diff --git a/Dockerfiles/proxy-mysql/alpine/docker-entrypoint.sh b/Dockerfiles/proxy-mysql/alpine/docker-entrypoint.sh
index 290da63d2..2e4f6c926 100755
--- a/Dockerfiles/proxy-mysql/alpine/docker-entrypoint.sh
+++ b/Dockerfiles/proxy-mysql/alpine/docker-entrypoint.sh
@@ -142,8 +142,11 @@ update_config_multiple_var() {
 
 # Check prerequisites for MySQL database
 check_variables_mysql() {
-    : ${DB_SERVER_HOST:="mysql-server"}
-    : ${DB_SERVER_PORT:="3306"}
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        : ${DB_SERVER_HOST:="mysql-server"}
+        : ${DB_SERVER_PORT:="3306"}
+    fi
+
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
     file_env MYSQL_USER
@@ -177,6 +180,12 @@ check_variables_mysql() {
     DB_SERVER_ZBX_PASS=${MYSQL_PASSWORD:-"zabbix"}
 
     DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix_proxy"}
+
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        mysql_connect_args="-h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT}"
+    else
+        mysql_connect_args="-S ${DB_SERVER_SOCKET}"
+    fi
 }
 
 db_tls_params() {
@@ -207,8 +216,12 @@ db_tls_params() {
 
 check_db_connect_mysql() {
     echo "********************"
-    echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
-    echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
+        echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    else
+        echo "* DB_SERVER_SOCKET: ${DB_SERVER_SOCKET}"
+    fi
     echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
     if [ "${DEBUG_MODE,,}" == "true" ]; then
         if [ "${USE_DB_ROOT_USER}" == "true" ]; then
@@ -226,7 +239,7 @@ check_db_connect_mysql() {
 
     export MYSQL_PWD="${DB_SERVER_ROOT_PASS}"
 
-    while [ ! "$(mysqladmin ping -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} -u ${DB_SERVER_ROOT_USER} \
+    while [ ! "$(mysqladmin ping $mysql_connect_args -u ${DB_SERVER_ROOT_USER} \
                 --silent --connect_timeout=10 $ssl_opts)" ]; do
         echo "**** MySQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
         sleep $WAIT_TIMEOUT
@@ -243,7 +256,7 @@ mysql_query() {
 
     export MYSQL_PWD="${DB_SERVER_ROOT_PASS}"
 
-    result=$(mysql --silent --skip-column-names -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} \
+    result=$(mysql --silent --skip-column-names $mysql_connect_args \
              -u ${DB_SERVER_ROOT_USER} -e "$query" $ssl_opts)
 
     unset MYSQL_PWD
@@ -266,7 +279,7 @@ exec_sql_file() {
 
     $command "$sql_script" | mysql --silent --skip-column-names \
             --default-character-set=${DB_CHARACTER_SET} \
-            -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} \
+            $mysql_connect_args \
             -u ${DB_SERVER_ROOT_USER} $ssl_opts  \
             ${DB_SERVER_DBNAME} 1>/dev/null
 
@@ -356,10 +369,16 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "EnableRemoteCommands" "${ZBX_ENABLEREMOTECOMMANDS}"
     update_config_var $ZBX_CONFIG "LogRemoteCommands" "${ZBX_LOGREMOTECOMMANDS}"
 
-    update_config_var $ZBX_CONFIG "DBHost" "${DB_SERVER_HOST}"
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        update_config_var $ZBX_CONFIG "DBHost" "${DB_SERVER_HOST}"
+        update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
+    else
+        update_config_var $ZBX_CONFIG "DBHost"
+        update_config_var $ZBX_CONFIG "DBPort"
+    fi
+    update_config_var $ZBX_CONFIG "DBSocket" "${DB_SERVER_SOCKET}"
     update_config_var $ZBX_CONFIG "DBName" "${DB_SERVER_DBNAME}"
     update_config_var $ZBX_CONFIG "DBSchema" "${DB_SERVER_SCHEMA}"
-    update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
 
     if [ -n "${VAULT_TOKEN}" ] && [ -n "${ZBX_VAULTURL}" ]; then
         update_config_var $ZBX_CONFIG "VaultDBPath" "${ZBX_VAULTDBPATH}"
@@ -375,8 +394,6 @@ update_zbx_config() {
 
     update_config_var $ZBX_CONFIG "AllowUnsupportedDBVersions" "${ZBX_ALLOWUNSUPPORTEDDBVERSIONS}"
 
-    update_config_var $ZBX_CONFIG "DBSocket" "${DB_SERVER_SOCKET}"
-
     update_config_var $ZBX_CONFIG "ProxyLocalBuffer" "${ZBX_PROXYLOCALBUFFER}"
     update_config_var $ZBX_CONFIG "ProxyOfflineBuffer" "${ZBX_PROXYOFFLINEBUFFER}"
     update_config_var $ZBX_CONFIG "HeartbeatFrequency" "${ZBX_PROXYHEARTBEATFREQUENCY}"
diff --git a/Dockerfiles/proxy-mysql/centos/docker-entrypoint.sh b/Dockerfiles/proxy-mysql/centos/docker-entrypoint.sh
index 4a699cf64..f37bc34d4 100755
--- a/Dockerfiles/proxy-mysql/centos/docker-entrypoint.sh
+++ b/Dockerfiles/proxy-mysql/centos/docker-entrypoint.sh
@@ -142,8 +142,11 @@ update_config_multiple_var() {
 
 # Check prerequisites for MySQL database
 check_variables_mysql() {
-    : ${DB_SERVER_HOST:="mysql-server"}
-    : ${DB_SERVER_PORT:="3306"}
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        : ${DB_SERVER_HOST:="mysql-server"}
+        : ${DB_SERVER_PORT:="3306"}
+    fi
+
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
     file_env MYSQL_USER
@@ -177,6 +180,12 @@ check_variables_mysql() {
     DB_SERVER_ZBX_PASS=${MYSQL_PASSWORD:-"zabbix"}
 
     DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix_proxy"}
+
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        mysql_connect_args="-h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT}"
+    else
+        mysql_connect_args="-S ${DB_SERVER_SOCKET}"
+    fi
 }
 
 db_tls_params() {
@@ -204,8 +213,12 @@ db_tls_params() {
 
 check_db_connect_mysql() {
     echo "********************"
-    echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
-    echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
+        echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    else
+        echo "* DB_SERVER_SOCKET: ${DB_SERVER_SOCKET}"
+    fi
     echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
     if [ "${DEBUG_MODE,,}" == "true" ]; then
         if [ "${USE_DB_ROOT_USER}" == "true" ]; then
@@ -223,7 +236,7 @@ check_db_connect_mysql() {
 
     export MYSQL_PWD="${DB_SERVER_ROOT_PASS}"
 
-    while [ ! "$(mysqladmin ping -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} -u ${DB_SERVER_ROOT_USER} \
+    while [ ! "$(mysqladmin ping $mysql_connect_args -u ${DB_SERVER_ROOT_USER} \
                 --silent --connect_timeout=10 $ssl_opts)" ]; do
         echo "**** MySQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
         sleep $WAIT_TIMEOUT
@@ -240,7 +253,7 @@ mysql_query() {
 
     export MYSQL_PWD="${DB_SERVER_ROOT_PASS}"
 
-    result=$(mysql --silent --skip-column-names -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} \
+    result=$(mysql --silent --skip-column-names $mysql_connect_args \
              -u ${DB_SERVER_ROOT_USER} -e "$query" $ssl_opts)
 
     unset MYSQL_PWD
@@ -263,7 +276,7 @@ exec_sql_file() {
 
     $command "$sql_script" | mysql --silent --skip-column-names \
             --default-character-set=${DB_CHARACTER_SET} \
-            -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} \
+            $mysql_connect_args \
             -u ${DB_SERVER_ROOT_USER} $ssl_opts  \
             ${DB_SERVER_DBNAME} 1>/dev/null
 
@@ -353,10 +366,16 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "EnableRemoteCommands" "${ZBX_ENABLEREMOTECOMMANDS}"
     update_config_var $ZBX_CONFIG "LogRemoteCommands" "${ZBX_LOGREMOTECOMMANDS}"
 
-    update_config_var $ZBX_CONFIG "DBHost" "${DB_SERVER_HOST}"
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        update_config_var $ZBX_CONFIG "DBHost" "${DB_SERVER_HOST}"
+        update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
+    else
+        update_config_var $ZBX_CONFIG "DBHost"
+        update_config_var $ZBX_CONFIG "DBPort"
+    fi
+    update_config_var $ZBX_CONFIG "DBSocket" "${DB_SERVER_SOCKET}"
     update_config_var $ZBX_CONFIG "DBName" "${DB_SERVER_DBNAME}"
     update_config_var $ZBX_CONFIG "DBSchema" "${DB_SERVER_SCHEMA}"
-    update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
 
     if [ -n "${VAULT_TOKEN}" ] && [ -n "${ZBX_VAULTURL}" ]; then
         update_config_var $ZBX_CONFIG "VaultDBPath" "${ZBX_VAULTDBPATH}"
@@ -372,8 +391,6 @@ update_zbx_config() {
 
     update_config_var $ZBX_CONFIG "AllowUnsupportedDBVersions" "${ZBX_ALLOWUNSUPPORTEDDBVERSIONS}"
 
-    update_config_var $ZBX_CONFIG "DBSocket" "${DB_SERVER_SOCKET}"
-
     update_config_var $ZBX_CONFIG "ProxyLocalBuffer" "${ZBX_PROXYLOCALBUFFER}"
     update_config_var $ZBX_CONFIG "ProxyOfflineBuffer" "${ZBX_PROXYOFFLINEBUFFER}"
     update_config_var $ZBX_CONFIG "HeartbeatFrequency" "${ZBX_PROXYHEARTBEATFREQUENCY}"
diff --git a/Dockerfiles/proxy-mysql/ol/docker-entrypoint.sh b/Dockerfiles/proxy-mysql/ol/docker-entrypoint.sh
index 4a699cf64..f37bc34d4 100755
--- a/Dockerfiles/proxy-mysql/ol/docker-entrypoint.sh
+++ b/Dockerfiles/proxy-mysql/ol/docker-entrypoint.sh
@@ -142,8 +142,11 @@ update_config_multiple_var() {
 
 # Check prerequisites for MySQL database
 check_variables_mysql() {
-    : ${DB_SERVER_HOST:="mysql-server"}
-    : ${DB_SERVER_PORT:="3306"}
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        : ${DB_SERVER_HOST:="mysql-server"}
+        : ${DB_SERVER_PORT:="3306"}
+    fi
+
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
     file_env MYSQL_USER
@@ -177,6 +180,12 @@ check_variables_mysql() {
     DB_SERVER_ZBX_PASS=${MYSQL_PASSWORD:-"zabbix"}
 
     DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix_proxy"}
+
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        mysql_connect_args="-h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT}"
+    else
+        mysql_connect_args="-S ${DB_SERVER_SOCKET}"
+    fi
 }
 
 db_tls_params() {
@@ -204,8 +213,12 @@ db_tls_params() {
 
 check_db_connect_mysql() {
     echo "********************"
-    echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
-    echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
+        echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    else
+        echo "* DB_SERVER_SOCKET: ${DB_SERVER_SOCKET}"
+    fi
     echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
     if [ "${DEBUG_MODE,,}" == "true" ]; then
         if [ "${USE_DB_ROOT_USER}" == "true" ]; then
@@ -223,7 +236,7 @@ check_db_connect_mysql() {
 
     export MYSQL_PWD="${DB_SERVER_ROOT_PASS}"
 
-    while [ ! "$(mysqladmin ping -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} -u ${DB_SERVER_ROOT_USER} \
+    while [ ! "$(mysqladmin ping $mysql_connect_args -u ${DB_SERVER_ROOT_USER} \
                 --silent --connect_timeout=10 $ssl_opts)" ]; do
         echo "**** MySQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
         sleep $WAIT_TIMEOUT
@@ -240,7 +253,7 @@ mysql_query() {
 
     export MYSQL_PWD="${DB_SERVER_ROOT_PASS}"
 
-    result=$(mysql --silent --skip-column-names -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} \
+    result=$(mysql --silent --skip-column-names $mysql_connect_args \
              -u ${DB_SERVER_ROOT_USER} -e "$query" $ssl_opts)
 
     unset MYSQL_PWD
@@ -263,7 +276,7 @@ exec_sql_file() {
 
     $command "$sql_script" | mysql --silent --skip-column-names \
             --default-character-set=${DB_CHARACTER_SET} \
-            -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} \
+            $mysql_connect_args \
             -u ${DB_SERVER_ROOT_USER} $ssl_opts  \
             ${DB_SERVER_DBNAME} 1>/dev/null
 
@@ -353,10 +366,16 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "EnableRemoteCommands" "${ZBX_ENABLEREMOTECOMMANDS}"
     update_config_var $ZBX_CONFIG "LogRemoteCommands" "${ZBX_LOGREMOTECOMMANDS}"
 
-    update_config_var $ZBX_CONFIG "DBHost" "${DB_SERVER_HOST}"
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        update_config_var $ZBX_CONFIG "DBHost" "${DB_SERVER_HOST}"
+        update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
+    else
+        update_config_var $ZBX_CONFIG "DBHost"
+        update_config_var $ZBX_CONFIG "DBPort"
+    fi
+    update_config_var $ZBX_CONFIG "DBSocket" "${DB_SERVER_SOCKET}"
     update_config_var $ZBX_CONFIG "DBName" "${DB_SERVER_DBNAME}"
     update_config_var $ZBX_CONFIG "DBSchema" "${DB_SERVER_SCHEMA}"
-    update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
 
     if [ -n "${VAULT_TOKEN}" ] && [ -n "${ZBX_VAULTURL}" ]; then
         update_config_var $ZBX_CONFIG "VaultDBPath" "${ZBX_VAULTDBPATH}"
@@ -372,8 +391,6 @@ update_zbx_config() {
 
     update_config_var $ZBX_CONFIG "AllowUnsupportedDBVersions" "${ZBX_ALLOWUNSUPPORTEDDBVERSIONS}"
 
-    update_config_var $ZBX_CONFIG "DBSocket" "${DB_SERVER_SOCKET}"
-
     update_config_var $ZBX_CONFIG "ProxyLocalBuffer" "${ZBX_PROXYLOCALBUFFER}"
     update_config_var $ZBX_CONFIG "ProxyOfflineBuffer" "${ZBX_PROXYOFFLINEBUFFER}"
     update_config_var $ZBX_CONFIG "HeartbeatFrequency" "${ZBX_PROXYHEARTBEATFREQUENCY}"
diff --git a/Dockerfiles/proxy-mysql/rhel/docker-entrypoint.sh b/Dockerfiles/proxy-mysql/rhel/docker-entrypoint.sh
index 4a699cf64..f37bc34d4 100755
--- a/Dockerfiles/proxy-mysql/rhel/docker-entrypoint.sh
+++ b/Dockerfiles/proxy-mysql/rhel/docker-entrypoint.sh
@@ -142,8 +142,11 @@ update_config_multiple_var() {
 
 # Check prerequisites for MySQL database
 check_variables_mysql() {
-    : ${DB_SERVER_HOST:="mysql-server"}
-    : ${DB_SERVER_PORT:="3306"}
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        : ${DB_SERVER_HOST:="mysql-server"}
+        : ${DB_SERVER_PORT:="3306"}
+    fi
+
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
     file_env MYSQL_USER
@@ -177,6 +180,12 @@ check_variables_mysql() {
     DB_SERVER_ZBX_PASS=${MYSQL_PASSWORD:-"zabbix"}
 
     DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix_proxy"}
+
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        mysql_connect_args="-h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT}"
+    else
+        mysql_connect_args="-S ${DB_SERVER_SOCKET}"
+    fi
 }
 
 db_tls_params() {
@@ -204,8 +213,12 @@ db_tls_params() {
 
 check_db_connect_mysql() {
     echo "********************"
-    echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
-    echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
+        echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    else
+        echo "* DB_SERVER_SOCKET: ${DB_SERVER_SOCKET}"
+    fi
     echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
     if [ "${DEBUG_MODE,,}" == "true" ]; then
         if [ "${USE_DB_ROOT_USER}" == "true" ]; then
@@ -223,7 +236,7 @@ check_db_connect_mysql() {
 
     export MYSQL_PWD="${DB_SERVER_ROOT_PASS}"
 
-    while [ ! "$(mysqladmin ping -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} -u ${DB_SERVER_ROOT_USER} \
+    while [ ! "$(mysqladmin ping $mysql_connect_args -u ${DB_SERVER_ROOT_USER} \
                 --silent --connect_timeout=10 $ssl_opts)" ]; do
         echo "**** MySQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
         sleep $WAIT_TIMEOUT
@@ -240,7 +253,7 @@ mysql_query() {
 
     export MYSQL_PWD="${DB_SERVER_ROOT_PASS}"
 
-    result=$(mysql --silent --skip-column-names -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} \
+    result=$(mysql --silent --skip-column-names $mysql_connect_args \
              -u ${DB_SERVER_ROOT_USER} -e "$query" $ssl_opts)
 
     unset MYSQL_PWD
@@ -263,7 +276,7 @@ exec_sql_file() {
 
     $command "$sql_script" | mysql --silent --skip-column-names \
             --default-character-set=${DB_CHARACTER_SET} \
-            -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} \
+            $mysql_connect_args \
             -u ${DB_SERVER_ROOT_USER} $ssl_opts  \
             ${DB_SERVER_DBNAME} 1>/dev/null
 
@@ -353,10 +366,16 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "EnableRemoteCommands" "${ZBX_ENABLEREMOTECOMMANDS}"
     update_config_var $ZBX_CONFIG "LogRemoteCommands" "${ZBX_LOGREMOTECOMMANDS}"
 
-    update_config_var $ZBX_CONFIG "DBHost" "${DB_SERVER_HOST}"
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        update_config_var $ZBX_CONFIG "DBHost" "${DB_SERVER_HOST}"
+        update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
+    else
+        update_config_var $ZBX_CONFIG "DBHost"
+        update_config_var $ZBX_CONFIG "DBPort"
+    fi
+    update_config_var $ZBX_CONFIG "DBSocket" "${DB_SERVER_SOCKET}"
     update_config_var $ZBX_CONFIG "DBName" "${DB_SERVER_DBNAME}"
     update_config_var $ZBX_CONFIG "DBSchema" "${DB_SERVER_SCHEMA}"
-    update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
 
     if [ -n "${VAULT_TOKEN}" ] && [ -n "${ZBX_VAULTURL}" ]; then
         update_config_var $ZBX_CONFIG "VaultDBPath" "${ZBX_VAULTDBPATH}"
@@ -372,8 +391,6 @@ update_zbx_config() {
 
     update_config_var $ZBX_CONFIG "AllowUnsupportedDBVersions" "${ZBX_ALLOWUNSUPPORTEDDBVERSIONS}"
 
-    update_config_var $ZBX_CONFIG "DBSocket" "${DB_SERVER_SOCKET}"
-
     update_config_var $ZBX_CONFIG "ProxyLocalBuffer" "${ZBX_PROXYLOCALBUFFER}"
     update_config_var $ZBX_CONFIG "ProxyOfflineBuffer" "${ZBX_PROXYOFFLINEBUFFER}"
     update_config_var $ZBX_CONFIG "HeartbeatFrequency" "${ZBX_PROXYHEARTBEATFREQUENCY}"
diff --git a/Dockerfiles/proxy-mysql/ubuntu/docker-entrypoint.sh b/Dockerfiles/proxy-mysql/ubuntu/docker-entrypoint.sh
index 4314c91fb..10bbf9416 100755
--- a/Dockerfiles/proxy-mysql/ubuntu/docker-entrypoint.sh
+++ b/Dockerfiles/proxy-mysql/ubuntu/docker-entrypoint.sh
@@ -142,8 +142,11 @@ update_config_multiple_var() {
 
 # Check prerequisites for MySQL database
 check_variables_mysql() {
-    : ${DB_SERVER_HOST:="mysql-server"}
-    : ${DB_SERVER_PORT:="3306"}
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        : ${DB_SERVER_HOST:="mysql-server"}
+        : ${DB_SERVER_PORT:="3306"}
+    fi
+
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
     file_env MYSQL_USER
@@ -177,6 +180,12 @@ check_variables_mysql() {
     DB_SERVER_ZBX_PASS=${MYSQL_PASSWORD:-"zabbix"}
 
     DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix_proxy"}
+
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        mysql_connect_args="-h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT}"
+    else
+        mysql_connect_args="-S ${DB_SERVER_SOCKET}"
+    fi
 }
 
 db_tls_params() {
@@ -204,8 +213,12 @@ db_tls_params() {
 
 check_db_connect_mysql() {
     echo "********************"
-    echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
-    echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
+        echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    else
+        echo "* DB_SERVER_SOCKET: ${DB_SERVER_SOCKET}"
+    fi
     echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
     if [ "${DEBUG_MODE,,}" == "true" ]; then
         if [ "${USE_DB_ROOT_USER}" == "true" ]; then
@@ -223,7 +236,7 @@ check_db_connect_mysql() {
 
     export MYSQL_PWD="${DB_SERVER_ROOT_PASS}"
 
-    while [ ! "$(mysqladmin ping -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} -u ${DB_SERVER_ROOT_USER} \
+    while [ ! "$(mysqladmin ping $mysql_connect_args -u ${DB_SERVER_ROOT_USER} \
                 --silent --connect_timeout=10 $ssl_opts)" ]; do
         echo "**** MySQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
         sleep $WAIT_TIMEOUT
@@ -240,7 +253,7 @@ mysql_query() {
 
     export MYSQL_PWD="${DB_SERVER_ROOT_PASS}"
 
-    result=$(mysql --silent --skip-column-names -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} \
+    result=$(mysql --silent --skip-column-names $mysql_connect_args \
              -u ${DB_SERVER_ROOT_USER} -e "$query" $ssl_opts)
 
     unset MYSQL_PWD
@@ -263,7 +276,7 @@ exec_sql_file() {
 
     $command "$sql_script" | mysql --silent --skip-column-names \
             --default-character-set=${DB_CHARACTER_SET} \
-            -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} \
+            $mysql_connect_args \
             -u ${DB_SERVER_ROOT_USER} $ssl_opts  \
             ${DB_SERVER_DBNAME} 1>/dev/null
 
@@ -353,10 +366,16 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "EnableRemoteCommands" "${ZBX_ENABLEREMOTECOMMANDS}"
     update_config_var $ZBX_CONFIG "LogRemoteCommands" "${ZBX_LOGREMOTECOMMANDS}"
 
-    update_config_var $ZBX_CONFIG "DBHost" "${DB_SERVER_HOST}"
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        update_config_var $ZBX_CONFIG "DBHost" "${DB_SERVER_HOST}"
+        update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
+    else
+        update_config_var $ZBX_CONFIG "DBHost"
+        update_config_var $ZBX_CONFIG "DBPort"
+    fi
+    update_config_var $ZBX_CONFIG "DBSocket" "${DB_SERVER_SOCKET}"
     update_config_var $ZBX_CONFIG "DBName" "${DB_SERVER_DBNAME}"
     update_config_var $ZBX_CONFIG "DBSchema" "${DB_SERVER_SCHEMA}"
-    update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
 
     if [ -n "${VAULT_TOKEN}" ] && [ -n "${ZBX_VAULTURL}" ]; then
         update_config_var $ZBX_CONFIG "VaultDBPath" "${ZBX_VAULTDBPATH}"
@@ -372,8 +391,6 @@ update_zbx_config() {
 
     update_config_var $ZBX_CONFIG "AllowUnsupportedDBVersions" "${ZBX_ALLOWUNSUPPORTEDDBVERSIONS}"
 
-    update_config_var $ZBX_CONFIG "DBSocket" "${DB_SERVER_SOCKET}"
-
     update_config_var $ZBX_CONFIG "ProxyLocalBuffer" "${ZBX_PROXYLOCALBUFFER}"
     update_config_var $ZBX_CONFIG "ProxyOfflineBuffer" "${ZBX_PROXYOFFLINEBUFFER}"
     update_config_var $ZBX_CONFIG "HeartbeatFrequency" "${ZBX_PROXYHEARTBEATFREQUENCY}"
diff --git a/Dockerfiles/server-mysql/alpine/docker-entrypoint.sh b/Dockerfiles/server-mysql/alpine/docker-entrypoint.sh
index b279e4bef..54cc209d5 100755
--- a/Dockerfiles/server-mysql/alpine/docker-entrypoint.sh
+++ b/Dockerfiles/server-mysql/alpine/docker-entrypoint.sh
@@ -139,8 +139,11 @@ update_config_multiple_var() {
 
 # Check prerequisites for MySQL database
 check_variables_mysql() {
-    : ${DB_SERVER_HOST:="mysql-server"}
-    : ${DB_SERVER_PORT:="3306"}
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        : ${DB_SERVER_HOST:="mysql-server"}
+        : ${DB_SERVER_PORT:="3306"}
+    fi
+
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
     file_env MYSQL_USER
@@ -174,6 +177,12 @@ check_variables_mysql() {
     DB_SERVER_ZBX_PASS=${MYSQL_PASSWORD:-"zabbix"}
 
     DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix"}
+
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        mysql_connect_args="-h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT}"
+    else
+        mysql_connect_args="-S ${DB_SERVER_SOCKET}"
+    fi
 }
 
 db_tls_params() {
@@ -204,8 +213,12 @@ db_tls_params() {
 
 check_db_connect_mysql() {
     echo "********************"
-    echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
-    echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
+        echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    else
+        echo "* DB_SERVER_SOCKET: ${DB_SERVER_SOCKET}"
+    fi
     echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
     if [ "${DEBUG_MODE,,}" == "true" ]; then
         if [ "${USE_DB_ROOT_USER}" == "true" ]; then
@@ -223,7 +236,7 @@ check_db_connect_mysql() {
 
     export MYSQL_PWD="${DB_SERVER_ROOT_PASS}"
 
-    while [ ! "$(mysqladmin ping -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} -u ${DB_SERVER_ROOT_USER} \
+    while [ ! "$(mysqladmin ping $mysql_connect_args -u ${DB_SERVER_ROOT_USER} \
                 --silent --connect_timeout=10 $ssl_opts)" ]; do
         echo "**** MySQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
         sleep $WAIT_TIMEOUT
@@ -240,7 +253,7 @@ mysql_query() {
 
     export MYSQL_PWD="${DB_SERVER_ROOT_PASS}"
 
-    result=$(mysql --silent --skip-column-names -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} \
+    result=$(mysql --silent --skip-column-names $mysql_connect_args \
              -u ${DB_SERVER_ROOT_USER} -e "$query" $ssl_opts)
 
     unset MYSQL_PWD
@@ -263,7 +276,7 @@ exec_sql_file() {
 
     $command "$sql_script" | mysql --silent --skip-column-names \
             --default-character-set=${DB_CHARACTER_SET} \
-            -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} \
+            $mysql_connect_args \
             -u ${DB_SERVER_ROOT_USER} $ssl_opts  \
             ${DB_SERVER_DBNAME} 1>/dev/null
 
@@ -354,10 +367,16 @@ update_zbx_config() {
         update_config_var $ZBX_CONFIG "DBTLSCipher13" "${ZBX_DBTLSCIPHER13}"
     fi
 
-    update_config_var $ZBX_CONFIG "DBHost" "${DB_SERVER_HOST}"
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        update_config_var $ZBX_CONFIG "DBHost" "${DB_SERVER_HOST}"
+        update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
+    else
+        update_config_var $ZBX_CONFIG "DBHost"
+        update_config_var $ZBX_CONFIG "DBPort"
+    fi
+    update_config_var $ZBX_CONFIG "DBSocket" "${DB_SERVER_SOCKET}"
     update_config_var $ZBX_CONFIG "DBName" "${DB_SERVER_DBNAME}"
     update_config_var $ZBX_CONFIG "DBSchema" "${DB_SERVER_SCHEMA}"
-    update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
 
     if [ -n "${VAULT_TOKEN}" ] && [ -n "${ZBX_VAULTURL}" ]; then
         update_config_var $ZBX_CONFIG "VaultDBPath" "${ZBX_VAULTDBPATH}"
@@ -381,8 +400,6 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "HistoryStorageTypes" "${ZBX_HISTORYSTORAGETYPES}"
     update_config_var $ZBX_CONFIG "HistoryStorageDateIndex" "${ZBX_HISTORYSTORAGEDATEINDEX}"
 
-    update_config_var $ZBX_CONFIG "DBSocket" "${DB_SERVER_SOCKET}"
-
     update_config_var $ZBX_CONFIG "StatsAllowedIP" "${ZBX_STATSALLOWEDIP}"
 
     update_config_var $ZBX_CONFIG "StartPollers" "${ZBX_STARTPOLLERS}"
diff --git a/Dockerfiles/server-mysql/centos/docker-entrypoint.sh b/Dockerfiles/server-mysql/centos/docker-entrypoint.sh
index 4bec83e64..42cd65839 100755
--- a/Dockerfiles/server-mysql/centos/docker-entrypoint.sh
+++ b/Dockerfiles/server-mysql/centos/docker-entrypoint.sh
@@ -139,8 +139,11 @@ update_config_multiple_var() {
 
 # Check prerequisites for MySQL database
 check_variables_mysql() {
-    : ${DB_SERVER_HOST:="mysql-server"}
-    : ${DB_SERVER_PORT:="3306"}
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        : ${DB_SERVER_HOST:="mysql-server"}
+        : ${DB_SERVER_PORT:="3306"}
+    fi
+
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
     file_env MYSQL_USER
@@ -174,6 +177,12 @@ check_variables_mysql() {
     DB_SERVER_ZBX_PASS=${MYSQL_PASSWORD:-"zabbix"}
 
     DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix"}
+
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        mysql_connect_args="-h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT}"
+    else
+        mysql_connect_args="-S ${DB_SERVER_SOCKET}"
+    fi
 }
 
 db_tls_params() {
@@ -201,8 +210,12 @@ db_tls_params() {
 
 check_db_connect_mysql() {
     echo "********************"
-    echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
-    echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
+        echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    else
+        echo "* DB_SERVER_SOCKET: ${DB_SERVER_SOCKET}"
+    fi
     echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
     if [ "${DEBUG_MODE,,}" == "true" ]; then
         if [ "${USE_DB_ROOT_USER}" == "true" ]; then
@@ -220,7 +233,7 @@ check_db_connect_mysql() {
 
     export MYSQL_PWD="${DB_SERVER_ROOT_PASS}"
 
-    while [ ! "$(mysqladmin ping -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} -u ${DB_SERVER_ROOT_USER} \
+    while [ ! "$(mysqladmin ping $mysql_connect_args -u ${DB_SERVER_ROOT_USER} \
                 --silent --connect_timeout=10 $ssl_opts)" ]; do
         echo "**** MySQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
         sleep $WAIT_TIMEOUT
@@ -237,7 +250,7 @@ mysql_query() {
 
     export MYSQL_PWD="${DB_SERVER_ROOT_PASS}"
 
-    result=$(mysql --silent --skip-column-names -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} \
+    result=$(mysql --silent --skip-column-names $mysql_connect_args \
              -u ${DB_SERVER_ROOT_USER} -e "$query" $ssl_opts)
 
     unset MYSQL_PWD
@@ -260,7 +273,7 @@ exec_sql_file() {
 
     $command "$sql_script" | mysql --silent --skip-column-names \
             --default-character-set=${DB_CHARACTER_SET} \
-            -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} \
+            $mysql_connect_args \
             -u ${DB_SERVER_ROOT_USER} $ssl_opts  \
             ${DB_SERVER_DBNAME} 1>/dev/null
 
@@ -351,10 +364,16 @@ update_zbx_config() {
         update_config_var $ZBX_CONFIG "DBTLSCipher13" "${ZBX_DBTLSCIPHER13}"
     fi
 
-    update_config_var $ZBX_CONFIG "DBHost" "${DB_SERVER_HOST}"
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        update_config_var $ZBX_CONFIG "DBHost" "${DB_SERVER_HOST}"
+        update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
+    else
+        update_config_var $ZBX_CONFIG "DBHost"
+        update_config_var $ZBX_CONFIG "DBPort"
+    fi
+    update_config_var $ZBX_CONFIG "DBSocket" "${DB_SERVER_SOCKET}"
     update_config_var $ZBX_CONFIG "DBName" "${DB_SERVER_DBNAME}"
     update_config_var $ZBX_CONFIG "DBSchema" "${DB_SERVER_SCHEMA}"
-    update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
 
     if [ -n "${VAULT_TOKEN}" ] && [ -n "${ZBX_VAULTURL}" ]; then
         update_config_var $ZBX_CONFIG "VaultDBPath" "${ZBX_VAULTDBPATH}"
@@ -378,8 +397,6 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "HistoryStorageTypes" "${ZBX_HISTORYSTORAGETYPES}"
     update_config_var $ZBX_CONFIG "HistoryStorageDateIndex" "${ZBX_HISTORYSTORAGEDATEINDEX}"
 
-    update_config_var $ZBX_CONFIG "DBSocket" "${DB_SERVER_SOCKET}"
-
     update_config_var $ZBX_CONFIG "StatsAllowedIP" "${ZBX_STATSALLOWEDIP}"
 
     update_config_var $ZBX_CONFIG "StartPollers" "${ZBX_STARTPOLLERS}"
diff --git a/Dockerfiles/server-mysql/ol/docker-entrypoint.sh b/Dockerfiles/server-mysql/ol/docker-entrypoint.sh
index 4bec83e64..42cd65839 100755
--- a/Dockerfiles/server-mysql/ol/docker-entrypoint.sh
+++ b/Dockerfiles/server-mysql/ol/docker-entrypoint.sh
@@ -139,8 +139,11 @@ update_config_multiple_var() {
 
 # Check prerequisites for MySQL database
 check_variables_mysql() {
-    : ${DB_SERVER_HOST:="mysql-server"}
-    : ${DB_SERVER_PORT:="3306"}
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        : ${DB_SERVER_HOST:="mysql-server"}
+        : ${DB_SERVER_PORT:="3306"}
+    fi
+
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
     file_env MYSQL_USER
@@ -174,6 +177,12 @@ check_variables_mysql() {
     DB_SERVER_ZBX_PASS=${MYSQL_PASSWORD:-"zabbix"}
 
     DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix"}
+
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        mysql_connect_args="-h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT}"
+    else
+        mysql_connect_args="-S ${DB_SERVER_SOCKET}"
+    fi
 }
 
 db_tls_params() {
@@ -201,8 +210,12 @@ db_tls_params() {
 
 check_db_connect_mysql() {
     echo "********************"
-    echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
-    echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
+        echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    else
+        echo "* DB_SERVER_SOCKET: ${DB_SERVER_SOCKET}"
+    fi
     echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
     if [ "${DEBUG_MODE,,}" == "true" ]; then
         if [ "${USE_DB_ROOT_USER}" == "true" ]; then
@@ -220,7 +233,7 @@ check_db_connect_mysql() {
 
     export MYSQL_PWD="${DB_SERVER_ROOT_PASS}"
 
-    while [ ! "$(mysqladmin ping -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} -u ${DB_SERVER_ROOT_USER} \
+    while [ ! "$(mysqladmin ping $mysql_connect_args -u ${DB_SERVER_ROOT_USER} \
                 --silent --connect_timeout=10 $ssl_opts)" ]; do
         echo "**** MySQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
         sleep $WAIT_TIMEOUT
@@ -237,7 +250,7 @@ mysql_query() {
 
     export MYSQL_PWD="${DB_SERVER_ROOT_PASS}"
 
-    result=$(mysql --silent --skip-column-names -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} \
+    result=$(mysql --silent --skip-column-names $mysql_connect_args \
              -u ${DB_SERVER_ROOT_USER} -e "$query" $ssl_opts)
 
     unset MYSQL_PWD
@@ -260,7 +273,7 @@ exec_sql_file() {
 
     $command "$sql_script" | mysql --silent --skip-column-names \
             --default-character-set=${DB_CHARACTER_SET} \
-            -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} \
+            $mysql_connect_args \
             -u ${DB_SERVER_ROOT_USER} $ssl_opts  \
             ${DB_SERVER_DBNAME} 1>/dev/null
 
@@ -351,10 +364,16 @@ update_zbx_config() {
         update_config_var $ZBX_CONFIG "DBTLSCipher13" "${ZBX_DBTLSCIPHER13}"
     fi
 
-    update_config_var $ZBX_CONFIG "DBHost" "${DB_SERVER_HOST}"
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        update_config_var $ZBX_CONFIG "DBHost" "${DB_SERVER_HOST}"
+        update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
+    else
+        update_config_var $ZBX_CONFIG "DBHost"
+        update_config_var $ZBX_CONFIG "DBPort"
+    fi
+    update_config_var $ZBX_CONFIG "DBSocket" "${DB_SERVER_SOCKET}"
     update_config_var $ZBX_CONFIG "DBName" "${DB_SERVER_DBNAME}"
     update_config_var $ZBX_CONFIG "DBSchema" "${DB_SERVER_SCHEMA}"
-    update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
 
     if [ -n "${VAULT_TOKEN}" ] && [ -n "${ZBX_VAULTURL}" ]; then
         update_config_var $ZBX_CONFIG "VaultDBPath" "${ZBX_VAULTDBPATH}"
@@ -378,8 +397,6 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "HistoryStorageTypes" "${ZBX_HISTORYSTORAGETYPES}"
     update_config_var $ZBX_CONFIG "HistoryStorageDateIndex" "${ZBX_HISTORYSTORAGEDATEINDEX}"
 
-    update_config_var $ZBX_CONFIG "DBSocket" "${DB_SERVER_SOCKET}"
-
     update_config_var $ZBX_CONFIG "StatsAllowedIP" "${ZBX_STATSALLOWEDIP}"
 
     update_config_var $ZBX_CONFIG "StartPollers" "${ZBX_STARTPOLLERS}"
diff --git a/Dockerfiles/server-mysql/rhel/docker-entrypoint.sh b/Dockerfiles/server-mysql/rhel/docker-entrypoint.sh
index 4bec83e64..42cd65839 100755
--- a/Dockerfiles/server-mysql/rhel/docker-entrypoint.sh
+++ b/Dockerfiles/server-mysql/rhel/docker-entrypoint.sh
@@ -139,8 +139,11 @@ update_config_multiple_var() {
 
 # Check prerequisites for MySQL database
 check_variables_mysql() {
-    : ${DB_SERVER_HOST:="mysql-server"}
-    : ${DB_SERVER_PORT:="3306"}
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        : ${DB_SERVER_HOST:="mysql-server"}
+        : ${DB_SERVER_PORT:="3306"}
+    fi
+
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
     file_env MYSQL_USER
@@ -174,6 +177,12 @@ check_variables_mysql() {
     DB_SERVER_ZBX_PASS=${MYSQL_PASSWORD:-"zabbix"}
 
     DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix"}
+
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        mysql_connect_args="-h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT}"
+    else
+        mysql_connect_args="-S ${DB_SERVER_SOCKET}"
+    fi
 }
 
 db_tls_params() {
@@ -201,8 +210,12 @@ db_tls_params() {
 
 check_db_connect_mysql() {
     echo "********************"
-    echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
-    echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
+        echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    else
+        echo "* DB_SERVER_SOCKET: ${DB_SERVER_SOCKET}"
+    fi
     echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
     if [ "${DEBUG_MODE,,}" == "true" ]; then
         if [ "${USE_DB_ROOT_USER}" == "true" ]; then
@@ -220,7 +233,7 @@ check_db_connect_mysql() {
 
     export MYSQL_PWD="${DB_SERVER_ROOT_PASS}"
 
-    while [ ! "$(mysqladmin ping -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} -u ${DB_SERVER_ROOT_USER} \
+    while [ ! "$(mysqladmin ping $mysql_connect_args -u ${DB_SERVER_ROOT_USER} \
                 --silent --connect_timeout=10 $ssl_opts)" ]; do
         echo "**** MySQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
         sleep $WAIT_TIMEOUT
@@ -237,7 +250,7 @@ mysql_query() {
 
     export MYSQL_PWD="${DB_SERVER_ROOT_PASS}"
 
-    result=$(mysql --silent --skip-column-names -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} \
+    result=$(mysql --silent --skip-column-names $mysql_connect_args \
              -u ${DB_SERVER_ROOT_USER} -e "$query" $ssl_opts)
 
     unset MYSQL_PWD
@@ -260,7 +273,7 @@ exec_sql_file() {
 
     $command "$sql_script" | mysql --silent --skip-column-names \
             --default-character-set=${DB_CHARACTER_SET} \
-            -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} \
+            $mysql_connect_args \
             -u ${DB_SERVER_ROOT_USER} $ssl_opts  \
             ${DB_SERVER_DBNAME} 1>/dev/null
 
@@ -351,10 +364,16 @@ update_zbx_config() {
         update_config_var $ZBX_CONFIG "DBTLSCipher13" "${ZBX_DBTLSCIPHER13}"
     fi
 
-    update_config_var $ZBX_CONFIG "DBHost" "${DB_SERVER_HOST}"
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        update_config_var $ZBX_CONFIG "DBHost" "${DB_SERVER_HOST}"
+        update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
+    else
+        update_config_var $ZBX_CONFIG "DBHost"
+        update_config_var $ZBX_CONFIG "DBPort"
+    fi
+    update_config_var $ZBX_CONFIG "DBSocket" "${DB_SERVER_SOCKET}"
     update_config_var $ZBX_CONFIG "DBName" "${DB_SERVER_DBNAME}"
     update_config_var $ZBX_CONFIG "DBSchema" "${DB_SERVER_SCHEMA}"
-    update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
 
     if [ -n "${VAULT_TOKEN}" ] && [ -n "${ZBX_VAULTURL}" ]; then
         update_config_var $ZBX_CONFIG "VaultDBPath" "${ZBX_VAULTDBPATH}"
@@ -378,8 +397,6 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "HistoryStorageTypes" "${ZBX_HISTORYSTORAGETYPES}"
     update_config_var $ZBX_CONFIG "HistoryStorageDateIndex" "${ZBX_HISTORYSTORAGEDATEINDEX}"
 
-    update_config_var $ZBX_CONFIG "DBSocket" "${DB_SERVER_SOCKET}"
-
     update_config_var $ZBX_CONFIG "StatsAllowedIP" "${ZBX_STATSALLOWEDIP}"
 
     update_config_var $ZBX_CONFIG "StartPollers" "${ZBX_STARTPOLLERS}"
diff --git a/Dockerfiles/server-mysql/ubuntu/docker-entrypoint.sh b/Dockerfiles/server-mysql/ubuntu/docker-entrypoint.sh
index ca83d8549..d1f93865c 100755
--- a/Dockerfiles/server-mysql/ubuntu/docker-entrypoint.sh
+++ b/Dockerfiles/server-mysql/ubuntu/docker-entrypoint.sh
@@ -139,8 +139,11 @@ update_config_multiple_var() {
 
 # Check prerequisites for MySQL database
 check_variables_mysql() {
-    : ${DB_SERVER_HOST:="mysql-server"}
-    : ${DB_SERVER_PORT:="3306"}
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        : ${DB_SERVER_HOST:="mysql-server"}
+        : ${DB_SERVER_PORT:="3306"}
+    fi
+
     USE_DB_ROOT_USER=false
     CREATE_ZBX_DB_USER=false
     file_env MYSQL_USER
@@ -174,6 +177,12 @@ check_variables_mysql() {
     DB_SERVER_ZBX_PASS=${MYSQL_PASSWORD:-"zabbix"}
 
     DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix"}
+
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        mysql_connect_args="-h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT}"
+    else
+        mysql_connect_args="-S ${DB_SERVER_SOCKET}"
+    fi
 }
 
 db_tls_params() {
@@ -201,8 +210,12 @@ db_tls_params() {
 
 check_db_connect_mysql() {
     echo "********************"
-    echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
-    echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
+        echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    else
+        echo "* DB_SERVER_SOCKET: ${DB_SERVER_SOCKET}"
+    fi
     echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
     if [ "${DEBUG_MODE,,}" == "true" ]; then
         if [ "${USE_DB_ROOT_USER}" == "true" ]; then
@@ -220,7 +233,7 @@ check_db_connect_mysql() {
 
     export MYSQL_PWD="${DB_SERVER_ROOT_PASS}"
 
-    while [ ! "$(mysqladmin ping -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} -u ${DB_SERVER_ROOT_USER} \
+    while [ ! "$(mysqladmin ping $mysql_connect_args -u ${DB_SERVER_ROOT_USER} \
                 --silent --connect_timeout=10 $ssl_opts)" ]; do
         echo "**** MySQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
         sleep $WAIT_TIMEOUT
@@ -237,7 +250,7 @@ mysql_query() {
 
     export MYSQL_PWD="${DB_SERVER_ROOT_PASS}"
 
-    result=$(mysql --silent --skip-column-names -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} \
+    result=$(mysql --silent --skip-column-names $mysql_connect_args \
              -u ${DB_SERVER_ROOT_USER} -e "$query" $ssl_opts)
 
     unset MYSQL_PWD
@@ -260,7 +273,7 @@ exec_sql_file() {
 
     $command "$sql_script" | mysql --silent --skip-column-names \
             --default-character-set=${DB_CHARACTER_SET} \
-            -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} \
+            $mysql_connect_args \
             -u ${DB_SERVER_ROOT_USER} $ssl_opts  \
             ${DB_SERVER_DBNAME} 1>/dev/null
 
@@ -351,10 +364,16 @@ update_zbx_config() {
         update_config_var $ZBX_CONFIG "DBTLSCipher13" "${ZBX_DBTLSCIPHER13}"
     fi
 
-    update_config_var $ZBX_CONFIG "DBHost" "${DB_SERVER_HOST}"
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        update_config_var $ZBX_CONFIG "DBHost" "${DB_SERVER_HOST}"
+        update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
+    else
+        update_config_var $ZBX_CONFIG "DBHost"
+        update_config_var $ZBX_CONFIG "DBPort"
+    fi
+    update_config_var $ZBX_CONFIG "DBSocket" "${DB_SERVER_SOCKET}"
     update_config_var $ZBX_CONFIG "DBName" "${DB_SERVER_DBNAME}"
     update_config_var $ZBX_CONFIG "DBSchema" "${DB_SERVER_SCHEMA}"
-    update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
 
     if [ -n "${VAULT_TOKEN}" ] && [ -n "${ZBX_VAULTURL}" ]; then
         update_config_var $ZBX_CONFIG "VaultDBPath" "${ZBX_VAULTDBPATH}"
@@ -378,8 +397,6 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "HistoryStorageTypes" "${ZBX_HISTORYSTORAGETYPES}"
     update_config_var $ZBX_CONFIG "HistoryStorageDateIndex" "${ZBX_HISTORYSTORAGEDATEINDEX}"
 
-    update_config_var $ZBX_CONFIG "DBSocket" "${DB_SERVER_SOCKET}"
-
     update_config_var $ZBX_CONFIG "StatsAllowedIP" "${ZBX_STATSALLOWEDIP}"
 
     update_config_var $ZBX_CONFIG "StartPollers" "${ZBX_STARTPOLLERS}"
diff --git a/Dockerfiles/web-apache-mysql/alpine/docker-entrypoint.sh b/Dockerfiles/web-apache-mysql/alpine/docker-entrypoint.sh
index b8dbd001b..0ce2a72e1 100755
--- a/Dockerfiles/web-apache-mysql/alpine/docker-entrypoint.sh
+++ b/Dockerfiles/web-apache-mysql/alpine/docker-entrypoint.sh
@@ -67,6 +67,12 @@ check_variables() {
     DB_SERVER_ZBX_PASS=${MYSQL_PASSWORD:-"zabbix"}
 
     DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix"}
+
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        mysql_connect_args="-h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT}"
+    else
+        mysql_connect_args="-S ${DB_SERVER_SOCKET}"
+    fi
 }
 
 db_tls_params() {
@@ -95,6 +101,9 @@ check_db_connect() {
     echo "********************"
     echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
     echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    if [ -n "${DB_SERVER_SOCKET}" ]; then
+        echo "* DB_SERVER_SOCKET: ${DB_SERVER_SOCKET}"
+    fi
     echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
     if [ "${DEBUG_MODE,,}" == "true" ]; then
         echo "* DB_SERVER_ZBX_USER: ${DB_SERVER_ZBX_USER}"
@@ -108,7 +117,7 @@ check_db_connect() {
 
     export MYSQL_PWD="${DB_SERVER_ZBX_PASS}"
 
-    while [ ! "$(mysqladmin ping -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} -u ${DB_SERVER_ZBX_USER} \
+    while [ ! "$(mysqladmin ping $mysql_connect_args -u ${DB_SERVER_ZBX_USER} \
                 --silent --connect_timeout=10 $ssl_opts)" ]; do
         echo "**** MySQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
         sleep $WAIT_TIMEOUT
diff --git a/Dockerfiles/web-apache-mysql/centos/docker-entrypoint.sh b/Dockerfiles/web-apache-mysql/centos/docker-entrypoint.sh
index fa0bc684e..976f208fa 100755
--- a/Dockerfiles/web-apache-mysql/centos/docker-entrypoint.sh
+++ b/Dockerfiles/web-apache-mysql/centos/docker-entrypoint.sh
@@ -67,6 +67,12 @@ check_variables() {
     DB_SERVER_ZBX_PASS=${MYSQL_PASSWORD:-"zabbix"}
 
     DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix"}
+
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        mysql_connect_args="-h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT}"
+    else
+        mysql_connect_args="-S ${DB_SERVER_SOCKET}"
+    fi
 }
 
 db_tls_params() {
@@ -95,6 +101,9 @@ check_db_connect() {
     echo "********************"
     echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
     echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    if [ -n "${DB_SERVER_SOCKET}" ]; then
+        echo "* DB_SERVER_SOCKET: ${DB_SERVER_SOCKET}"
+    fi
     echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
     if [ "${DEBUG_MODE,,}" == "true" ]; then
         echo "* DB_SERVER_ZBX_USER: ${DB_SERVER_ZBX_USER}"
@@ -108,7 +117,7 @@ check_db_connect() {
 
     export MYSQL_PWD="${DB_SERVER_ZBX_PASS}"
 
-    while [ ! "$(mysqladmin ping -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} -u ${DB_SERVER_ZBX_USER} \
+    while [ ! "$(mysqladmin ping $mysql_connect_args -u ${DB_SERVER_ZBX_USER} \
                 --silent --connect_timeout=10 $ssl_opts)" ]; do
         echo "**** MySQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
         sleep $WAIT_TIMEOUT
diff --git a/Dockerfiles/web-apache-mysql/ol/docker-entrypoint.sh b/Dockerfiles/web-apache-mysql/ol/docker-entrypoint.sh
index fa0bc684e..976f208fa 100755
--- a/Dockerfiles/web-apache-mysql/ol/docker-entrypoint.sh
+++ b/Dockerfiles/web-apache-mysql/ol/docker-entrypoint.sh
@@ -67,6 +67,12 @@ check_variables() {
     DB_SERVER_ZBX_PASS=${MYSQL_PASSWORD:-"zabbix"}
 
     DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix"}
+
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        mysql_connect_args="-h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT}"
+    else
+        mysql_connect_args="-S ${DB_SERVER_SOCKET}"
+    fi
 }
 
 db_tls_params() {
@@ -95,6 +101,9 @@ check_db_connect() {
     echo "********************"
     echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
     echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    if [ -n "${DB_SERVER_SOCKET}" ]; then
+        echo "* DB_SERVER_SOCKET: ${DB_SERVER_SOCKET}"
+    fi
     echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
     if [ "${DEBUG_MODE,,}" == "true" ]; then
         echo "* DB_SERVER_ZBX_USER: ${DB_SERVER_ZBX_USER}"
@@ -108,7 +117,7 @@ check_db_connect() {
 
     export MYSQL_PWD="${DB_SERVER_ZBX_PASS}"
 
-    while [ ! "$(mysqladmin ping -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} -u ${DB_SERVER_ZBX_USER} \
+    while [ ! "$(mysqladmin ping $mysql_connect_args -u ${DB_SERVER_ZBX_USER} \
                 --silent --connect_timeout=10 $ssl_opts)" ]; do
         echo "**** MySQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
         sleep $WAIT_TIMEOUT
diff --git a/Dockerfiles/web-apache-mysql/ubuntu/docker-entrypoint.sh b/Dockerfiles/web-apache-mysql/ubuntu/docker-entrypoint.sh
index 90c84a37e..434b15491 100755
--- a/Dockerfiles/web-apache-mysql/ubuntu/docker-entrypoint.sh
+++ b/Dockerfiles/web-apache-mysql/ubuntu/docker-entrypoint.sh
@@ -67,6 +67,12 @@ check_variables() {
     DB_SERVER_ZBX_PASS=${MYSQL_PASSWORD:-"zabbix"}
 
     DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix"}
+
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        mysql_connect_args="-h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT}"
+    else
+        mysql_connect_args="-S ${DB_SERVER_SOCKET}"
+    fi
 }
 
 db_tls_params() {
@@ -95,6 +101,9 @@ check_db_connect() {
     echo "********************"
     echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
     echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    if [ -n "${DB_SERVER_SOCKET}" ]; then
+        echo "* DB_SERVER_SOCKET: ${DB_SERVER_SOCKET}"
+    fi
     echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
     if [ "${DEBUG_MODE,,}" == "true" ]; then
         echo "* DB_SERVER_ZBX_USER: ${DB_SERVER_ZBX_USER}"
@@ -108,7 +117,7 @@ check_db_connect() {
 
     export MYSQL_PWD="${DB_SERVER_ZBX_PASS}"
 
-    while [ ! "$(mysqladmin ping -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} -u ${DB_SERVER_ZBX_USER} \
+    while [ ! "$(mysqladmin ping $mysql_connect_args -u ${DB_SERVER_ZBX_USER} \
                 --silent --connect_timeout=10 $ssl_opts)" ]; do
         echo "**** MySQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
         sleep $WAIT_TIMEOUT
diff --git a/Dockerfiles/web-nginx-mysql/alpine/docker-entrypoint.sh b/Dockerfiles/web-nginx-mysql/alpine/docker-entrypoint.sh
index a5d7d3608..c9c80250a 100755
--- a/Dockerfiles/web-nginx-mysql/alpine/docker-entrypoint.sh
+++ b/Dockerfiles/web-nginx-mysql/alpine/docker-entrypoint.sh
@@ -67,6 +67,12 @@ check_variables() {
     DB_SERVER_ZBX_PASS=${MYSQL_PASSWORD:-"zabbix"}
 
     DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix"}
+
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        mysql_connect_args="-h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT}"
+    else
+        mysql_connect_args="-S ${DB_SERVER_SOCKET}"
+    fi
 }
 
 db_tls_params() {
@@ -95,6 +101,9 @@ check_db_connect() {
     echo "********************"
     echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
     echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    if [ -n "${DB_SERVER_SOCKET}" ]; then
+        echo "* DB_SERVER_SOCKET: ${DB_SERVER_SOCKET}"
+    fi
     echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
     if [ "${DEBUG_MODE,,}" == "true" ]; then
         echo "* DB_SERVER_ZBX_USER: ${DB_SERVER_ZBX_USER}"
@@ -108,7 +117,7 @@ check_db_connect() {
 
     export MYSQL_PWD="${DB_SERVER_ZBX_PASS}"
 
-    while [ ! "$(mysqladmin ping -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} -u ${DB_SERVER_ZBX_USER} \
+    while [ ! "$(mysqladmin ping $mysql_connect_args -u ${DB_SERVER_ZBX_USER} \
                 --silent --connect_timeout=10 $ssl_opts)" ]; do
         echo "**** MySQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
         sleep $WAIT_TIMEOUT
diff --git a/Dockerfiles/web-nginx-mysql/centos/docker-entrypoint.sh b/Dockerfiles/web-nginx-mysql/centos/docker-entrypoint.sh
index 5edf18e58..12902b415 100755
--- a/Dockerfiles/web-nginx-mysql/centos/docker-entrypoint.sh
+++ b/Dockerfiles/web-nginx-mysql/centos/docker-entrypoint.sh
@@ -67,6 +67,12 @@ check_variables() {
     DB_SERVER_ZBX_PASS=${MYSQL_PASSWORD:-"zabbix"}
 
     DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix"}
+
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        mysql_connect_args="-h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT}"
+    else
+        mysql_connect_args="-S ${DB_SERVER_SOCKET}"
+    fi
 }
 
 db_tls_params() {
@@ -95,6 +101,9 @@ check_db_connect() {
     echo "********************"
     echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
     echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    if [ -n "${DB_SERVER_SOCKET}" ]; then
+        echo "* DB_SERVER_SOCKET: ${DB_SERVER_SOCKET}"
+    fi
     echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
     if [ "${DEBUG_MODE,,}" == "true" ]; then
         echo "* DB_SERVER_ZBX_USER: ${DB_SERVER_ZBX_USER}"
@@ -108,7 +117,7 @@ check_db_connect() {
 
     export MYSQL_PWD="${DB_SERVER_ZBX_PASS}"
 
-    while [ ! "$(mysqladmin ping -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} -u ${DB_SERVER_ZBX_USER} \
+    while [ ! "$(mysqladmin ping $mysql_connect_args -u ${DB_SERVER_ZBX_USER} \
                 --silent --connect_timeout=10 $ssl_opts)" ]; do
         echo "**** MySQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
         sleep $WAIT_TIMEOUT
diff --git a/Dockerfiles/web-nginx-mysql/ol/docker-entrypoint.sh b/Dockerfiles/web-nginx-mysql/ol/docker-entrypoint.sh
index 5edf18e58..12902b415 100755
--- a/Dockerfiles/web-nginx-mysql/ol/docker-entrypoint.sh
+++ b/Dockerfiles/web-nginx-mysql/ol/docker-entrypoint.sh
@@ -67,6 +67,12 @@ check_variables() {
     DB_SERVER_ZBX_PASS=${MYSQL_PASSWORD:-"zabbix"}
 
     DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix"}
+
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        mysql_connect_args="-h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT}"
+    else
+        mysql_connect_args="-S ${DB_SERVER_SOCKET}"
+    fi
 }
 
 db_tls_params() {
@@ -95,6 +101,9 @@ check_db_connect() {
     echo "********************"
     echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
     echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    if [ -n "${DB_SERVER_SOCKET}" ]; then
+        echo "* DB_SERVER_SOCKET: ${DB_SERVER_SOCKET}"
+    fi
     echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
     if [ "${DEBUG_MODE,,}" == "true" ]; then
         echo "* DB_SERVER_ZBX_USER: ${DB_SERVER_ZBX_USER}"
@@ -108,7 +117,7 @@ check_db_connect() {
 
     export MYSQL_PWD="${DB_SERVER_ZBX_PASS}"
 
-    while [ ! "$(mysqladmin ping -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} -u ${DB_SERVER_ZBX_USER} \
+    while [ ! "$(mysqladmin ping $mysql_connect_args -u ${DB_SERVER_ZBX_USER} \
                 --silent --connect_timeout=10 $ssl_opts)" ]; do
         echo "**** MySQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
         sleep $WAIT_TIMEOUT
diff --git a/Dockerfiles/web-nginx-mysql/rhel/docker-entrypoint.sh b/Dockerfiles/web-nginx-mysql/rhel/docker-entrypoint.sh
index 68e171434..ce94d0ed2 100755
--- a/Dockerfiles/web-nginx-mysql/rhel/docker-entrypoint.sh
+++ b/Dockerfiles/web-nginx-mysql/rhel/docker-entrypoint.sh
@@ -67,6 +67,12 @@ check_variables() {
     DB_SERVER_ZBX_PASS=${MYSQL_PASSWORD:-"zabbix"}
 
     DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix"}
+
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        mysql_connect_args="-h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT}"
+    else
+        mysql_connect_args="-S ${DB_SERVER_SOCKET}"
+    fi
 }
 
 db_tls_params() {
@@ -95,6 +101,9 @@ check_db_connect() {
     echo "********************"
     echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
     echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    if [ -n "${DB_SERVER_SOCKET}" ]; then
+        echo "* DB_SERVER_SOCKET: ${DB_SERVER_SOCKET}"
+    fi
     echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
     if [ "${DEBUG_MODE,,}" == "true" ]; then
         echo "* DB_SERVER_ZBX_USER: ${DB_SERVER_ZBX_USER}"
@@ -108,7 +117,7 @@ check_db_connect() {
 
     export MYSQL_PWD="${DB_SERVER_ZBX_PASS}"
 
-    while [ ! "$(mysqladmin ping -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} -u ${DB_SERVER_ZBX_USER} \
+    while [ ! "$(mysqladmin ping $mysql_connect_args -u ${DB_SERVER_ZBX_USER} \
                 --silent --connect_timeout=10 $ssl_opts)" ]; do
         echo "**** MySQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
         sleep $WAIT_TIMEOUT
diff --git a/Dockerfiles/web-nginx-mysql/ubuntu/docker-entrypoint.sh b/Dockerfiles/web-nginx-mysql/ubuntu/docker-entrypoint.sh
index 5513748b9..6a3bb2582 100755
--- a/Dockerfiles/web-nginx-mysql/ubuntu/docker-entrypoint.sh
+++ b/Dockerfiles/web-nginx-mysql/ubuntu/docker-entrypoint.sh
@@ -67,6 +67,12 @@ check_variables() {
     DB_SERVER_ZBX_PASS=${MYSQL_PASSWORD:-"zabbix"}
 
     DB_SERVER_DBNAME=${MYSQL_DATABASE:-"zabbix"}
+
+    if [ ! -n "${DB_SERVER_SOCKET}" ]; then
+        mysql_connect_args="-h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT}"
+    else
+        mysql_connect_args="-S ${DB_SERVER_SOCKET}"
+    fi
 }
 
 db_tls_params() {
@@ -95,6 +101,9 @@ check_db_connect() {
     echo "********************"
     echo "* DB_SERVER_HOST: ${DB_SERVER_HOST}"
     echo "* DB_SERVER_PORT: ${DB_SERVER_PORT}"
+    if [ -n "${DB_SERVER_SOCKET}" ]; then
+        echo "* DB_SERVER_SOCKET: ${DB_SERVER_SOCKET}"
+    fi
     echo "* DB_SERVER_DBNAME: ${DB_SERVER_DBNAME}"
     if [ "${DEBUG_MODE,,}" == "true" ]; then
         echo "* DB_SERVER_ZBX_USER: ${DB_SERVER_ZBX_USER}"
@@ -108,7 +117,7 @@ check_db_connect() {
 
     export MYSQL_PWD="${DB_SERVER_ZBX_PASS}"
 
-    while [ ! "$(mysqladmin ping -h ${DB_SERVER_HOST} -P ${DB_SERVER_PORT} -u ${DB_SERVER_ZBX_USER} \
+    while [ ! "$(mysqladmin ping $mysql_connect_args -u ${DB_SERVER_ZBX_USER} \
                 --silent --connect_timeout=10 $ssl_opts)" ]; do
         echo "**** MySQL server is not available. Waiting $WAIT_TIMEOUT seconds..."
         sleep $WAIT_TIMEOUT
diff --git a/docker-compose_v3_alpine_mysql_latest.yaml b/docker-compose_v3_alpine_mysql_latest.yaml
index ffdf87f4f..b99e3e223 100644
--- a/docker-compose_v3_alpine_mysql_latest.yaml
+++ b/docker-compose_v3_alpine_mysql_latest.yaml
@@ -7,6 +7,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro 
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/usr/lib/zabbix/alertscripts:/usr/lib/zabbix/alertscripts:ro
    - ./zbx_env/usr/lib/zabbix/externalscripts:/usr/lib/zabbix/externalscripts:ro
    - ./zbx_env/var/lib/zabbix/dbscripts:/var/lib/zabbix/dbscripts:ro
@@ -123,6 +124,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/usr/lib/zabbix/externalscripts:/usr/lib/zabbix/externalscripts:ro
    - ./zbx_env/var/lib/zabbix/modules:/var/lib/zabbix/modules:ro
    - ./zbx_env/var/lib/zabbix/enc:/var/lib/zabbix/enc:ro
@@ -183,6 +185,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/etc/ssl/apache2:/etc/ssl/apache2:ro
    - ./zbx_env/usr/share/zabbix/modules/:/usr/share/zabbix/modules/:ro
   deploy:
@@ -237,6 +240,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/etc/ssl/nginx:/etc/ssl/nginx:ro
    - ./zbx_env/usr/share/zabbix/modules/:/usr/share/zabbix/modules/:ro
   deploy:
@@ -428,6 +432,7 @@ services:
 #   - --ssl-key=/run/secrets/server-key.pem
   volumes:
    - ./zbx_env/var/lib/mysql:/var/lib/mysql:rw
+#   - dbsocket:/var/run/mysqld/
   env_file:
    - ./env_vars/.env_db_mysql
   secrets:
@@ -484,6 +489,7 @@ networks:
 
 volumes:
   snmptraps:
+#  dbsocket:
 
 secrets:
   MYSQL_USER:
diff --git a/docker-compose_v3_alpine_mysql_local.yaml b/docker-compose_v3_alpine_mysql_local.yaml
index 401a53076..f64486bc9 100644
--- a/docker-compose_v3_alpine_mysql_local.yaml
+++ b/docker-compose_v3_alpine_mysql_local.yaml
@@ -44,6 +44,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro 
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/usr/lib/zabbix/alertscripts:/usr/lib/zabbix/alertscripts:ro
    - ./zbx_env/usr/lib/zabbix/externalscripts:/usr/lib/zabbix/externalscripts:ro
    - ./zbx_env/var/lib/zabbix/dbscripts:/var/lib/zabbix/dbscripts:ro
@@ -174,6 +175,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/usr/lib/zabbix/externalscripts:/usr/lib/zabbix/externalscripts:ro
    - ./zbx_env/var/lib/zabbix/modules:/var/lib/zabbix/modules:ro
    - ./zbx_env/var/lib/zabbix/enc:/var/lib/zabbix/enc:ro
@@ -241,6 +243,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/etc/ssl/apache2:/etc/ssl/apache2:ro
    - ./zbx_env/usr/share/zabbix/modules/:/usr/share/zabbix/modules/:ro
   deploy:
@@ -302,6 +305,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/etc/ssl/nginx:/etc/ssl/nginx:ro
    - ./zbx_env/usr/share/zabbix/modules/:/usr/share/zabbix/modules/:ro
   deploy:
@@ -524,6 +528,7 @@ services:
 #   - --ssl-key=/run/secrets/server-key.pem
   volumes:
    - ./zbx_env/var/lib/mysql:/var/lib/mysql:rw
+#   - dbsocket:/var/run/mysqld/
   env_file:
    - ./env_vars/.env_db_mysql
   secrets:
@@ -580,6 +585,7 @@ networks:
 
 volumes:
   snmptraps:
+#  dbsocket:
 
 secrets:
   MYSQL_USER:
diff --git a/docker-compose_v3_centos_mysql_latest.yaml b/docker-compose_v3_centos_mysql_latest.yaml
index 6a9f34e74..747184f31 100644
--- a/docker-compose_v3_centos_mysql_latest.yaml
+++ b/docker-compose_v3_centos_mysql_latest.yaml
@@ -7,6 +7,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro 
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/usr/lib/zabbix/alertscripts:/usr/lib/zabbix/alertscripts:ro
    - ./zbx_env/usr/lib/zabbix/externalscripts:/usr/lib/zabbix/externalscripts:ro
    - ./zbx_env/var/lib/zabbix/dbscripts:/var/lib/zabbix/dbscripts:ro
@@ -123,6 +124,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/usr/lib/zabbix/externalscripts:/usr/lib/zabbix/externalscripts:ro
    - ./zbx_env/var/lib/zabbix/modules:/var/lib/zabbix/modules:ro
    - ./zbx_env/var/lib/zabbix/enc:/var/lib/zabbix/enc:ro
@@ -183,6 +185,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/etc/ssl/apache2:/etc/ssl/apache2:ro
    - ./zbx_env/usr/share/zabbix/modules/:/usr/share/zabbix/modules/:ro
   deploy:
@@ -237,6 +240,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/etc/ssl/nginx:/etc/ssl/nginx:ro
    - ./zbx_env/usr/share/zabbix/modules/:/usr/share/zabbix/modules/:ro
   deploy:
@@ -427,6 +431,7 @@ services:
 #   - --ssl-key=/run/secrets/server-key.pem
   volumes:
    - ./zbx_env/var/lib/mysql:/var/lib/mysql:rw
+#   - dbsocket:/var/run/mysqld/
   env_file:
    - ./env_vars/.env_db_mysql
   secrets:
@@ -483,6 +488,7 @@ networks:
 
 volumes:
   snmptraps:
+#  dbsocket:
 
 secrets:
   MYSQL_USER:
diff --git a/docker-compose_v3_centos_mysql_local.yaml b/docker-compose_v3_centos_mysql_local.yaml
index bcbd21978..8838d544e 100644
--- a/docker-compose_v3_centos_mysql_local.yaml
+++ b/docker-compose_v3_centos_mysql_local.yaml
@@ -44,6 +44,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro 
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/usr/lib/zabbix/alertscripts:/usr/lib/zabbix/alertscripts:ro
    - ./zbx_env/usr/lib/zabbix/externalscripts:/usr/lib/zabbix/externalscripts:ro
    - ./zbx_env/var/lib/zabbix/dbscripts:/var/lib/zabbix/dbscripts:ro
@@ -174,6 +175,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/usr/lib/zabbix/externalscripts:/usr/lib/zabbix/externalscripts:ro
    - ./zbx_env/var/lib/zabbix/modules:/var/lib/zabbix/modules:ro
    - ./zbx_env/var/lib/zabbix/enc:/var/lib/zabbix/enc:ro
@@ -241,6 +243,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/etc/ssl/apache2:/etc/ssl/apache2:ro
    - ./zbx_env/usr/share/zabbix/modules/:/usr/share/zabbix/modules/:ro
   deploy:
@@ -302,6 +305,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/etc/ssl/nginx:/etc/ssl/nginx:ro
    - ./zbx_env/usr/share/zabbix/modules/:/usr/share/zabbix/modules/:ro
   deploy:
@@ -521,6 +525,7 @@ services:
 #   - --ssl-key=/run/secrets/server-key.pem
   volumes:
    - ./zbx_env/var/lib/mysql:/var/lib/mysql:rw
+#   - dbsocket:/var/run/mysqld/
   env_file:
    - ./env_vars/.env_db_mysql
   secrets:
@@ -577,6 +582,7 @@ networks:
 
 volumes:
   snmptraps:
+#  dbsocket:
 
 secrets:
   MYSQL_USER:
diff --git a/docker-compose_v3_ol_mysql_latest.yaml b/docker-compose_v3_ol_mysql_latest.yaml
index add2b822f..29a38ecb8 100644
--- a/docker-compose_v3_ol_mysql_latest.yaml
+++ b/docker-compose_v3_ol_mysql_latest.yaml
@@ -7,6 +7,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro 
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/usr/lib/zabbix/alertscripts:/usr/lib/zabbix/alertscripts:ro
    - ./zbx_env/usr/lib/zabbix/externalscripts:/usr/lib/zabbix/externalscripts:ro
    - ./zbx_env/var/lib/zabbix/dbscripts:/var/lib/zabbix/dbscripts:ro
@@ -123,6 +124,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/usr/lib/zabbix/externalscripts:/usr/lib/zabbix/externalscripts:ro
    - ./zbx_env/var/lib/zabbix/modules:/var/lib/zabbix/modules:ro
    - ./zbx_env/var/lib/zabbix/enc:/var/lib/zabbix/enc:ro
@@ -183,6 +185,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/etc/ssl/apache2:/etc/ssl/apache2:ro
    - ./zbx_env/usr/share/zabbix/modules/:/usr/share/zabbix/modules/:ro
   deploy:
@@ -237,6 +240,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/etc/ssl/nginx:/etc/ssl/nginx:ro
    - ./zbx_env/usr/share/zabbix/modules/:/usr/share/zabbix/modules/:ro
   deploy:
@@ -427,6 +431,7 @@ services:
 #   - --ssl-key=/run/secrets/server-key.pem
   volumes:
    - ./zbx_env/var/lib/mysql:/var/lib/mysql:rw
+#   - dbsocket:/var/run/mysqld/
   env_file:
    - ./env_vars/.env_db_mysql
   secrets:
@@ -483,6 +488,7 @@ networks:
 
 volumes:
   snmptraps:
+#  dbsocket:
 
 secrets:
   MYSQL_USER:
diff --git a/docker-compose_v3_ol_mysql_local.yaml b/docker-compose_v3_ol_mysql_local.yaml
index 71abdb1ce..96a9ada3a 100644
--- a/docker-compose_v3_ol_mysql_local.yaml
+++ b/docker-compose_v3_ol_mysql_local.yaml
@@ -44,6 +44,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro 
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/usr/lib/zabbix/alertscripts:/usr/lib/zabbix/alertscripts:ro
    - ./zbx_env/usr/lib/zabbix/externalscripts:/usr/lib/zabbix/externalscripts:ro
    - ./zbx_env/var/lib/zabbix/dbscripts:/var/lib/zabbix/dbscripts:ro
@@ -174,6 +175,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/usr/lib/zabbix/externalscripts:/usr/lib/zabbix/externalscripts:ro
    - ./zbx_env/var/lib/zabbix/modules:/var/lib/zabbix/modules:ro
    - ./zbx_env/var/lib/zabbix/enc:/var/lib/zabbix/enc:ro
@@ -241,6 +243,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/etc/ssl/apache2:/etc/ssl/apache2:ro
    - ./zbx_env/usr/share/zabbix/modules/:/usr/share/zabbix/modules/:ro
   deploy:
@@ -302,6 +305,7 @@ services:
   volumes:
    - /etc/localtime:/etc/localtime:ro
    - /etc/timezone:/etc/timezone:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/etc/ssl/nginx:/etc/ssl/nginx:ro
    - ./zbx_env/usr/share/zabbix/modules/:/usr/share/zabbix/modules/:ro
   deploy:
@@ -521,6 +525,7 @@ services:
 #   - --ssl-key=/run/secrets/server-key.pem
   volumes:
    - ./zbx_env/var/lib/mysql:/var/lib/mysql:rw
+#   - dbsocket:/var/run/mysqld/
   env_file:
    - ./env_vars/.env_db_mysql
   secrets:
@@ -577,6 +582,7 @@ networks:
 
 volumes:
   snmptraps:
+#  dbsocket:
 
 secrets:
   MYSQL_USER:
diff --git a/docker-compose_v3_ubuntu_mysql_latest.yaml b/docker-compose_v3_ubuntu_mysql_latest.yaml
index 16f0b33b2..0e216cc3c 100644
--- a/docker-compose_v3_ubuntu_mysql_latest.yaml
+++ b/docker-compose_v3_ubuntu_mysql_latest.yaml
@@ -6,6 +6,7 @@ services:
    - "10051:10051"
   volumes:
    - /etc/localtime:/etc/localtime:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/usr/lib/zabbix/alertscripts:/usr/lib/zabbix/alertscripts:ro
    - ./zbx_env/usr/lib/zabbix/externalscripts:/usr/lib/zabbix/externalscripts:ro
    - ./zbx_env/var/lib/zabbix/dbscripts:/var/lib/zabbix/dbscripts:ro
@@ -120,6 +121,7 @@ services:
    - "10071:10051"
   volumes:
    - /etc/localtime:/etc/localtime:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/usr/lib/zabbix/externalscripts:/usr/lib/zabbix/externalscripts:ro
    - ./zbx_env/var/lib/zabbix/modules:/var/lib/zabbix/modules:ro
    - ./zbx_env/var/lib/zabbix/enc:/var/lib/zabbix/enc:ro
@@ -177,6 +179,7 @@ services:
    - "8443:8443"
   volumes:
    - /etc/localtime:/etc/localtime:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/etc/ssl/apache2:/etc/ssl/apache2:ro
    - ./zbx_env/usr/share/zabbix/modules/:/usr/share/zabbix/modules/:ro
   deploy:
@@ -230,6 +233,7 @@ services:
    - "443:8443"
   volumes:
    - /etc/localtime:/etc/localtime:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/etc/ssl/nginx:/etc/ssl/nginx:ro
    - ./zbx_env/usr/share/zabbix/modules/:/usr/share/zabbix/modules/:ro
   deploy:
@@ -419,6 +423,7 @@ services:
 #   - --ssl-key=/run/secrets/server-key.pem
   volumes:
    - ./zbx_env/var/lib/mysql:/var/lib/mysql:rw
+#   - dbsocket:/var/run/mysqld/
   env_file:
    - ./env_vars/.env_db_mysql
   secrets:
@@ -475,6 +480,7 @@ networks:
 
 volumes:
   snmptraps:
+#  dbsocket:
 
 secrets:
   MYSQL_USER:
diff --git a/docker-compose_v3_ubuntu_mysql_local.yaml b/docker-compose_v3_ubuntu_mysql_local.yaml
index 2b78cd53e..e562abdbc 100644
--- a/docker-compose_v3_ubuntu_mysql_local.yaml
+++ b/docker-compose_v3_ubuntu_mysql_local.yaml
@@ -43,6 +43,7 @@ services:
    - "10051:10051"
   volumes:
    - /etc/localtime:/etc/localtime:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/usr/lib/zabbix/alertscripts:/usr/lib/zabbix/alertscripts:ro
    - ./zbx_env/usr/lib/zabbix/externalscripts:/usr/lib/zabbix/externalscripts:ro
    - ./zbx_env/var/lib/zabbix/dbscripts:/var/lib/zabbix/dbscripts:ro
@@ -171,6 +172,7 @@ services:
    - "10071:10051"
   volumes:
    - /etc/localtime:/etc/localtime:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/usr/lib/zabbix/externalscripts:/usr/lib/zabbix/externalscripts:ro
    - ./zbx_env/var/lib/zabbix/modules:/var/lib/zabbix/modules:ro
    - ./zbx_env/var/lib/zabbix/enc:/var/lib/zabbix/enc:ro
@@ -237,6 +239,7 @@ services:
    - "8443:8443"
   volumes:
    - /etc/localtime:/etc/localtime:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/etc/ssl/apache2:/etc/ssl/apache2:ro
    - ./zbx_env/usr/share/zabbix/modules/:/usr/share/zabbix/modules/:ro
   deploy:
@@ -297,6 +300,7 @@ services:
    - "443:8443"
   volumes:
    - /etc/localtime:/etc/localtime:ro
+#   - dbsocket:/var/run/mysqld/
    - ./zbx_env/etc/ssl/nginx:/etc/ssl/nginx:ro
    - ./zbx_env/usr/share/zabbix/modules/:/usr/share/zabbix/modules/:ro
   deploy:
@@ -515,6 +519,7 @@ services:
 #   - --ssl-key=/run/secrets/server-key.pem
   volumes:
    - ./zbx_env/var/lib/mysql:/var/lib/mysql:rw
+#   - dbsocket:/var/run/mysqld/
   env_file:
    - ./env_vars/.env_db_mysql
   secrets:
@@ -571,6 +576,7 @@ networks:
 
 volumes:
   snmptraps:
+#  dbsocket:
 
 secrets:
   MYSQL_USER:
diff --git a/env_vars/.env_db_mysql b/env_vars/.env_db_mysql
index b9f0d2afb..a11e1b391 100644
--- a/env_vars/.env_db_mysql
+++ b/env_vars/.env_db_mysql
@@ -1,5 +1,6 @@
 # DB_SERVER_HOST=mysql-server
 # DB_SERVER_PORT=3306
+# DB_SERVER_SOCKET=/var/run/mysqld/mysqld.sock
 # MYSQL_USER=zabbix
 MYSQL_USER_FILE=/run/secrets/MYSQL_USER
 # MYSQL_PASSWORD=zabbix
diff --git a/env_vars/.env_db_mysql_proxy b/env_vars/.env_db_mysql_proxy
index 1a12b5bf8..5efa465ca 100644
--- a/env_vars/.env_db_mysql_proxy
+++ b/env_vars/.env_db_mysql_proxy
@@ -1,5 +1,6 @@
 # DB_SERVER_HOST=mysql-server
 # DB_SERVER_PORT=3306
+# DB_SERVER_SOCKET=/var/run/mysqld/mysqld.sock
 # MYSQL_USER=zabbix
 MYSQL_USER=zabbix
 # MYSQL_USER_FILE=/run/secrets/MYSQL_USER