diff --git a/2.5/Dockerfile b/2.5/Dockerfile
index 7e7e309..1ad5d10 100644
--- a/2.5/Dockerfile
+++ b/2.5/Dockerfile
@@ -54,12 +54,14 @@ RUN apt-get update ; \
     /usr/sbin/a2enmod authz_user ;\
     wget https://raw.githubusercontent.com/OCSInventory-NG/OCSInventory-Server/master/binutils/docker-download.sh ;\
     sh docker-download.sh 2.5
+	
+ENV TZ	"Europe/Paris"
 
 WORKDIR /tmp/ocs/Apache
 RUN perl Makefile.PL ;\
     make ;\
     make install ;\
-    cp /usr/share/zoneinfo/Europe/Paris /etc/localtime ;\
+    ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone ;\
     cp -R blib/lib/Apache /usr/local/share/perl/5.28.0/ ;\
     cp -R Ocsinventory /usr/local/share/perl/5.28.0/ ;\
     cp /tmp/ocs/etc/logrotate.d/ocsinventory-server /etc/logrotate.d/ ;\
@@ -74,6 +76,8 @@ ENV APACHE_PID_FILE     /var/run/apache2.pid
 ENV APACHE_RUN_DIR      /var/run/apache2f
 ENV APACHE_LOCK_DIR     /var/lock/apache2
 ENV APACHE_LOG_DIR      /var/log/apache2
+ENV OCS_DBSERVER_READ_PORT	3306
+ENV OCS_DBSERVER_WRITE_PORT	3306
 
 WORKDIR /tmp/ocs
 
diff --git a/2.5/conf/z-ocsinventory-server.conf b/2.5/conf/z-ocsinventory-server.conf
index 6753b18..0cae3ee 100644
--- a/2.5/conf/z-ocsinventory-server.conf
+++ b/2.5/conf/z-ocsinventory-server.conf
@@ -21,7 +21,7 @@
   # Replace localhost by hostname or ip of MySQL server for WRITE
   PerlSetEnv OCS_DB_HOST ${OCS_DBSERVER_WRITE}
   # Replace 3306 by port where running MySQL server, generally 3306
-  PerlSetEnv OCS_DB_PORT 3306
+  PerlSetEnv OCS_DB_PORT ${OCS_DBSERVER_WRITE_PORT}
   # Name of database
   PerlSetEnv OCS_DB_NAME ${OCS_DBNAME}	
   PerlSetEnv OCS_DB_LOCAL ${OCS_DBNAME}
diff --git a/2.5/dbconfig.inc.php b/2.5/dbconfig.inc.php
index a0eb888..7b4b9f0 100644
--- a/2.5/dbconfig.inc.php
+++ b/2.5/dbconfig.inc.php
@@ -1,7 +1,7 @@
 <?php
     define("DB_NAME", getenv('OCS_DBNAME'));
-    define("SERVER_READ", getenv('OCS_DBSERVER_READ'));
-    define("SERVER_WRITE", getenv('OCS_DBSERVER_WRITE'));
+    define("SERVER_READ", getenv('OCS_DBSERVER_READ').':'.getenv('OCS_DBSERVER_READ_PORT'));
+    define("SERVER_WRITE", getenv('OCS_DBSERVER_WRITE').':'.getenv('OCS_DBSERVER_WRITE_PORT'));
     define("COMPTE_BASE", getenv('OCS_DBUSER'));
     define("PSWD_BASE", getenv('OCS_DBPASS'));
     $_SESSION["PSWD_BASE"]=PSWD_BASE;
diff --git a/README.md b/README.md
index 4a168e5..6dcc3c6 100644
--- a/README.md
+++ b/README.md
@@ -74,8 +74,11 @@ Use the following environmental variables to connect your MySQL Server.
 OCS_DBNAME= *(Name of your database)*
 OCS_DBSERVER_READ= *(Database Server)*
 OCS_DBSERVER_WRITE=*(Database Server)*
+OCS_DBSERVER_READ_PORT=	*(Database Server Port)*
+OCS_DBSERVER_WRITE_PORT=*(Database Server Port)*
 OCS_DBUSER= *(User database)*
 OCS_DBPASS= *(User password)*
+TZ= *(TIMEZONE)*
 ```
 ----------