diff --git a/common/DO_NOT_REMOVE_DRIVERS_FOLDER.txt b/common/DO_NOT_REMOVE_DRIVERS_FOLDER.txt
new file mode 100644
index 00000000..51e6d0eb
--- /dev/null
+++ b/common/DO_NOT_REMOVE_DRIVERS_FOLDER.txt
@@ -0,0 +1 @@
+The `drivers` folder is used to add additional drivers. These drivers will be copied to the `/config/resources` folder of the ODM Docker images at build time.
\ No newline at end of file
diff --git a/common/drivers/.gitignore b/common/drivers/.gitignore
new file mode 100644
index 00000000..86d0cb27
--- /dev/null
+++ b/common/drivers/.gitignore
@@ -0,0 +1,4 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore
\ No newline at end of file
diff --git a/common/script/installDerby.sh b/common/script/installDerby.sh
index 415addb8..cb1dd192 100755
--- a/common/script/installDerby.sh
+++ b/common/script/installDerby.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
 
 # Install the driver for Derby
+echo "Install the driver for Derby"
 wget -nv http://central.maven.org/maven2/org/apache/derby/derbyclient/10.12.1.1/derbyclient-10.12.1.1.jar
 mv derby* /config/resources
diff --git a/common/script/installMySQL.sh b/common/script/installMySQL.sh
index 98e2c215..a9e60056 100755
--- a/common/script/installMySQL.sh
+++ b/common/script/installMySQL.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
 
 # Install the driver for MySQL
+echo "Install the driver for MySQL"
 wget -nv http://central.maven.org/maven2/mysql/mysql-connector-java/5.1.22/mysql-connector-java-5.1.22.jar
 mv mysql* /config/resources
diff --git a/common/script/installPostgres.sh b/common/script/installPostgres.sh
index 1850ac2e..5eb94f77 100755
--- a/common/script/installPostgres.sh
+++ b/common/script/installPostgres.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
 
 # Install the driver for PostgreSQL
-wget -nv https://jdbc.postgresql.org/download/postgresql-9.3-1104.jdbc4.jar
+echo "Install the driver for postgreSQL"
+wget -nv https://jdbc.postgresql.org/download/postgresql-9.4.1212.jar
 mv postgres* /config/resources
diff --git a/databases/derby/Dockerfile b/databases/derby/Dockerfile
index eaa02b84..b02bc5c0 100755
--- a/databases/derby/Dockerfile
+++ b/databases/derby/Dockerfile
@@ -8,7 +8,7 @@ MAINTAINER ODMDev odmdev_open_source_user@wwpdl.vnet.ibm.com, Laurent GRATEAU <l
 ENV DERBY_INSTALL=/db-derby-10.12.1.1-bin
 ENV DERBY_HOME=/db-derby-10.12.1.1-bin
 ENV CLASSPATH=/$DERBY_INSTALL/lib/derby.jar:$DERBY_INSTALL/lib/derbytools.jar:.
-ENV DOWNLOAD http://wwwftp.ciril.fr/pub/apache//db/derby/db-derby-10.12.1.1/db-derby-10.12.1.1-bin.tar.gz
+ENV DOWNLOAD=http://archive.apache.org/dist/db/derby/db-derby-10.12.1.1/db-derby-10.12.1.1-bin.tar.gz
 ENV DERBY_INSTALL=/opt/db-derby-10.12.1.1-bin
 ENV CLASSPATH=/$DERBY_INSTALL/lib/derby.jar:$DERBY_INSTALL/lib/derbytools.jar:.
 
diff --git a/databases/derby/data.tar.gz b/databases/derby/data.tar.gz
index 34a3683a..440bef06 100644
Binary files a/databases/derby/data.tar.gz and b/databases/derby/data.tar.gz differ
diff --git a/databases/postgresql/data.tar.gz b/databases/postgresql/data.tar.gz
index 9d624988..c997190d 100644
Binary files a/databases/postgresql/data.tar.gz and b/databases/postgresql/data.tar.gz differ
diff --git a/decisioncenter/Dockerfile b/decisioncenter/Dockerfile
index 3eb6260c..043d3554 100755
--- a/decisioncenter/Dockerfile
+++ b/decisioncenter/Dockerfile
@@ -9,7 +9,6 @@ MAINTAINER ODMDev odmdev_open_source_user@wwpdl.vnet.ibm.com, Laurent GRATEAU <l
 ENV APP_NAME DecisionCenter
 ENV ODMDOCKERDIR $ODMDOCKERDIR
 ENV SCRIPT /script
-ENV DC_PERSISTENCE_LOCALE en_US
 
 RUN mkdir /config/resources && \
   mkdir -p $SCRIPT
@@ -18,13 +17,14 @@ COPY $ODMDOCKERDIR/decisioncenter/config /config
 COPY $ODMDOCKERDIR/common/security /config/resources/security
 COPY $ODMDOCKERDIR/decisioncenter/script $SCRIPT
 COPY $ODMDOCKERDIR/common/script $SCRIPT
+COPY $ODMDOCKERDIR/common/drivers /config/resources
 
 COPY ./teamserver/applicationservers/WLP855/teamserver.war /config/apps/
 COPY ./teamserver/applicationservers/WLP855/decisioncenter*.war /config/apps/
 
 RUN chmod -R a+x $SCRIPT && \
 	sync && \
-	$SCRIPT/installPostgres.sh && \
+	if [ ! -f /config/resources/postgres* ]; then $SCRIPT/installPostgres.sh; fi && \
 	mkdir -p /config/apps/extract && \
 	cd /config/apps/extract && \
     unzip -q ../decisioncenter.war && \
diff --git a/decisioncenter/config/datasource-db2.xml b/decisioncenter/config/datasource-db2.xml
new file mode 100644
index 00000000..26e01a43
--- /dev/null
+++ b/decisioncenter/config/datasource-db2.xml
@@ -0,0 +1,26 @@
+<server>
+  <!-- decision center datasource -->
+  <library id="DB2Lib">
+    <fileset dir="${server.config.dir}/resources"/>
+  </library>
+  
+  <jdbcDriver id="DB2Driver" libraryRef="DB2Lib"/>
+  <dataSource id="dcdatasource"
+			  isolationLevel="TRANSACTION_READ_COMMITTED"
+			  jndiName="jdbc/ilogDataSource"
+			  statementCacheSize="150"
+			  jdbcDriverRef="DB2Driver">
+		<connectionManager
+				maxPoolSize="25"
+				minPoolSize="10"
+				connectionTimout="10s"
+				agedTimeout="30m"/>
+    <properties.db2.jcc  
+    	databaseName="odmdb"
+		user="odmusr"
+		password="odmpwd"
+		serverName="dbserver" 
+		portNumber="50000"/>
+  </dataSource>
+
+</server>
diff --git a/decisioncenter/config/datasource-derby.xml b/decisioncenter/config/datasource-derby.xml
index 85ed6f89..eae1b445 100644
--- a/decisioncenter/config/datasource-derby.xml
+++ b/decisioncenter/config/datasource-derby.xml
@@ -16,11 +16,11 @@
 			minPoolSize="10"
 			connectionTimout="10s"
 			agedTimeout="30m"/>
-		<properties.derby.client databaseName="rtsdb"
+		<properties.derby.client databaseName="odmdb"
 								serverName="dbserver"
 								portNumber="1527"
 								createDatabase="create"
-								user="ilog"
-								password="ilog" />
+								user="odmusr"
+								password="odmpwd" />
 	</dataSource>
 </server>
diff --git a/decisioncenter/config/datasource-mysql.xml b/decisioncenter/config/datasource-mysql.xml
index cff55368..348e4626 100644
--- a/decisioncenter/config/datasource-mysql.xml
+++ b/decisioncenter/config/datasource-mysql.xml
@@ -4,20 +4,26 @@
     <fileset dir="${server.config.dir}/resources"/>
   </library>
   
-  <jdbcDriver id="MySQLDriver" libraryRef="MySQLLib"/>
+  <jdbcDriver id="MySQLDriver"
+  			javax.sql.ConnectionPoolDataSource="com.mysql.jdbc.jdbc2.optional.MysqlConnectionPoolDataSource"
+  			javax.sql.DataSource="com.mysql.jdbc.jdbc2.optional.MysqlDataSource"
+  			javax.sql.XADataSource="com.mysql.jdbc.jdbc2.optional.MysqlXADataSource"
+  			libraryRef="MySQLLib"/>
+
   <dataSource id="dcdatasource"
 			  isolationLevel="TRANSACTION_READ_COMMITTED"
 			  jndiName="jdbc/ilogDataSource"
 			  statementCacheSize="150"
-			  jdbcDriverRef="MySQLDriver">
+			  jdbcDriverRef="MySQLDriver"
+			  type="javax.sql.ConnectionPoolDataSource">
 		<connectionManager
 				maxPoolSize="25"
 				minPoolSize="10"
 				connectionTimout="10s"
 				agedTimeout="30m"/>
     <properties databaseName="odmdb"
-				user="odm"
-				password="odm"
+				user="odmusr"
+				password="odmpwd"
 				serverName="dbserver" 
 				portNumber="3306"/>
   </dataSource>
diff --git a/decisioncenter/config/datasource-postgres.xml b/decisioncenter/config/datasource-postgres.xml
index f7bc3024..58660af2 100644
--- a/decisioncenter/config/datasource-postgres.xml
+++ b/decisioncenter/config/datasource-postgres.xml
@@ -22,15 +22,16 @@
         -->
         <properties
           databaseName="odmdb"
-          user="odm"
-          password="odm"
+          user="odmusr"
+          password="odmpwd"
           portNumber="5432"
           serverName="dbserver" /> 
   </dataSource>
 
   <jdbcDriver id="postgresql-driver"
-            javax.sql.XADataSource="org.postgresql.xa.PGXADataSource"
             javax.sql.ConnectionPoolDataSource="org.postgresql.ds.PGConnectionPoolDataSource"
+            javax.sql.XADataSource="org.postgresql.xa.PGXADataSource"
+            
             libraryRef="postgresql-library"/>
 
   <library id="postgresql-library">
diff --git a/decisioncenter/script/rundc.sh b/decisioncenter/script/rundc.sh
index f83b9d0c..69b5c6ef 100755
--- a/decisioncenter/script/rundc.sh
+++ b/decisioncenter/script/rundc.sh
@@ -10,9 +10,11 @@ fi
 
 if [ -n "$DC_PERSISTENCE_LOCALE" ]
 then
-        sed -i 's|DC_PERSISTENCE_LOCALE|'$DC_PERSISTENCE_LOCALE'|g' /config/apps/decisioncenter.war/WEB-INF/classes/config/decisioncenter-configuration.properties
+        echo "use DC_PERSISTENCE_LOCALE set to $DC_PERSISTENCE_LOCALE"
+		sed -i 's|DC_PERSISTENCE_LOCALE|'$DC_PERSISTENCE_LOCALE'|g' /config/apps/decisioncenter.war/WEB-INF/classes/config/decisioncenter-configuration.properties
 else
-        sed -i 's|DC_PERSISTENCE_LOCALE|'en_US'|g' /config/apps/decisioncenter.war/WEB-INF/classes/config/decisioncenter-configuration.properties
+        echo "no DC_PERSISTENCE_LOCALE set use default en_US"
+		sed -i 's|DC_PERSISTENCE_LOCALE|'en_US'|g' /config/apps/decisioncenter.war/WEB-INF/classes/config/decisioncenter-configuration.properties
 fi
 
 # Begin - Configuration for the user registry
@@ -34,29 +36,39 @@ then
 	echo "Use DB_DRIVER_URL: $DB_DRIVER_URL"
 	wget -nv $DB_DRIVER_URL
     case $DB_DRIVER_URL in
-    	*derby* ) mv derby* /config/resources 
+    	*derby* ) rm /config/resources/derby*
+				  mv derby* /config/resources 
 				  cp /config/datasource-derby.xml /config/datasource.xml 
 				  ;;
-      	*mysql* ) mv mysql* /config/resources 
+      	*mysql* ) rm /config/resources/mysql*
+				  mv mysql* /config/resources 
 				  cp /config/datasource-mysql.xml /config/datasource.xml 
 				  ;;
       	*postgres* ) rm /config/resources/postgres*
 					 mv postgres* /config/resources 
 					 cp /config/datasource-postgres.xml /config/datasource.xml 
 					 ;; 
+		*db2* ) rm /config/resources/db2*
+				mv db2* /config/resources 
+				cp /config/datasource-db2.xml /config/datasource.xml 
+				;; 
 	esac
 elif [ -n "$DB_TYPE" ]
 then
 	echo "Use DB_TYPE: $DB_TYPE"
 	case $DB_TYPE in
-		*derby* ) /script/installDerby.sh
+		*derby* ) if [ ! -f /config/resources/derby* ]; then  /script/installDerby.sh; fi
 				  cp /config/datasource-derby.xml /config/datasource.xml 
 				  ;;
-		*mysql* ) /script/installMySQL.sh
+		*mysql* ) if [ ! -f /config/resources/mysql* ]; then /script/installMySQL.sh; fi
 				  cp /config/datasource-mysql.xml /config/datasource.xml 
 				  ;;
+		# For postgreSQL, we do not have to install the driver here since it is installed by default at build time
       	*postgres* ) cp /config/datasource-postgres.xml /config/datasource.xml 
-					 ;; 
+					 ;;
+		# For DB2, we do not have to install the driver here since it is supposed to be provided through the drivers folder at build time
+		*db2* ) cp /config/datasource-db2.xml /config/datasource.xml 
+				;;
 	esac
 else
 	echo "Use PostgreSQL as database by default"
@@ -64,6 +76,29 @@ else
 fi
 # End - Configuration for the database
 
+# Begin - Change values for the datasource if required
+if [ -n "$DB_SERVER_NAME" ] 
+then 
+	sed -i 's|dbserver|'$DB_SERVER_NAME'|g' /config/datasource.xml
+fi
+if [ -n "$DB_PORT_NUMBER" ] 
+then 
+	sed -i 's|5432|'$DB_PORT_NUMBER'|g' /config/datasource.xml
+fi
+if [ -n "$DB_NAME" ] 
+then 
+	sed -i 's|odmdb|'$DB_NAME'|g' /config/datasource.xml
+fi
+if [ -n "$DB_USER" ] 
+then 
+	sed -i 's|odmusr|'$DB_USER'|g' /config/datasource.xml
+fi
+if [ -n "$DB_PASSWORD" ] 
+then 
+	sed -i 's|odmpwd|'$DB_PASSWORD'|g' /config/datasource.xml
+fi
+# End - Change values for the datasource if required
+
 # Begin - Add DC Rest Api Web App
 if [ -e /config/apps/decisioncenter-api.war ]
 then
@@ -74,9 +109,4 @@ else
 fi
 # End - Add DC Rest Api Web App
 
-if [ -n "$DBSERVER_NAME" ]
-then
-	sed -i 's|dbserver|'$DBSERVER_NAME'|g' /config/datasource.xml
-fi
-
 /opt/ibm/docker/docker-server run defaultServer
diff --git a/decisionserver/config/datasource-db2.xml b/decisionserver/config/datasource-db2.xml
new file mode 100644
index 00000000..320b195e
--- /dev/null
+++ b/decisionserver/config/datasource-db2.xml
@@ -0,0 +1,13 @@
+<server>
+
+   <!-- decision server datasource -->
+  <library id="DB2Lib">
+    <fileset dir="${server.config.dir}/resources"/>
+  </library>
+  
+  <jdbcDriver id="DB2Driver" libraryRef="DB2Lib"/>
+  <dataSource id="resdatasource" jndiName="jdbc/resdatasource" jdbcDriverRef="DB2Driver">
+    <properties.db2.jcc databaseName="odmdb" user="odmusr" password="odmpwd" serverName="dbserver" portNumber="50000" />
+  </dataSource>
+
+</server>
diff --git a/decisionserver/config/datasource-derby.xml b/decisionserver/config/datasource-derby.xml
index 365bf3a1..3bdbe8a1 100644
--- a/decisionserver/config/datasource-derby.xml
+++ b/decisionserver/config/datasource-derby.xml
@@ -5,7 +5,7 @@
   </library>
   <jdbcDriver id="DerbyJdbcDriver" libraryRef="DerbyLib" />
   <dataSource id="resdatasource" jndiName="jdbc/resdatasource" jdbcDriverRef="DerbyJdbcDriver">
-    <properties.derby.client databaseName="resdb" serverName="dbserver"
-          portNumber="1527" createDatabase="create" user="RES" password="RES" />
+    <properties.derby.client databaseName="odmdb" serverName="dbserver"
+          portNumber="1527" createDatabase="create" user="odmusr" password="odmpwd" />
   </dataSource>
 </server>
diff --git a/decisionserver/config/datasource-mysql.xml b/decisionserver/config/datasource-mysql.xml
index 8c45e539..cf9189fc 100644
--- a/decisionserver/config/datasource-mysql.xml
+++ b/decisionserver/config/datasource-mysql.xml
@@ -4,9 +4,14 @@
     <fileset dir="${server.config.dir}/resources"/>
   </library>
   
-  <jdbcDriver id="MySQLDriver" libraryRef="MySQLLib"/>
-  <dataSource id="resdatasource" jndiName="jdbc/resdatasource" jdbcDriverRef="MySQLDriver">
-    <properties databaseName="odmdb" user="odm" password="odm" serverName="dbserver" portNumber="3306" />
+   <jdbcDriver id="MySQLDriver"
+  			javax.sql.ConnectionPoolDataSource="com.mysql.jdbc.jdbc2.optional.MysqlConnectionPoolDataSource"
+  			javax.sql.DataSource="com.mysql.jdbc.jdbc2.optional.MysqlDataSource"
+  			javax.sql.XADataSource="com.mysql.jdbc.jdbc2.optional.MysqlXADataSource"
+  			libraryRef="MySQLLib"/>
+
+  <dataSource id="resdatasource" jndiName="jdbc/resdatasource" jdbcDriverRef="MySQLDriver" type="javax.sql.ConnectionPoolDataSource">
+    <properties databaseName="odmdb" user="odmusr" password="odmpwd" serverName="dbserver" portNumber="3306" />
   </dataSource>
 
 </server>
diff --git a/decisionserver/config/datasource-postgres.xml b/decisionserver/config/datasource-postgres.xml
index ad76c100..2c554f41 100644
--- a/decisionserver/config/datasource-postgres.xml
+++ b/decisionserver/config/datasource-postgres.xml
@@ -12,15 +12,15 @@
         -->
         <properties
           databaseName="odmdb"
-          user="odm"
-          password="odm"
+          user="odmusr"
+          password="odmpwd"
           portNumber="5432"
           serverName="dbserver" />
   </dataSource>
 
   <jdbcDriver id="postgresql-driver"
-            javax.sql.XADataSource="org.postgresql.xa.PGXADataSource"
             javax.sql.ConnectionPoolDataSource="org.postgresql.ds.PGConnectionPoolDataSource"
+            javax.sql.XADataSource="org.postgresql.xa.PGXADataSource"
             libraryRef="postgresql-library"/>
 
   <library id="postgresql-library">
diff --git a/decisionserver/decisionrunner/Dockerfile b/decisionserver/decisionrunner/Dockerfile
index 74a121b8..2bfc6938 100755
--- a/decisionserver/decisionrunner/Dockerfile
+++ b/decisionserver/decisionrunner/Dockerfile
@@ -20,12 +20,13 @@ COPY $ODMDOCKERDIR/decisionserver/decisionrunner/config /config
 COPY $ODMDOCKERDIR/decisionserver/decisionrunner/script $SCRIPT
 COPY $ODMDOCKERDIR/common/security /config/resources/security
 COPY $ODMDOCKERDIR/common/script $SCRIPT
+COPY $ODMDOCKERDIR/common/drivers /config/resources
 
 COPY ./executionserver/applicationservers/WLP855/DecisionRunner.war /config/apps/
 
 RUN chmod -R a+x $SCRIPT && \
     sync && \
-    $SCRIPT/installPostgres.sh && \
+    if [ ! -f /config/resources/postgres* ]; then $SCRIPT/installPostgres.sh; fi && \
     cd /config/apps/extract && \
     unzip -q ../DecisionRunner.war && \
     cd ../ && \
diff --git a/decisionserver/decisionrunner/script/rundr.sh b/decisionserver/decisionrunner/script/rundr.sh
index ed8974c4..a6f84d59 100755
--- a/decisionserver/decisionrunner/script/rundr.sh
+++ b/decisionserver/decisionrunner/script/rundr.sh
@@ -33,29 +33,39 @@ then
 	echo "Use DB_DRIVER_URL: $DB_DRIVER_URL"
 	wget -nv $DB_DRIVER_URL
     case $DB_DRIVER_URL in
-    	*derby* ) mv derby* /config/resources 
+    	*derby* ) rm /config/resources/derby*
+				  mv derby* /config/resources 
 				  cp /config/datasource-derby.xml /config/datasource.xml 
 				  ;;
-      	*mysql* ) mv mysql* /config/resources 
+      	*mysql* ) rm /config/resources/mysql*
+				  mv mysql* /config/resources 
 				  cp /config/datasource-mysql.xml /config/datasource.xml 
 				  ;;
       	*postgres* ) rm /config/resources/postgres*
 					 mv postgres* /config/resources 
 					 cp /config/datasource-postgres.xml /config/datasource.xml 
 					 ;; 
+		*db2* ) rm /config/resources/db2*
+				mv db2* /config/resources 
+				cp /config/datasource-db2.xml /config/datasource.xml 
+				;; 
 	esac
 elif [ -n "$DB_TYPE" ]
 then
 	echo "Use DB_TYPE: $DB_TYPE"
 	case $DB_TYPE in
-		*derby* ) /script/installDerby.sh
+		*derby* ) if [ ! -f /config/resources/derby* ]; then  /script/installDerby.sh; fi
 				  cp /config/datasource-derby.xml /config/datasource.xml 
 				  ;;
-		*mysql* ) /script/installMySQL.sh
+		*mysql* ) if [ ! -f /config/resources/mysql* ]; then /script/installMySQL.sh; fi
 				  cp /config/datasource-mysql.xml /config/datasource.xml 
 				  ;;
+		# For postgreSQL, we do not have to install the driver here since it is installed by default at build time
       	*postgres* ) cp /config/datasource-postgres.xml /config/datasource.xml 
-					 ;; 
+					 ;;
+		# For DB2, we do not have to install the driver here since it is supposed to be provided through the drivers folder at build time
+		*db2* ) cp /config/datasource-db2.xml /config/datasource.xml 
+				;;
 	esac
 else
 	echo "Use PostgreSQL as database by default"
@@ -63,9 +73,27 @@ else
 fi
 # End - Configuration for the database
 
-if [ -n "$DBSERVER_NAME" ] 
+# Begin - Change values for the datasource if required
+if [ -n "$DB_SERVER_NAME" ] 
+then 
+	sed -i 's|dbserver|'$DB_SERVER_NAME'|g' /config/datasource.xml
+fi
+if [ -n "$DB_PORT_NUMBER" ] 
+then 
+	sed -i 's|5432|'$DB_PORT_NUMBER'|g' /config/datasource.xml
+fi
+if [ -n "$DB_NAME" ] 
+then 
+	sed -i 's|odmdb|'$DB_NAME'|g' /config/datasource.xml
+fi
+if [ -n "$DB_USER" ] 
+then 
+	sed -i 's|odmusr|'$DB_USER'|g' /config/datasource.xml
+fi
+if [ -n "$DB_PASSWORD" ] 
 then 
-	sed -i 's|dbserver|'$DBSERVER_NAME'|g' /config/datasource.xml
+	sed -i 's|odmpwd|'$DB_PASSWORD'|g' /config/datasource.xml
 fi
+# End - Change values for the datasource if required
 
 /opt/ibm/docker/docker-server run defaultServer
diff --git a/decisionserver/decisionserverconsole/Dockerfile b/decisionserver/decisionserverconsole/Dockerfile
index f2c8c10f..5b2110de 100755
--- a/decisionserver/decisionserverconsole/Dockerfile
+++ b/decisionserver/decisionserverconsole/Dockerfile
@@ -13,19 +13,20 @@ ENV SCRIPT /script
 
 RUN mkdir -p $SCRIPT && \
 	mkdir -p /config/resources && \
-  mkdir -p /config/apps/extract
+    mkdir -p /config/apps/extract
 
 COPY $ODMDOCKERDIR/decisionserver/config /config
 COPY $ODMDOCKERDIR/decisionserver/decisionserverconsole/config /config
 COPY $ODMDOCKERDIR/decisionserver/decisionserverconsole/script $SCRIPT
 COPY $ODMDOCKERDIR/common/security /config/resources/security
 COPY $ODMDOCKERDIR/common/script $SCRIPT
+COPY $ODMDOCKERDIR/common/drivers /config/resources
 
 COPY ./executionserver/applicationservers/WLP855/res.war /config/apps/
 
 RUN chmod -R a+x $SCRIPT && \
     sync && \
-    $SCRIPT/installPostgres.sh && \
+    if [ ! -f /config/resources/postgres* ]; then $SCRIPT/installPostgres.sh; fi && \
     cd /config/apps/extract && \
     unzip -q ../res.war && \
     cd ../ && \
diff --git a/decisionserver/decisionserverconsole/script/runds.sh b/decisionserver/decisionserverconsole/script/runds.sh
index 005434d0..4859ed90 100755
--- a/decisionserver/decisionserverconsole/script/runds.sh
+++ b/decisionserver/decisionserverconsole/script/runds.sh
@@ -24,29 +24,39 @@ then
 	echo "Use DB_DRIVER_URL: $DB_DRIVER_URL"
 	wget -nv $DB_DRIVER_URL
     case $DB_DRIVER_URL in
-    	*derby* ) mv derby* /config/resources 
+    	*derby* ) rm /config/resources/derby*
+				  mv derby* /config/resources 
 				  cp /config/datasource-derby.xml /config/datasource.xml 
 				  ;;
-      	*mysql* ) mv mysql* /config/resources 
+      	*mysql* ) rm /config/resources/mysql*
+				  mv mysql* /config/resources 
 				  cp /config/datasource-mysql.xml /config/datasource.xml 
 				  ;;
       	*postgres* ) rm /config/resources/postgres*
 					 mv postgres* /config/resources 
 					 cp /config/datasource-postgres.xml /config/datasource.xml 
 					 ;; 
+		*db2* ) rm /config/resources/db2*
+				mv db2* /config/resources 
+				cp /config/datasource-db2.xml /config/datasource.xml 
+				;; 
 	esac
 elif [ -n "$DB_TYPE" ]
 then
 	echo "Use DB_TYPE: $DB_TYPE"
 	case $DB_TYPE in
-		*derby* ) /script/installDerby.sh
+		*derby* ) if [ ! -f /config/resources/derby* ]; then  /script/installDerby.sh; fi
 				  cp /config/datasource-derby.xml /config/datasource.xml 
 				  ;;
-		*mysql* ) /script/installMySQL.sh
+		*mysql* ) if [ ! -f /config/resources/mysql* ]; then /script/installMySQL.sh; fi
 				  cp /config/datasource-mysql.xml /config/datasource.xml 
 				  ;;
+		# For postgreSQL, we do not have to install the driver here since it is installed by default at build time
       	*postgres* ) cp /config/datasource-postgres.xml /config/datasource.xml 
-					 ;; 
+					 ;;
+		# For DB2, we do not have to install the driver here since it is supposed to be provided through the drivers folder at build time
+		*db2* ) cp /config/datasource-db2.xml /config/datasource.xml 
+				;;
 	esac
 else
 	echo "Use PostgreSQL as database by default"
@@ -54,9 +64,27 @@ else
 fi
 # End - Configuration for the database
 
-if [ -n "$DBSERVER_NAME" ] 
+# Begin - Change values for the datasource if required
+if [ -n "$DB_SERVER_NAME" ] 
+then 
+	sed -i 's|dbserver|'$DB_SERVER_NAME'|g' /config/datasource.xml
+fi
+if [ -n "$DB_PORT_NUMBER" ] 
+then 
+	sed -i 's|5432|'$DB_PORT_NUMBER'|g' /config/datasource.xml
+fi
+if [ -n "$DB_NAME" ] 
+then 
+	sed -i 's|odmdb|'$DB_NAME'|g' /config/datasource.xml
+fi
+if [ -n "$DB_USER" ] 
+then 
+	sed -i 's|odmusr|'$DB_USER'|g' /config/datasource.xml
+fi
+if [ -n "$DB_PASSWORD" ] 
 then 
-	sed -i 's|dbserver|'$DBSERVER_NAME'|g' /config/datasource.xml
+	sed -i 's|odmpwd|'$DB_PASSWORD'|g' /config/datasource.xml
 fi
+# End - Change values for the datasource if required
 
 /opt/ibm/docker/docker-server run defaultServer
\ No newline at end of file
diff --git a/decisionserver/decisionserverruntime/Dockerfile b/decisionserver/decisionserverruntime/Dockerfile
index 1148d4a1..3b97ff20 100755
--- a/decisionserver/decisionserverruntime/Dockerfile
+++ b/decisionserver/decisionserverruntime/Dockerfile
@@ -20,12 +20,13 @@ COPY $ODMDOCKERDIR/decisionserver/decisionserverruntime/config /config
 COPY $ODMDOCKERDIR/decisionserver/decisionserverruntime/script $SCRIPT
 COPY $ODMDOCKERDIR/common/security /config/resources/security
 COPY $ODMDOCKERDIR/common/script $SCRIPT
+COPY $ODMDOCKERDIR/common/drivers /config/resources
 
 COPY ./executionserver/applicationservers/WLP855/DecisionService.war /config/apps/
 
 RUN chmod -R a+x $SCRIPT && \
     sync && \
-    $SCRIPT/installPostgres.sh && \
+    if [ ! -f /config/resources/postgres* ]; then $SCRIPT/installPostgres.sh; fi && \
     cd /config/apps/extract && \
     unzip -q ../DecisionService.war && \
     cd ../ && \
diff --git a/decisionserver/decisionserverruntime/script/runds.sh b/decisionserver/decisionserverruntime/script/runds.sh
index c77e3fef..4c9083d2 100755
--- a/decisionserver/decisionserverruntime/script/runds.sh
+++ b/decisionserver/decisionserverruntime/script/runds.sh
@@ -39,29 +39,39 @@ then
 	echo "Use DB_DRIVER_URL: $DB_DRIVER_URL"
 	wget -nv $DB_DRIVER_URL
     case $DB_DRIVER_URL in
-    	*derby* ) mv derby* /config/resources 
+    	*derby* ) rm /config/resources/derby*
+				  mv derby* /config/resources 
 				  cp /config/datasource-derby.xml /config/datasource.xml 
 				  ;;
-      	*mysql* ) mv mysql* /config/resources 
+      	*mysql* ) rm /config/resources/mysql*
+				  mv mysql* /config/resources 
 				  cp /config/datasource-mysql.xml /config/datasource.xml 
 				  ;;
       	*postgres* ) rm /config/resources/postgres*
 					 mv postgres* /config/resources 
 					 cp /config/datasource-postgres.xml /config/datasource.xml 
 					 ;; 
+		*db2* ) rm /config/resources/db2*
+				mv db2* /config/resources 
+				cp /config/datasource-db2.xml /config/datasource.xml 
+				;; 
 	esac
 elif [ -n "$DB_TYPE" ]
 then
 	echo "Use DB_TYPE: $DB_TYPE"
 	case $DB_TYPE in
-		*derby* ) /script/installDerby.sh
+		*derby* ) if [ ! -f /config/resources/derby* ]; then  /script/installDerby.sh; fi
 				  cp /config/datasource-derby.xml /config/datasource.xml 
 				  ;;
-		*mysql* ) /script/installMySQL.sh
+		*mysql* ) if [ ! -f /config/resources/mysql* ]; then /script/installMySQL.sh; fi
 				  cp /config/datasource-mysql.xml /config/datasource.xml 
 				  ;;
+		# For postgreSQL, we do not have to install the driver here since it is installed by default at build time
       	*postgres* ) cp /config/datasource-postgres.xml /config/datasource.xml 
-					 ;; 
+					 ;;
+		# For DB2, we do not have to install the driver here since it is supposed to be provided through the drivers folder at build time
+		*db2* ) cp /config/datasource-db2.xml /config/datasource.xml 
+				;;
 	esac
 else
 	echo "Use PostgreSQL as database by default"
@@ -69,9 +79,27 @@ else
 fi
 # End - Configuration for the database
 
-if [ -n "$DBSERVER_NAME" ]
-then
-	sed -i 's|dbserver|'$DBSERVER_NAME'|g' /config/datasource.xml
+# Begin - Change values for the datasource if required
+if [ -n "$DB_SERVER_NAME" ] 
+then 
+	sed -i 's|dbserver|'$DB_SERVER_NAME'|g' /config/datasource.xml
+fi
+if [ -n "$DB_PORT_NUMBER" ] 
+then 
+	sed -i 's|5432|'$DB_PORT_NUMBER'|g' /config/datasource.xml
+fi
+if [ -n "$DB_NAME" ] 
+then 
+	sed -i 's|odmdb|'$DB_NAME'|g' /config/datasource.xml
+fi
+if [ -n "$DB_USER" ] 
+then 
+	sed -i 's|odmusr|'$DB_USER'|g' /config/datasource.xml
+fi
+if [ -n "$DB_PASSWORD" ] 
+then 
+	sed -i 's|odmpwd|'$DB_PASSWORD'|g' /config/datasource.xml
 fi
+# End - Change values for the datasource if required
 
 /opt/ibm/docker/docker-server run defaultServer
diff --git a/docker-compose.yml b/docker-compose.yml
index a8b59f50..4d5bd05e 100755
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -10,8 +10,8 @@ services:
     ports:
     - 5432:5432
     environment:
-      - POSTGRES_USER=odm
-      - POSTGRES_PASSWORD=odm
+      - POSTGRES_USER=odmusr
+      - POSTGRES_PASSWORD=odmpwd
       - POSTGRES_DB=odmdb
       - PGDATA=/pgdata
       - SAMPLE=true
@@ -36,7 +36,7 @@ services:
     - 9080:9080
     - 1883:1883
     #environment:
-    #- DBSERVER_NAME=dbserver
+    #- DB_SERVER_NAME=dbserver
 
   odm-decisionrunner:
     image: $REPOSITORY/$PREFIXIMAGE-decisionrunner:$ODMVERSION
diff --git a/odm-cluster.yml b/odm-cluster.yml
index 9fb6e74f..894ec328 100755
--- a/odm-cluster.yml
+++ b/odm-cluster.yml
@@ -10,8 +10,8 @@ services:
     ports:
     - 5432:5432
     environment:
-      - POSTGRES_USER=odm
-      - POSTGRES_PASSWORD=odm
+      - POSTGRES_USER=odmusr
+      - POSTGRES_PASSWORD=odmpwd
       - POSTGRES_DB=odmdb
       - PGDATA=/pgdata
       - SAMPLE=true
diff --git a/odm-standalone-postgres.yml b/odm-standalone-postgres.yml
index 7f2dccb6..f4ce6f12 100755
--- a/odm-standalone-postgres.yml
+++ b/odm-standalone-postgres.yml
@@ -6,8 +6,8 @@ services:
     - 5432:5432
     environment:
       - POSTGRES_DB=odmdb
-      - POSTGRES_USER=odm
-      - POSTGRES_PASSWORD=odm
+      - POSTGRES_USER=odmusr
+      - POSTGRES_PASSWORD=odmpwd
       - PGDATA=/pgdata
 # Uncomment this line to persist your data. Note that on OSX you need to share this
 # current directory in the Preference menu -> File Sharing menu.
@@ -27,8 +27,8 @@ services:
       # DB_TYPE can be set to "postgres" or "h2". If it is set to "h2" or not set, the H2 embedded database is used.
       # DB_DRIVER_URL can be used optionally to override the driver that is used by default for PostgreSQL.
       - DB_NAME=odmdb
-      - DB_USER=odm
-      - DB_PASSWORD=odm
+      - DB_USER=odmusr
+      - DB_PASSWORD=odmpwd
       - DB_SERVER_NAME=dbserver
       # DB_PORT_NUMBER can be used to override the default port number that is 5432 for PostgreSQL.
     ports:
diff --git a/override-mysql.yml b/override-mysql.yml
index c9da8dcb..bc96d33d 100755
--- a/override-mysql.yml
+++ b/override-mysql.yml
@@ -4,10 +4,10 @@ services:
     build:
         dockerfile: ./${ODMDOCKERDIR}/databases/mysql/Dockerfile
     environment:
-      - MYSQL_ROOT_PASSWORD=odm
+      - MYSQL_ROOT_PASSWORD=odmpwd
       - MYSQL_DATABASE=odmdb
-      - MYSQL_USER=odm
-      - MYSQL_PASSWORD=odm
+      - MYSQL_USER=odmusr
+      - MYSQL_PASSWORD=odmpwd
     ports:
     - 3306:3306
 
diff --git a/standalone-tomcat/Dockerfile b/standalone-tomcat/Dockerfile
index adb77379..51362853 100644
--- a/standalone-tomcat/Dockerfile
+++ b/standalone-tomcat/Dockerfile
@@ -17,7 +17,7 @@ COPY ${ODMDOCKERDIR}/standalone-tomcat/script $SCRIPT
 RUN chmod -R a+x $SCRIPT
 
 # Begin - Configuration for the database
-ENV DERBY_URL http://www-eu.apache.org/dist//db/derby/db-derby-10.12.1.1/db-derby-10.12.1.1-bin.tar.gz
+ENV DERBY_URL http://archive.apache.org/dist/db/derby/db-derby-10.12.1.1/db-derby-10.12.1.1-bin.tar.gz
 ENV DERBY_FOLDER db-derby-10.12.1.1-bin
 RUN wget -nv $DERBY_URL && \
     tar xzf ${DERBY_FOLDER}.tar.gz && \
diff --git a/standalone/Dockerfile b/standalone/Dockerfile
index 7a123c98..11dbae0d 100644
--- a/standalone/Dockerfile
+++ b/standalone/Dockerfile
@@ -9,7 +9,6 @@ MAINTAINER "Laurent GRATEAU <laurent.grateau@fr.ibm.com>, ODMDev odmdev_open_sou
 ENV ODMDOCKERDIR $ODMDOCKERDIR
 ENV APP_NAME StandaloneOdm
 ENV SCRIPT /script
-ENV DC_PERSISTENCE_LOCALE en_US
 RUN mkdir /config/resources && \
 	mkdir -p $SCRIPT && \
 	mkdir -p /config/dbdata
@@ -33,7 +32,7 @@ COPY ${ODMDOCKERDIR}/standalone/script $SCRIPT
 # Begin - Configuration for the database
 # Install the driver for H2 and for PostgreSQL
 RUN wget -nv http://central.maven.org/maven2/com/h2database/h2/1.4.196/h2-1.4.196.jar && mv h2* /config/resources && \
-    wget -nv https://jdbc.postgresql.org/download/postgresql-9.3-1104.jdbc4.jar && mv postgres* /config/resources
+    wget -nv https://jdbc.postgresql.org/download/postgresql-9.4.1212.jar && mv postgres* /config/resources
 # End - Configuration for the database
 
 ENV CONNECTION_POOL_SIZE 20
diff --git a/standalone/script/runserver.sh b/standalone/script/runserver.sh
index 48948301..d1459b34 100644
--- a/standalone/script/runserver.sh
+++ b/standalone/script/runserver.sh
@@ -48,7 +48,7 @@ else
 fi
 # End - Configuration for the database
 
-# Change values for the datasource if required
+# Begin - Change values for the datasource if required
 if [ -n "$DB_SERVER_NAME" ] 
 then 
 	sed -i 's|dbserver|'$DB_SERVER_NAME'|g' /config/datasource.xml
@@ -69,12 +69,15 @@ if [ -n "$DB_PASSWORD" ]
 then 
 	sed -i 's|odmpwd|'$DB_PASSWORD'|g' /config/datasource.xml
 fi
+# End - Change values for the datasource if required
 
 if [ -n "$DC_PERSISTENCE_LOCALE" ]
 then
-        sed -i 's|DC_PERSISTENCE_LOCALE|'$DC_PERSISTENCE_LOCALE'|g' /config/apps/decisioncenter.war/WEB-INF/classes/config/decisioncenter-configuration.properties
+        echo "use DC_PERSISTENCE_LOCALE set to $DC_PERSISTENCE_LOCALE"
+		sed -i 's|DC_PERSISTENCE_LOCALE|'$DC_PERSISTENCE_LOCALE'|g' /config/apps/decisioncenter.war/WEB-INF/classes/config/decisioncenter-configuration.properties
 else
-        sed -i 's|DC_PERSISTENCE_LOCALE|'en_US'|g' /config/apps/decisioncenter.war/WEB-INF/classes/config/decisioncenter-configuration.properties
+        echo "no DC_PERSISTENCE_LOCALE set use default en_US"
+		sed -i 's|DC_PERSISTENCE_LOCALE|'en_US'|g' /config/apps/decisioncenter.war/WEB-INF/classes/config/decisioncenter-configuration.properties
 fi
 
 # Begin - Add DC Rest Api Web App