diff --git a/Dockerfile b/Dockerfile
index 1d13e50..dd6c330 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,30 +2,27 @@
 #     --build-arg="MVN_FINALNAME=$MVN_FINALNAME" \
 #     --build-arg="MVN_NAME=${MVN_NAME}" \
 #     --build-arg="CONTAINER_INI=${CONTAINER_INI}" \
-#     --build-arg="JAVA_VERSION=${JAVA_VERSION}" \
-#     --build-arg="SMARTGEARS_VERSION=${SMARTGEARS_VERSION}" \
+#     --build-arg="SMARTGEAR_IMAGE=${SMARTGEAR_IMAGE}" \
+#     --build-arg="PORT=${PORT}" \
 #     -f Dockerfile \
 #     $PLATFORMS .
 
-# ARG JAVA_VERSION
-# ARG SMARTGEARS_VERSION
-# ARG TOMCAT_VERSION
-
 ARG SMARTGEAR_IMAGE
 
-#FROM d4science/smartgears-distribution:${SMARTGEARS_VERSION}-java${JAVA_VERSION}-tomcat10.1.19
-# FROM hub.dev.d4science.org/gcube/smartgears-distribution:${SMARTGEARS_VERSION}-java${JAVA_VERSION}-tomcat{TOMCAT_VERSION}
 FROM ${SMARTGEAR_IMAGE}
-    ARG CONTAINER_INI="./dockerize/configuration/container.ini"
+    ARG CONTAINER_INI
     ARG MVN_FINALNAME
     ARG MVN_NAME
-
-    #FROM smartgears-distribution:${SMARTGEARS_VERSION}-java${JAVA_VERSION}-tomcat10.1.19
+    ARG PORT
 
     COPY ./dockerize/configuration/logback.xml /etc/
     COPY ./dockerize/configuration/*.gcubekey /tomcat/lib
+    
     COPY ./target/${MVN_FINALNAME}.war /usr/local/tomcat/webapps/
+    # In the case you have to copy a file inside the service directory 
+    # the war must be unzipped .
     # RUN unzip /target/${MVN_FINALNAME}.war -d /tomcat/webapps/${MVN_NAME}
+
     COPY ${CONTAINER_INI} /etc/container.ini
 
-    EXPOSE 8080
+    EXPOSE ${PORT}
diff --git a/dockerize/build_conf b/dockerize/build_conf
index d39b9f7..961d6f9 100644
--- a/dockerize/build_conf
+++ b/dockerize/build_conf
@@ -29,6 +29,9 @@ echo "JAVA_VERSION: ${JAVA_VERSION}"
 TOMCAT_VERSION=10.1.19
 echo "TOMCAT_VERSION: ${TOMCAT_VERSION}"
 
+PORT=8080
+echo "PORT: ${PORT}"
+
 SMARTGEARS_VERSION=$(cd .. && mvn -q \
         -Dexec.executable=echo \
         -Dexec.args='${docker.smartgear.version}' \