fix docker build for tag release

.gitlab-ci.yml

-image: docker:latest
-
 stages:
 - build
 - tag
 
-variables:
-  CONTAINER_TEST_IMAGE: gitlab-registry.cern.ch/fts/fts-rest:latest
-  CONTAINER_RELEASE_IMAGE: gitlab-registry.cern.ch/fts/fts-rest:$CI_BUILD_REF_NAME
-
-before_script:
-    - docker info
-    - docker login -p "${REGISTRY_PASSWD}" -u "${REGISTRY_USER}" gitlab-registry.cern.ch
-
-after_script:
-    - docker logout gitlab-registry.cern.ch
-
 build:
     stage: build
     only:
       - develop
     script:
-      - docker build --pull -t $CONTAINER_TEST_IMAGE packaging/docker
-      - docker push $CONTAINER_TEST_IMAGE
+      - ""
+    variables:
+      TO: gitlab-registry.cern.ch/fts/fts-rest:latest
+      DOCKER_FILE:  packaging/docker/Dockerfile
     tags:
-      - docker
+      - docker-image-build
 tag:
     stage: tag
     only:
         - tags
     script:
-        - docker build  -t $CONTAINER_RELEASE_IMAGE --build-arg ftsrepo=http://fts-repo.web.cern.ch/fts-repo/fts3-rc-el7.repo  --build-arg dmcrepo=http://dmc-repo.web.cern.ch/dmc-repo/dmc-rc-el7.repo  packaging/docker
-        - docker push $CONTAINER_RELEASE_IMAGE  
+      - ""
+    variables:
+      TO: gitlab-registry.cern.ch/fts/fts-rest:$CI_BUILD_REF_NAME
+      DOCKER_FILE:  packaging/docker/Dockerfile-release
     tags:
-       - docker
+        - docker-image-build
 

packaging/docker/Dockerfile-release

+FROM centos:7
+MAINTAINER CERN
+
+#add EPEL repos
+ADD  http://mirror.switch.ch/ftp/mirror/epel/epel-release-latest-7.noarch.rpm  /tmp/epel-release-7.noarch.rpm
+RUN  yum localinstall /tmp/epel-release-7.noarch.rpm -y \
+        && /usr/bin/yum --enablerepo=*-testing clean all \
+        && rm /tmp/epel-release-7.noarch.rpm \
+        && rm -rf /var/cache/yum
+
+# add FTS repo
+ARG ftsrepo=http://fts-repo.web.cern.ch/fts-repo/fts3-rc-el7.repo
+ADD $ftsrepo /etc/yum.repos.d/fts.repo
+
+#add DMC repo
+ARG dmcrepo=http://dmc-repo.web.cern.ch/dmc-repo/dmc-rc-el7.repo
+ADD $dmcrepo /etc/yum.repos.d/dmc.repo
+
+RUN /usr/bin/yum clean all
+
+RUN /usr/bin/yum install -y fts-rest-selinux fts-rest httpd MySQL-python 
+
+RUN /usr/bin/yum install -y voms-config-wlcg  voms-config-vo-dteam
+
+#add user
+RUN useradd fts3 && usermod -a -G fts3 apache
+RUN mkdir -p /var/log/fts3rest && chown fts3:fts3 /var/log/fts3rest
+
+#expose port
+EXPOSE 8446
+
+CMD ["/usr/sbin/apachectl","-DFOREGROUND"]