[Docker] Strip build: lines from docker-compose input to force pull.

.gitlab-ci.yml

@@ -30,20 +30,18 @@ deploy_demo-master:
     - echo "$SSH_KNOWN_HOSTS" >~/.ssh/known_hosts
     - chmod 644 ~/.ssh/known_hosts
   script:
-    - ssh root@demo-master.biscuit-sis.org
+    - grep -v "build:" docker-compose.yml | ssh root@demo-master.biscuit-sis.org
        env BISCUIT_IMAGE_TAG=${CI_COMMIT_REF_NAME}
        docker-compose
         -p biscuit-${CI_ENVIRONMENT_SLUG}
         -f /dev/stdin
         pull
-       <docker-compose.yml
-    - ssh root@demo-master.biscuit-sis.org
+    - grep -v "build:" docker-compose.yml | ssh root@demo-master.biscuit-sis.org
        env BISCUIT_IMAGE_TAG=${CI_COMMIT_REF_NAME}
            NGIINX_HTTP_PORT=80
        docker-compose
         -p biscuit-${CI_ENVIRONMENT_SLUG}
         -f /dev/stdin
         up -d
-       <docker-compose.yml
   only:
     - master