updated git and docker fil

.gitlab-ci.yml

@@ -28,8 +28,9 @@ docker_build_staging:
   script:
     - env
     - docker login -u $registry_user -p $registry_pass $registry
-    - docker build -t $app_image_tag
-      --build-arg APP_ENV=$app_env
+    - docker build -t $app_image_tag \
+      --build-arg APP_ENV=$app_env \
+      .
     - docker push $app_image_tag
   only:
     - master