publish to gitlab registry

.gitlab-ci.yml

@@ -37,11 +37,12 @@ variables:
   services: 
     - docker:19.03-dind
   before_script:
-    - docker version
-    - docker login -u "$DOCKER_HUB_USER" -p "$DOCKER_HUB_PASSWORD" $DOCKER_HUB
+    - docker info
+    - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
   script:
-    - docker build -t unibasme/bambirds-testing:$VERSION .
-    - docker push unibasme/bambirds-testing:$VERSION
+    - docker build --pull -t "$IMAGE_NAME:$IMAGE_TAG" .
+    - docker push "$IMAGE_NAME:$IMAGE_TAG"
+