Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -15,12 +15,11 @@ before_script:
 .upstream-container-release-downstream: &upstream-container-release-downstream
   stage: upstream-container-release-downstream
   script: |
-    export BUILD_DATE=$(date +%Y-%m-%dT%H:%M:%S)
+    export APP_NAME="$(basename "${CONTAINER_IMAGE_NAME}")"
     ...
     envsubst < upstream-app/Dockerfile.tmpl > upstream-app/Dockerfile
-    echo "Building image ${DEST_IMAGE_NAME}"
+    echo "Build & release image ${DEST_IMAGE_NAME}"
     docker build --pull -t "${DEST_IMAGE_NAME}" upstream-app
-    echo "Releasing ${DEST_IMAGE_NAME}"
     docker push "${DEST_IMAGE_NAME}"
   artifacts:
     expire_in: 1 mo