Image build is optimized.

.gitlab-ci.yml

@@ -25,6 +25,7 @@ variables:
 before_script:
   - mkdir -p ~/.docker
   - echo $DOCKER_CONFIG_JSON | base64 -d > ~/.docker/config.json
+  - echo $DOCKER_PW | docker login -u $DOCKER_USER --password-stdin
   - docker system prune -a -f --volumes || true
   - docker container prune -f || true
   - docker network prune -f || true
@@ -41,7 +42,7 @@ build:
     - docker buildx create --use
 #    - docker buildx build --cache-from=type=registry,ref=$DOCKER_REPO --no-cache --progress=plain -t $DOCKER_REPO -f flask_ml_api/Dockerfile flask_ml_api
     - docker build --cache-from=flask-backend-full --no-cache --progress=plain -t flask-backend-full -f flask_ml_api/Dockerfile .
-
+    - echo $DOCKER_REPO
     - docker push $DOCKER_REPO
   only:
     - master