fix docker push

.gitlab-ci.yml

@@ -77,6 +77,7 @@ test_fe:
   script:
     - cd ./frontend
     - npm update
+    - npm install puppeteer --only=dev  # for chrome headless
     - ng test
   extends:
     - .test
@@ -140,7 +141,7 @@ docker-build-be:
 docker-push-fe:
   script:
     - docker image load --input waecm_g4_fe
-    - docker-compose push waecm_g4_fe
+    - docker image push ${DOCKER_USER}/${ASSIGNMENT}-fe
   extends:
     - .docker-push
     - .docker-setup
@@ -150,7 +151,7 @@ docker-push-fe:
 docker-push-be:
   script:
     - docker image load --input waecm_g4_be
-    - docker-compose push waecm_g4_be
+    - docker image push ${DOCKER_USER}/${ASSIGNMENT}-be
   extends:
     - .docker-push
     - .docker-setup