feat: Push final docker images in parallel

.gitlab-ci.yml

@@ -79,13 +79,16 @@ deploy_commit_image_to_tag:
     - name: docker:19.03.12-dind
   variables:
     GIT_STRATEGY: none # this job does not need the project files, only docker
+  parallel:
+    matrix:
+      - IMAGE_TYPE: ["", "-elixir-builder", "-asset-builder"]
   script:
     - echo "BUILD_VERSION is ${BUILD_VERSION}"
     - docker login "https://${CI_REGISTRY}" -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD
     # Run the docker pull, but retry if it doesn't work at first because layers may be
     # still be loading to storage
-    - for i in 1 2 3 4 5; do docker pull $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA && break || sleep 15; done
-    - docker tag $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA $CI_REGISTRY_IMAGE:$BUILD_VERSION
-    - docker tag $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA $CI_REGISTRY_IMAGE:latest
-    - docker push $CI_REGISTRY_IMAGE:$BUILD_VERSION
-    - docker push $CI_REGISTRY_IMAGE:latest
+    - for i in 1 2 3 4 5; do docker pull $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA$IMAGE_TYPE && break || sleep 15; done
+    - docker tag $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA$IMAGE_TYPE $CI_REGISTRY_IMAGE:$BUILD_VERSION$IMAGE_TYPE
+    - docker tag $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA$IMAGE_TYPE $CI_REGISTRY_IMAGE:latest$IMAGE_TYPE
+    - docker push $CI_REGISTRY_IMAGE:$BUILD_VERSION$IMAGE_TYPE
+    - docker push $CI_REGISTRY_IMAGE:latest$IMAGE_TYPE

script/ci-docker-prebuild

@@ -2,8 +2,6 @@
 
 PARENT_COMMIT=`git rev-list --parents -n 1 HEAD  | cut -d' ' -f2`
 
-docker login "https://${CI_REGISTRY}" -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD
-
 docker pull $CI_REGISTRY_IMAGE:$PARENT_COMMIT-elixir-builder || \
   docker pull $CI_REGISTRY_IMAGE:latest-elixir-builder || \
   true