workflow:
  rules:
    - if: $CI_COMMIT_TAG
      when: never
    - if: $CI_COMMIT_BRANCH && $CI_OPEN_MERGE_REQUESTS
      when: never
    # - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH  # Run this job when commits are pushed or merged to the default branch
default:
  image: docker:28.0.4
  services:
    - docker:28.0.4-dind
  before_script:
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
variables:
  # Use TLS https://docs.gitlab.com/ee/ci/docker/using_docker_build.html#tls-enabled
  DOCKER_HOST: tcp://docker:2376
  DOCKER_TLS_CERTDIR: "/certs"
  CONTAINER_IMAGE: $CI_REGISTRY_IMAGE:$CI_COMMIT_BRANCH
  CONTAINER_RELEASE_IMAGE: $CI_REGISTRY_IMAGE:latest
  IMAGES: ('poetry')
stages:
  - build
.commands:
  strip_tag:
    - TAG=$(echo ${CI_COMMIT_MESSAGE} | tr -d \\n)
build:
  stage: build
  script:
    - docker context create my-builder
    - docker buildx create my-builder --driver docker-container --use
    - |
      for image in $IMAGES
        do
        CONTAINER_IMAGE="$CI_REGISTRY_IMAGE/$image"
        docker buildx build --push -t $CONTAINER_IMAGE --cache-to type=registry,ref=$CONTAINER_IMAGE,mode=max --cache-from type=registry,ref=$CONTAINER_IMAGE -f Dockerfile-$image .  
      done