tools/build/docker/pipelines/.docker-step.yml

.docker-step.yml

.docker:
  image: docker
  stage: publish_docker
  services:
  - docker:dind
  variables:
    DOCKERFILE_PATH: Dockerfile
    DOCKER_REGISTRY: $CI_REGISTRY
    DOCKER_REGISTRY_IMAGE: $CI_REGISTRY_IMAGE
    DOCKER_PROJECT_NAME: $CI_PROJECT_NAME
    DOCKER_TOKEN: $CI_BUILD_TOKEN
    DOCKER_LATEST_BRANCH: master
    DOCKER_LATEST_TAG: latest
    DOCKER_TAG: $CI_COMMIT_REF_NAME
    DOCKER_DRIVER: overlay2
  before_script:
    - docker login -u gitlab-ci-token -p $DOCKER_TOKEN $DOCKER_REGISTRY
  script:
    - |
      img="$DOCKER_REGISTRY_IMAGE/$DOCKER_PROJECT_NAME"
      current="$img:$DOCKER_TAG"
      latest="$img:$DOCKER_LATEST_TAG"
      cache=""
      tags="-t $current"
      file="-f $DOCKERFILE_PATH"

      echo "Pulling $current."
      docker pull $current && cache="$cache --cache-from $current" || true
      echo "Pulling $latest."
      docker pull $latest && cache="$cache --cache-from $latest" || true

      if [ "$DOCKER_LATEST_BRANCH" == "$CI_COMMIT_REF_NAME" ]; then
        tags="$tags -t $latest"
      fi

      echo "Building docker image."
      docker build --pull $cache $tags $file .

      echo "Pushing $current."
      docker push $current

      if [ "$DOCKER_LATEST_BRANCH" == "$CI_COMMIT_REF_NAME" ]; then
        echo "Pushing $latest."
        docker push $latest
      else
        echo "Skipping $latest."
      fi

  tags:
    - docker

.docker_build:
  extends: .docker
  variables:
    DOCKERFILE_PATH: builders/$DOCKER_PROJECT_NAME.Dockerfile