.gitlab-ci.yml

deploy:
  image: docker:latest
  services:
    - docker:dind
  variables:
    DOCKER_TLS_CERTDIR: "/certs"
    DOCKER_HOST: unix:///var/run/docker.sock
    DOCKER_IMAGE_NAME: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG
  tags:
    - se13-docker-image-builder
  before_script:
    - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
  script:
    - docker build --pull -t "$DOCKER_IMAGE_NAME" .
    - docker push "$DOCKER_IMAGE_NAME"
    - |
      if [[ "$CI_COMMIT_BRANCH" == "$CI_DEFAULT_BRANCH" || "$CI_COMMIT_REF_SLUG" == "main" ]]; then
        docker tag "$DOCKER_IMAGE_NAME" "$CI_REGISTRY_IMAGE:latest"
        docker push "$CI_REGISTRY_IMAGE:latest"
      fi
  rules:
    # Trigger the job for tags
  - if: '$CI_COMMIT_TAG'
  # Trigger the job for commits to main
  - if: '$CI_COMMIT_BRANCH == "main"'
  # Trigger the job for merge requests to main
  - if: '$CI_PIPELINE_SOURCE == "merge_request_event" && $CI_MERGE_REQUEST_TARGET_BRANCH_NAME == "main"'
    exists:
      - Dockerfile