.docker-build: &docker_build
  # Use the official docker image.
  image: docker:latest
  services:
    - docker:dind
  before_script:
    - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
  # Default branch leaves tag empty (= latest tag)
  # All other branches are tagged with the escaped branch name (commit ref slug)
  script:
    - |
      if [[ "$CI_COMMIT_BRANCH" == "$CI_DEFAULT_BRANCH" ]]; then
        tag=""
        echo "Running on default branch '$CI_DEFAULT_BRANCH': tag = 'latest'"
      else
        tag=":$CI_COMMIT_REF_SLUG"
        echo "Running on branch '$CI_COMMIT_BRANCH': tag = $tag"
      fi
    - docker build --pull --build-arg GO_CMD=${GO_CMD} -t "$CI_REGISTRY_IMAGE/${GO_CMD}${tag}" .
    - docker push "$CI_REGISTRY_IMAGE/${GO_CMD}${tag}"
  # Run this job in a branch where a Dockerfile exists
  rules:
    - if: $CI_COMMIT_BRANCH
      changes:
        - cmd/${GO_CMD}/*/**

funbot:
  stage: build
  variables:
    GO_CMD: funbot
  <<: *docker_build

tempbot:
  stage: build
  variables:
    GO_CMD: tempbot
  <<: *docker_build

vcbot:
  stage: build
  variables:
    GO_CMD: vcbot
  <<: *docker_build

welcomebot:
  stage: build
  variables:
    GO_CMD: welcomebot
  <<: *docker_build

dealsbot:
  stage: build
  variables:
    GO_CMD: dealsbot
  <<: *docker_build