stages:
  - test
  - build

run tests:
  image: dlang2/dmd-ubuntu:2.083.1
  script:
    - dub test

auto build and push:
  image: docker:stable
  before_script:
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
  stage: build
  script:
    - docker pull $CI_REGISTRY_IMAGE:latest || true
    - docker build --cache-from $CI_REGISTRY_IMAGE:latest -t $CI_REGISTRY_IMAGE:latest .
    - docker push $CI_REGISTRY_IMAGE:latest
  only:
    - master
  tags:
    - build

build and push:
  image: docker:stable
  before_script:
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
  stage: build
  script:
    - docker pull $CI_REGISTRY_IMAGE:latest || true
    - docker build --cache-from $CI_REGISTRY_IMAGE:latest -t $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG .
    - docker push $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG
  except:
    - master
  when: manual
  tags:
    - build