build:
  stage: deploy
  only:
    - /^v.*$/
  except:
    - branches
  services:
    - docker:dind
  before_script:
    - echo "$CI_REGISTRY_PASSWORD" | docker login $CI_REGISTRY --username $CI_REGISTRY_USER --password-stdin
  script:
    - docker build --no-cache -t "$CI_REGISTRY_IMAGE:latest" -t "$CI_REGISTRY_IMAGE:$CI_COMMIT_TAG" .
    - docker push "$CI_REGISTRY_IMAGE:latest"
    - docker push "$CI_REGISTRY_IMAGE:$CI_COMMIT_TAG"