variables:
    BASE_TAG: ${CI_REGISTRY}/${CI_PROJECT_NAMESPACE}/${CI_PROJECT_NAME}/${CI_COMMIT_REF_SLUG}

stages:
  - build

build_site_docker:
  image: docker:19.03.12
  services:
    - docker:19.03.12-dind
  stage: build
  before_script:
    - docker info
    - docker login -u gitlab-ci-token -p "$CI_BUILD_TOKEN" "$CI_REGISTRY"
  script:
    - docker build -t "$CI_REGISTRY_IMAGE:latest" .
    - docker push "$CI_REGISTRY_IMAGE:latest"
  only:
    - master