stages:
  - build:docker

variables:
  IMAGE_NAME: "$CI_REGISTRY_IMAGE"
  IMAGE_NAME_DOCKERHUB: "index.docker.io/bruceforce/bw_backup"

.docker_login: &docker_login
  docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY

.dockerhub_login: &dockerhub_login
  docker login -u "$DOCKERHUB_USER" -p "$DOCKERHUB_PASSWORD" $DOCKERHUB_REGISTRY

.docker_build_template: &docker_build
  stage: build:docker
  image: docker:latest
  services:
    - docker:dind
  tags:
    - shared

build_master:
  <<: *docker_build
  script:
    - *docker_login
    - docker build --pull -t "$IMAGE_NAME" -t "$IMAGE_NAME_DOCKERHUB" .
    - docker push "$IMAGE_NAME"
    - *dockerhub_login
    - docker push "$IMAGE_NAME_DOCKERHUB"
  only:
    - master

build_master_rpi3:
  <<: *docker_build
  script:
    - *docker_login
    - docker build --pull -t "$IMAGE_NAME:rpi3" -t "$IMAGE_NAME_DOCKERHUB:rpi3" .
    - docker push "$IMAGE_NAME:rpi3"
    - *dockerhub_login
    - docker push "$IMAGE_NAME_DOCKERHUB:rpi3"
  tags:
    - rpi3
  only:
    - master

build:
  <<: *docker_build
  script:
    - *docker_login
    - docker build --pull -t "$CI_REGISTRY_IMAGE/$CI_COMMIT_REF_SLUG/bw_backup" .
    - docker push "$CI_REGISTRY_IMAGE/$CI_COMMIT_REF_SLUG/bw_backup"
  except:
    - master