image: docker:latest

variables:
  FF_NETWORK_PER_BUILD: true
services:
  - name: docker:dind
    command: [--dns=127.0.0.11]

build-docker:
  variables:
    VID: $CI_COMMIT_BRANCH-$CI_COMMIT_SHORT_SHA
  rules:
    - if: $CI_COMMIT_TAG =~ /.+/
      variables:
        VID: $CI_COMMIT_TAG
    - when: manual
  stage: build
  before_script:
    - apk update
    - apk add --no-cache git
  script:
    - docker build -f Dockerfile -t korap/kustvakt:$VID .
    - docker save korap/kustvakt:$VID | xz > kustvakt-$VID.tar.xz
  artifacts:
    paths:
      - kustvakt-$VID.tar.xz

push-dockerhub:
  stage: deploy
  image: docker:latest
  needs:
    - job: build-docker
      artifacts: true
  dependencies:
    - build-docker
  rules:
    - if: $CI_COMMIT_TAG =~ /^v.+/
      when: manual
    - when: never    
  script:
    - apk update
    - apk add --no-cache xz
    - echo "$DOCKERHUB_TOKEN" | docker login -u "$DOCKERHUB_USERNAME" --password-stdin
    - CLEAN_TAG="${CI_COMMIT_TAG:1}"
    - ARTIFACT=kustvakt-${CLEAN_TAG}.tar.xz
    - xz -d -c "$ARTIFACT" | docker load
    - docker tag korap/kustvakt:$CLEAN_TAG korap/kustvakt:latest
    - docker push korap/kustvakt:$CLEAN_TAG
    - docker push korap/kustavkt:latest