image: docker:stable
services:
  - docker:dind

variables:
  DOCKER_BUILDX_VERSION: v0.18.0
  DOCKER_BUILDX_ARCH: linux-amd64
  DOCKER_IMAGE_BUILD_TAG: ${CI_PIPELINE_IID}
  DOCKER_IMAGE_BUILD: ${CI_REGISTRY_IMAGE}:${CI_PIPELINE_IID}
  DOCKER_IMAGE_LATEST: ${CI_REGISTRY_IMAGE}:latest
  DOCKERX_BUILD_CONTEXT: dockerx-ctx-${CI_PIPELINE_IID}
  DOCKERHUB_IMAGE_BUILD: ${DOCKERHUB_IMAGE}:${CI_PIPELINE_IID}
  DOCKERHUB_IMAGE_LATEST: ${DOCKERHUB_IMAGE}:latest

stages:
  - release

release:docker:
  stage: release
  timeout: 10m
  image: docker:stable
  services:
    - docker:dind
  before_script:
    - mkdir -p ~/.docker/cli-plugins
    - wget -O ~/.docker/cli-plugins/docker-buildx "https://github.com/docker/buildx/releases/download/${DOCKER_BUILDX_VERSION}/buildx-${DOCKER_BUILDX_VERSION}.${DOCKER_BUILDX_ARCH}"
    - chmod a+x ~/.docker/cli-plugins/docker-buildx
    - docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
    - docker login -u "${CI_REGISTRY_USER}" -p "${CI_REGISTRY_PASSWORD}" "${CI_REGISTRY}"
    - docker login -u "${DOCKERHUB_USER}" -p "${DOCKERHUB_PASSWORD}" "${DOCKERHUB_REGISTRY}"
    - docker buildx create --use --name "${DOCKERX_BUILD_CONTEXT}"
  script:
    - docker buildx build --push --platform linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64/v8 --build-arg BUILD_DATE=`date -u +"%Y-%m-%dT%H:%M:%SZ"` --build-arg VCS_REF=$CI_COMMIT_SHORT_SHA -t ${DOCKER_IMAGE_BUILD} -t ${DOCKER_IMAGE_LATEST} -t ${DOCKERHUB_IMAGE_BUILD} -t ${DOCKERHUB_IMAGE_LATEST} .
  after_script:
    - rm -f .git-credentials
    - docker buildx rm "${DOCKERX_BUILD_CONTEXT}"
    - docker logout "${CI_REGISTRY}"
  only:
    - main
    - tags
    - schedules