# Credit -> https://stackoverflow.com/questions/58600986/gitlab-ci-trying-to-use-docker-buildx-to-build-for-arm64

stages:
  - buildx
  - deploy

# build:ARM64:
#   stage: buildx
#   image: docker:latest
#   variables:
#     DOCKER_HOST: tcp://docker:2375/
#     DOCKER_DRIVER: overlay2
#   services:
#     - docker:dind
#   script:
# # Current thinking is to add build the container & tag with both the date
# # in YYYY-mm-dd-h-m-s format as well as "latest":
#     - apk add qemu-aarch64
#     - docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
#     - ls /proc/sys/fs/binfmt_misc/qemu-aarch64
#     - cat /proc/sys/fs/binfmt_misc/qemu-aarch64
#     - wget https://github.com/docker/buildx/releases/download/v0.3.1/buildx-v0.3.1.linux-amd64
#     - mkdir -p ~/.docker/cli-plugins
#     - mv buildx* ~/.docker/cli-plugins/docker-buildx
#     - chmod a+x ~/.docker/cli-plugins/docker-buildx
#     - docker buildx ls
#     - timestamp=$(date +%Y%m%d%H%M%S)
#     - cd $CI_PROJECT_DIR/
#     - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
#     - docker buildx build --platform=linux/arm64 --no-cache . -t minio-arm64
#     - docker tag minio-arm64 registry.gitlab.com/$CI_PROJECT_PATH/minio-arm64:latest
#     - docker tag minio-arm64 registry.gitlab.com/$CI_PROJECT_PATH/minio-arm64:$timestamp
#     - docker push registry.gitlab.com/$CI_PROJECT_PATH/minio-arm64:latest
#     - docker push registry.gitlab.com/$CI_PROJECT_PATH/minio-arm64:$timestamp


buildx:
  image: docker:19.03-git
  stage: buildx
  variables:
    GIT_STRATEGY: none
  artifacts:
    paths:
      - buildx
    expire_in: 1 hour
  services:
    - docker:19.03-dind
  script:
    - export DOCKER_BUILDKIT=1
    - git clone git://github.com/docker/buildx ./docker-buildx
    - docker build --platform=local -o . ./docker-buildx


deploy:
  image: docker:19.03
  stage: deploy
  services:
    - name: docker:19.03-dind
      command: ["--experimental"]
  before_script:
    - mkdir -p ~/.docker/cli-plugins
    - mv buildx ~/.docker/cli-plugins/docker-buildx
    - docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
  script:
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
    - docker buildx create --use --name mybuilder
    - docker buildx build --platform linux/amd64,linux/arm64,linux/arm/v7 --push -t $CI_REGISTRY_IMAGE .