image: docker:latest
services:
  - docker:dind

stages:
  - build

variables:
  IMAGE: registry.gitlab.com/bockiii/deemix-docker
  IMAGE_TAG: latest
  DOCKER_CLI_EXPERIMENTAL: enabled

before_script:
  - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
  - apk add --update curl && rm -rf /var/cache/apk/*
  - export CI_JOB_TIMESTAMP=$(date --utc -Iseconds)

build:
  stage: build
  script:
    - docker run --rm --privileged multiarch/qemu-user-static:register --reset
    - docker build --pull -f Dockerfile.arm64v8 --build-arg BUILDDATE=$CI_JOB_TIMESTAMP -t $IMAGE:arm64v8-${IMAGE_TAG} .
    - docker build --pull -f Dockerfile.arm32v7 --build-arg BUILDDATE=$CI_JOB_TIMESTAMP -t $IMAGE:arm32v7-${IMAGE_TAG} .
    - docker build --pull --build-arg BUILDDATE=$CI_JOB_TIMESTAMP -t $IMAGE:amd64-${IMAGE_TAG} .
    - docker push $IMAGE:arm64v8-${IMAGE_TAG}
    - docker push $IMAGE:arm32v7-${IMAGE_TAG}
    - docker push $IMAGE:amd64-${IMAGE_TAG}
    - docker manifest create "$IMAGE:${IMAGE_TAG}"
      "$IMAGE:amd64-${IMAGE_TAG}"
      "$IMAGE:arm32v7-${IMAGE_TAG}"
      "$IMAGE:arm64v8-${IMAGE_TAG}"
    - docker manifest annotate "$IMAGE:${IMAGE_TAG}" "$IMAGE:arm32v7-${IMAGE_TAG}" --os=linux --arch=arm   --variant=v7
    - docker manifest annotate "$IMAGE:${IMAGE_TAG}" "$IMAGE:arm64v8-${IMAGE_TAG}" --os=linux --arch=arm64 --variant=v8
      # Push manifest to official registry
    - docker manifest push "$IMAGE:${IMAGE_TAG}"
      # Validate multi-arch manifest
    - docker run --rm mplatform/mquery $IMAGE:${IMAGE_TAG}