name: docker

on:
    push:
        branches:
            - master

jobs:
    build-docker-image:
        runs-on: ubuntu-18.04
        steps:
            - uses: actions/checkout@master

            - name: Dockerhub login
              env:
                  DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
                  DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
              run: |
                  echo "${DOCKER_PASSWORD}" | docker login --username ${DOCKER_USERNAME} --password-stdin

            - name: Build Docker Buildx
              run: |
                  export DOCKER_BUILDKIT=1;
                  docker build --platform=local -o . git://github.com/docker/buildx;
                  mkdir -p ~/.docker/cli-plugins;
                  mv buildx ~/.docker/cli-plugins/docker-buildx;

            - name: Create Docker Builder
              run: |
                  docker run --rm --privileged multiarch/qemu-user-static --reset -p yes;
                  docker context create node-amd64;
                  docker context create node-arm64;
                  docker buildx create --use --name lighthouse node-amd64;
                  docker buildx create --append --name lighthouse node-arm64;

            - name: Build dockerfile (with push)
              run: |
                  docker buildx build \
                      --platform=linux/amd64,linux/arm64 \
                      --output "type=image,push=true" \
                      --file ./Dockerfile . \
                      --tag sigp/lighthouse:latest