name: Build on push

on:
    push:
        branches:
            - master

env:
  DOCKER_CLI_EXPERIMENTAL: enabled

jobs:
  build:
    name: Build image
    runs-on: ubuntu-20.04

    steps:
      - name: Checkout project
        uses: actions/checkout@v2


      - name: Set env variables
        run: echo "BRANCH=$(echo ${GITHUB_REF#refs/heads/} | sed 's/\//-/g')" >> $GITHUB_ENV

      - name: Login to Docker Hub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1
        id: qemu

      - name: Setup Docker buildx action
        uses: docker/setup-buildx-action@v1
        id: buildx

      - name: Show available Docker buildx platforms
        run: echo ${{ steps.buildx.outputs.platforms }}

     
      - name: Run Docker buildx
        run: |
                docker buildx build \
                --cache-from "type=local,src=/tmp/.buildx-cache" \
                --cache-to "type=local,dest=/tmp/.buildx-cache" \
                --platform linux/arm64,linux/amd64 \
                --tag ${{ secrets.DOCKER_CONTAINER_USERNAME }}/lndhub:$BRANCH \
                --output "type=registry" ./