---
name: 'Build Latest Images'

on:
  push:
    branches:
      - main

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Prepare Image Build
        id: prep_image
        run: |
          DOCKER_IMAGE=ghcr.io/${{ github.actor }}/borg-server
          TAG="${DOCKER_IMAGE}:latest"

          # Set output parameters.
          echo ::set-output name=tags::${TAG}
          echo ::set-output name=docker_image::${DOCKER_IMAGE}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@master
        with:
          platforms: linux/amd64,linux/arm64
#          platforms: all

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@master

      - name: Log in to the GitHub Container registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build Image
        uses: docker/build-push-action@v4
        with:
          builder: ${{ steps.buildx.outputs.name }}
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.prep_image.outputs.tags }}