docker-build-arm64.yml

name: Docker Build Arm64

# This workflow uses actions that are not certified by GitHub.
# They are provided by a third-party and are governed by
# separate terms of service, privacy policy, and support
# documentation.

on:
  workflow_dispatch:
  # pull_request:
  #   paths:
  #     - .github/workflows/docker-build-arm64.yaml

env:
  # Use docker.io for Docker Hub if empty
  REGISTRY: ghcr.io
  # github.repository as <account>/<repo>
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build:
    name: Build Docker image
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Cache HamClock
        id: cache-hamclock
        uses: actions/cache@v4
        with:
          path: ESPHamClock.zip
          key: hamclock

      - name: Download HamClock
        if: steps.cache-hamclock.outputs.cache-hit != 'true'
        run: curl -o ESPHamClock.zip https://www.clearskyinstitute.com/ham/HamClock/ESPHamClock.zip
      
      # Set up QEMU for cross-platform builds
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
        with:
          platforms: linux/arm64

      # Set up BuildKit Docker container builder to be able to build
      # multi-platform images and export cache
      # https://github.com/docker/setup-buildx-action
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      # Log in against to registry
      # https://github.com/docker/login-action
      - name: Log into registry ${{ env.REGISTRY }}
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # Build Docker image with Buildx
      # https://github.com/docker/build-push-action
      - name: Build Docker image
        id: build-and-push
        uses: docker/build-push-action@v6
        with:
          context: .
          file: Dockerfile-CI
          platforms: linux/arm64
          push: true
          tags: ghcr.io/haxwithaxe/hamclock-docker:test-arm64
          no-cache: true