main.yml

name: build

on:
  pull_request:
    branches:
      - main
  workflow_dispatch:

# cancel older, redundant runs of same workflow on same branch
concurrency:
  group: ${{ github.workflow }}-${{github.event_name}}-${{ github.head_ref || github.ref_name }}
  cancel-in-progress: true

env: {}

jobs:
  build:
    name: Build Project for All Platforms
    # allow fors to opt-out of time-consuming macOS builds
    runs-on: ubuntu-latest
    steps:
      - name: Git Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Set Up QEMU
        uses: docker/setup-qemu-action@v3
        with:
          platforms: amd64,arm64

      - name: Set Up Docker BuildKit
        id: buildx
        uses: docker/setup-buildx-action@v3

      - name: Build Multi-Platform Container Image to exercise amd64, arm64 builds
        uses: docker/build-push-action@v5
        with:
          builder: ${{ steps.buildx.outputs.name }}
          context: ${{ github.workspace }}/
          platforms: linux/amd64,linux/arm64
          push: false
          cache-from: type=gha
          cache-to: type=gha,mode=max