build.yml

name: build
on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main
  release:
    types:
      - created

env:
  IMAGE_OWNER: zyclonite
  IMAGE_NAME: caddy
  STORAGE_DRIVER: overlay

jobs:
  build:
    name: Build images
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix:
        platform: [
          {name: "linux/amd64", tag: "amd64"},
          {name: "linux/arm64/v8", tag: "arm64v8"}
        ]
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install qemu dependency
        run: |
          sudo apt-get update
          sudo apt-get install -y qemu-user-static

      - name: Build Image
        run: buildah bud --platform ${{ matrix.platform.name }} -f ./Dockerfile -t ${{ env.IMAGE_NAME }}:${{ matrix.platform.tag }} .

      - name: Check images created
        run: buildah images | grep '${{ env.IMAGE_NAME }}'

      - name: Check image metadata
        run: buildah inspect ${{ env.IMAGE_NAME }}:${{ matrix.platform.tag }} | jq ".OCIv1.architecture"

      - name: Export image
        run: podman save -o /tmp/image.tar ${{ env.IMAGE_NAME }}:${{ matrix.platform.tag }}

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: image-${{ matrix.platform.tag }}
          path: /tmp/image.tar

  push:
    name: Publish images
    runs-on: ubuntu-22.04
    needs: build
    environment: production
    steps:
      - name: Download artifacts
        uses: actions/download-artifact@v4

      - name: Setup podman and buildah
        uses: zyclonite/setup-podman@v1

      - name: Import images
        run: |
          podman load -i ./image-amd64/image.tar
          podman load -i ./image-arm64v8/image.tar

      - name: Create multi-arch manifest
        run: |
          buildah manifest create ${{ env.IMAGE_NAME }}:latest
          buildah manifest add --arch amd64 ${{ env.IMAGE_NAME }}:latest ${{ env.IMAGE_NAME }}:amd64
          buildah manifest add --arch arm64 --variant v8 ${{ env.IMAGE_NAME }}:latest ${{ env.IMAGE_NAME }}:arm64v8

      - name: Push unstable images
        if: ${{ github.event_name == 'push' }}
        run: |
          buildah manifest push --all --format v2s2 --creds zyclonite:${{ secrets.REGISTRY_PASSWORD }} ${{ env.IMAGE_NAME }}:latest docker://docker.io/${{ env.IMAGE_OWNER }}/${{ env.IMAGE_NAME }}:main
          buildah manifest push --all --creds zyclonite:${{ secrets.QUAY_PASSWORD }} ${{ env.IMAGE_NAME }}:latest docker://quay.io/${{ env.IMAGE_OWNER }}/${{ env.IMAGE_NAME }}:main
          buildah manifest push --all --creds zyclonite:${{ secrets.GITHUB_TOKEN }} ${{ env.IMAGE_NAME }}:latest docker://ghcr.io/${{ env.IMAGE_OWNER }}/${{ env.IMAGE_NAME }}:main

      - name: Push stable images
        if: ${{ github.event_name == 'release' }}
        run: |
          buildah manifest push --all --format v2s2 --creds zyclonite:${{ secrets.REGISTRY_PASSWORD }} ${{ env.IMAGE_NAME }}:latest docker://docker.io/${{ env.IMAGE_OWNER }}/${{ env.IMAGE_NAME }}:latest
          buildah manifest push --all --format v2s2 --creds zyclonite:${{ secrets.REGISTRY_PASSWORD }} ${{ env.IMAGE_NAME }}:latest docker://docker.io/${{ env.IMAGE_OWNER }}/${{ env.IMAGE_NAME }}:${{ github.event.release.tag_name }}
          buildah manifest push --all --creds zyclonite:${{ secrets.QUAY_PASSWORD }} ${{ env.IMAGE_NAME }}:latest docker://quay.io/${{ env.IMAGE_OWNER }}/${{ env.IMAGE_NAME }}:latest
          buildah manifest push --all --creds zyclonite:${{ secrets.QUAY_PASSWORD }} ${{ env.IMAGE_NAME }}:latest docker://quay.io/${{ env.IMAGE_OWNER }}/${{ env.IMAGE_NAME }}:${{ github.event.release.tag_name }}
          buildah manifest push --all --creds zyclonite:${{ secrets.GITHUB_TOKEN }} ${{ env.IMAGE_NAME }}:latest docker://ghcr.io/${{ env.IMAGE_OWNER }}/${{ env.IMAGE_NAME }}:latest
          buildah manifest push --all --creds zyclonite:${{ secrets.GITHUB_TOKEN }} ${{ env.IMAGE_NAME }}:latest docker://ghcr.io/${{ env.IMAGE_OWNER }}/${{ env.IMAGE_NAME }}:${{ github.event.release.tag_name }}