devaipod/.github/workflows/build-container.yml at main · cgwalters/devaipod · GitHub

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# Build and publish the devaipod container image to ghcr.io
name: Build Container

on:
  push:
    branches: [main]
    tags: ['v*']

permissions:
  contents: read
  packages: write

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build-and-test:
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@v4

      - name: Setup host (newer podman with heredoc support, just)
        uses: bootc-dev/actions/bootc-ubuntu-setup@main

      - name: Build and test container
        run: just container-test

  # Multi-arch build and push (only on push to main or tags)
  push:
    if: github.event_name != 'pull_request'
    needs: build-and-test
    runs-on: ${{ matrix.runner }}
    strategy:
      fail-fast: false
      matrix:
        arch: [amd64, arm64]
        include:
          - arch: amd64
            runner: ubuntu-24.04
          - arch: arm64
            runner: ubuntu-24.04-arm

    steps:
      - uses: actions/checkout@v4

      - name: Setup host (newer podman with heredoc support, just)
        uses: bootc-dev/actions/bootc-ubuntu-setup@main

      - name: Log in to Container Registry
        run: echo "${{ secrets.GITHUB_TOKEN }}" | podman login -u ${{ github.actor }} --password-stdin ${{ env.REGISTRY }}

      - name: Build container
        run: just container-build

      # Retag the locally-built image for the registry.
      # The Justfile builds as localhost/devaipod for local dev; CI needs the
      # registry name so that podman push targets the right destination.
      - name: Tag for registry
        run: podman tag localhost/devaipod:latest ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      - name: Push by digest
        id: push
        run: |
          digest=$(podman push --digestfile /tmp/digest ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest && cat /tmp/digest)
          echo "digest=${digest}" >> "$GITHUB_OUTPUT"
          mkdir -p /tmp/digests
          touch "/tmp/digests/${digest#sha256:}"

      - name: Upload digest
        uses: actions/upload-artifact@v4
        with:
          name: digests-${{ matrix.arch }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1

  # Create multi-arch manifest
  manifest:
    runs-on: ubuntu-24.04
    needs: push
    if: github.event_name != 'pull_request'

    steps:
      - name: Download digests
        uses: actions/download-artifact@v4
        with:
          path: /tmp/digests
          pattern: digests-*
          merge-multiple: true

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=latest,enable={{is_default_branch}}
            type=sha,prefix={{branch}}-,format=short,enable=${{ github.ref_type != 'tag' }}
            type=ref,event=tag

      - name: Log in to Container Registry
        run: echo "${{ secrets.GITHUB_TOKEN }}" | podman login -u ${{ github.actor }} --password-stdin ${{ env.REGISTRY }}

      - name: Create and push manifest
        run: |
          tags=$(echo '${{ steps.meta.outputs.tags }}' | tr '\n' ' ')
          digests=$(cd /tmp/digests && printf '${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@sha256:%s ' *)
          for tag in $tags; do
            podman manifest create "$tag" $digests
            podman manifest push "$tag" "$tag"
          done

      - name: Inspect image
        run: podman manifest inspect ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }}