image.yml

name: Container image

on:
  push:
    branches:
      - master

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

jobs:
  build:

    strategy:
      matrix:
        platform: [ amd64, arm64 ]

    runs-on: ${{ fromJSON('["warp-ubuntu-latest-x64-4x", "warp-ubuntu-latest-arm64-16x"]')[matrix.platform == 'arm64'] }}
    name: Build container image

    permissions:
      contents: read
      packages: write
      # This is used to complete the identity challenge
      # with sigstore/fulcio when running outside of PRs.
      id-token: write

    steps:
      - uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          driver-opts: |
            network=host

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      - name: Build and push Docker image
        id: push
        uses: docker/build-push-action@v6
        with:
          platforms: linux/${{ matrix.platform }}
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          allow: security.insecure
          cache-from: type=gha,url=http://127.0.0.1:49160/
          cache-to: type=gha,url=http://127.0.0.1:49160/,mode=max

  manifest:

    needs: build
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v3

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      - name: Create and push manifest images
        uses: Noelware/docker-manifest-action@master # or use a pinned version in the Releases tab
        with:
          inputs: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest-amd64,${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest-arm64
          push: true