container.yml

name: Container

on:
  push:

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

jobs:
  build:
    runs-on: ${{ matrix.runner }}
    strategy:
      matrix:
        include:
          - arch: amd64
            runner: ubuntu-20.04
          - arch: arm64
            runner: arm-4core-linux-ubuntu24.04
    permissions:
      contents: read
      packages: write

    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          sparse-checkout: .

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@c47758b77c9736f4b2ef4073d4d51994fabfe349 # v3.7.1

      - name: Log in to the Container registry
        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata for Docker
        uses: docker/metadata-action@8e5442c4ef9f78752691e2d8f8d19755c6f78e81 # v5.5.1
        id: meta
        with:
          tags: |
            type=sha,format=long
            type=ref,prefix=pr-,event=pr
            type=semver,pattern={{version}},event=tag
            type=semver,pattern={{major}}.{{minor}},event=tag
            type=semver,pattern={{major}},event=tag
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      - name: Build and push Docker image
        uses: docker/build-push-action@4f58ea79222b3b9dc2c8bbdd6debcef730109a75 # v6.9.0
        with:
          file: Dockerfile
          tags: ${{ steps.meta.outputs.tags }}-${{ matrix.arch }}
          push: true
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=registry,ref=ghcr.io/datadog/lading:cache
          cache-to: type=registry,ref=ghcr.io/datadog/lading:cache,mode=max

  manifest:
    name: Create Multi-Arch Manifest
    needs: build
    runs-on: ubuntu-20.04
    permissions:
      contents: read
      packages: write

    steps:
      - name: Log in to Container Registry
        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@c47758b77c9736f4b2ef4073d4d51994fabfe349 # v3.7.1

      - name: Extract Docker Metadata
        uses: docker/metadata-action@8e5442c4ef9f78752691e2d8f8d19755c6f78e81 # v5.5.1
        id: meta
        with:
          tags: |
            type=sha,format=long
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      - name: Create and Push Multiarch Manifest
        run: |
          docker buildx imagetools create \
            --tag ${{ steps.meta.outputs.tags }} \
            ${{ steps.meta.outputs.tags }}-amd64 \
            ${{ steps.meta.outputs.tags }}-arm64