docker.yaml

name: Build Multi-Arch Docker Image

on:
  pull_request:
    branches: [main]
  push:
    branches: [main]
    tags:
      - "[0-9]+.[0-9]+.[0-9]+"
      - "[0-9]+.[0-9]+.[0-9]+-rc.[0-9]+"

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      packages: write
      id-token: write

    steps:
      - name: Checkout source
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      # No SSH or deploy keys required; all modules are public

      - name: lowercase github.repository
        run: |
          echo "IMAGE_NAME=${GITHUB_REPOSITORY@L}" >> ${GITHUB_ENV}

      - name: Log in to GitHub Container Registry (GHCR)
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Configure AWS credentials
        uses: aws-actions/configure-aws-credentials@v4
        with:
          role-to-assume: ${{ vars.AWS_NAS_PROD_ECR_PUSH_ROLE }}
          aws-region: ${{ vars.AWS_NAS_PROD_REGION }}

      - name: Login to Amazon ECR
        id: login-ecr
        uses: aws-actions/amazon-ecr-login@v2

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ghcr.io/${{ env.IMAGE_NAME }}
            ${{ steps.login-ecr.outputs.registry }}/nex
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=sha
            type=ref,event=branch
            type=raw,value=latest,enable=${{ startsWith(github.ref, 'refs/tags/') && !contains(github.ref, '-rc') }}

      - name: Build and optionally push multi-arch image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile
          push: ${{ github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/') }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          platforms: linux/amd64,linux/arm64
          cache-from: type=gha,scope=${{ github.ref_name }}
          cache-to: type=gha,mode=max,scope=${{ github.ref_name }}