komari-agent/.github/workflows/release-docker.yml

name: Publish Docker Image

on:
  release:
    types: [published]
  workflow_dispatch:

permissions:
  contents: read
  packages: write

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

jobs:
  build-and-push-multi-arch:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

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

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: "1.23"

      - name: Build static binaries for multi-arch
        env:
          GOOS: linux
          CGO_ENABLED: 0
        run: |
          VERSION="${{ github.event.release.tag_name }}"
          if [ -z "$VERSION" ]; then
            VERSION="${{ github.sha }}"
          fi
          LDFLAGS="-s -w -X github.com/komari-monitor/komari-agent/update.CurrentVersion=${VERSION}"

          echo "Building for linux/amd64..."
          GOARCH=amd64 go build -trimpath -ldflags="$LDFLAGS" -o komari-agent-linux-amd64

          echo "Building for linux/arm64..."
          GOARCH=arm64 go build -trimpath -ldflags="$LDFLAGS" -o komari-agent-linux-arm64

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@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
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=${{ github.event.release.tag_name }}
            type=raw,value=latest

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          platforms: linux/amd64,linux/arm64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}