build.yml

name: ci

on:
  push:
    branches:
      - "main"
  workflow_dispatch:

jobs:
  docker:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        platform: [linux/amd64, linux/arm64]
    steps:
      - name: Check out the repo
        uses: actions/checkout@v3
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
      - name: Log in to GitHub Docker Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Extract platform info
        id: platform
        run: echo "arch=$(echo ${{ matrix.platform }} | cut -d'/' -f2)" >> $GITHUB_OUTPUT
      - name: Build container image
        uses: docker/build-push-action@v6
        with:
          push: true
          platforms: ${{ matrix.platform }}
          cache-from: type=registry,ref=ghcr.io/${{ github.repository_owner }}/game-server-node:buildcache-${{ steps.platform.outputs.arch }}
          cache-to: type=registry,ref=ghcr.io/${{ github.repository_owner }}/game-server-node:buildcache-${{ steps.platform.outputs.arch }},mode=max
          tags: |
            ghcr.io/${{ github.repository_owner }}/game-server-node:${{ github.sha }}-${{ steps.platform.outputs.arch }}
            ghcr.io/${{ github.repository_owner }}/game-server-node:latest-${{ steps.platform.outputs.arch }}
  merge:
    needs: docker
    runs-on: ubuntu-latest
    steps:
      - name: Log in to GitHub Docker Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Create manifest list and push
        run: |
          docker buildx imagetools create -t ghcr.io/${{ github.repository_owner }}/game-server-node:latest \
            ghcr.io/${{ github.repository_owner }}/game-server-node:latest-amd64 \
            ghcr.io/${{ github.repository_owner }}/game-server-node:latest-arm64
          docker buildx imagetools create -t ghcr.io/${{ github.repository_owner }}/game-server-node:${{ github.sha }} \
            ghcr.io/${{ github.repository_owner }}/game-server-node:${{ github.sha }}-amd64 \
            ghcr.io/${{ github.repository_owner }}/game-server-node:${{ github.sha }}-arm64