ufw-docker/.github/workflows/build.yml

name: Build and Push Images

on:
  push:
    tags:
      - '*'
    branches:
      - 'main'

jobs:
  docker:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        variant:
          - name: nf_tables
            use_iptables_legacy: "false"
          - name: legacy
            use_iptables_legacy: "true"
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Log into DockerHub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          username: ${{ github.repository_owner }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

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

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

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ github.repository }}
          tags: |
            type=ref,event=tag,suffix=-${{ matrix.variant.name }}
            type=ref,event=branch,suffix=-${{ matrix.variant.name }}

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          platforms: linux/amd64,linux/arm64/v8
          build-args: |
            use_iptables_legacy=${{ matrix.variant.use_iptables_legacy }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max