docker-image.yml

name: Docker Image CI

on:
  push:
    branches: [ "main" ]
  pull_request:
    branches: [ "main" ]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Set variables
        id: vars
        run: |
          PKGVER=$(grep ENV Dockerfile | cut -d" " -f 3)
          echo "PKGVER=$PKGVER" >> $GITHUB_ENV
      -
        name: Login to Docker Hub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      -
        name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ secrets.DOCKERHUB_USERNAME }}/syncthing-relay:${{ env.PKGVER }},${{ secrets.DOCKERHUB_USERNAME }}/syncthing-relay:latest