name: Docker build & publish

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

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
      - name: Login to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Build
        if: ${{ github.event_name == 'pull_request' }}
        uses: docker/build-push-action@v3
      - name: Build & publish
        if: ${{ github.event_name == 'push' }}
        uses: docker/build-push-action@v3
        with:
          push: true
          tags: peerjs/peerjs-server-test:nightly