on-merge-into-main.yaml

name: "on merge: build the main branch"

on:
  push:
    branches: [ main ]

jobs:
  build:
    name: Build and push the image
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2

      - name: login to DockerHub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_PASSWORD }}

      - name: build and push image
        # Note: we don't have buildx enabled here,
        #  so the job will produce the regular linux/amd64 image.
        # See https://github.com/docker/build-push-action/blob/master/docs/advanced/multi-platform.md
        #  for more platforms.
        uses: docker/build-push-action@v2
        with:
          context: .
          file: Dockerfile
          push: true
          tags: vpnhouse/tunnel:main