image.yml

name: image

on:
  workflow_dispatch:
  schedule: [{cron: '25 9 * * 3'}] # 9:25 on Wednesdays
  push:
    branches: [master]
    paths:
    - docker/*

env:
  image: ghcr.io/${{ github.repository }}

# https://docs.docker.com/build/ci/github-actions/examples/#registry-cache
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: docker/setup-buildx-action@v2
    - uses: docker/login-action@v2
      with:
        registry: ghcr.io
        username: ${{ github.repository_owner }}
        password: ${{ secrets.GITHUB_TOKEN }}
    - uses: docker/build-push-action@v3
      with:
        context: "{{ defaultContext }}:docker"
        push: true
        cache-from: type=registry,ref=${{ env.image }}:buildcache
        cache-to: type=registry,ref=${{ env.image }}:buildcache,mode=max
        tags: |
          ${{ env.image }}:latest
    - name: Tag with OBS versions included in our image
      run: |
        docker pull ${{ env.image }}:latest
        set -x
        obs_version=$(docker run --rm ${{ env.image }}:latest obs --version | tr -dc '[0-9.]')
        websocket_version=$(docker run --rm ${{ env.image }}:latest timeout 2s xvfb-run obs | grep -Po 'websocket.+Version: \K\d+\.\d+\.\d+')
        version_tagged="${{ env.image }}:$obs_version-$websocket_version"
        docker tag ${{ env.image }}:latest "$version_tagged"
        docker push "$version_tagged"