image.yml

---
name: Image

on:
  workflow_dispatch:
  schedule: [{ cron: "25 9 1,15 * *" }] # 9:25 on the 1st and 15th of the month
  push:
    branches: [main]
    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: actions/checkout@v4
      - run: ./script/get-latest-obs.sh docker/obs.deb
        env:
          GITHUB_TOKEN: ${{ github.token }}

      - uses: docker/setup-buildx-action@v3
      - uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - uses: docker/build-push-action@v6
        with:
          context: ./docker
          push: true
          cache-from: type=registry,ref=${{ 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"