name: docker-build-push

on:
  push:
    branches: [main]
  workflow_dispatch:

jobs:
  build-push:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      # act_runner bind-mounts the admin host's real Docker socket into every
      # job container (Docker-outside-of-Docker, not a nested daemon), so
      # `docker` here talks straight to the host's daemon — no separate
      # dockerd to start.
      - name: Build and push image
        env:
          REGISTRY_TOKEN: ${{ secrets.REGISTRY_TOKEN }}
        run: |
          SHA="${{ github.sha }}"
          IMAGE="gitea.blairhaus.net/pmb/yttrx-welcomebot"

          docker build -t "$IMAGE:$SHA" -t "$IMAGE:latest" .
          printf '%s' "$REGISTRY_TOKEN" | docker login gitea.blairhaus.net -u pmb --password-stdin
          docker push "$IMAGE:$SHA"
          docker push "$IMAGE:latest"
          docker logout gitea.blairhaus.net

          echo "pushed $IMAGE:$SHA and $IMAGE:latest"