name: Publish Docker image
on:
  push:
    branches:
      - main

permissions:
  contents: read
  packages: write

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Resolve git metadata
        id: gitmeta
        run: |
          echo "sha=$(git rev-parse --short=7 HEAD)" >> "$GITHUB_OUTPUT"
          echo "tag=$(git describe --tags --exact-match HEAD 2>/dev/null || true)" >> "$GITHUB_OUTPUT"

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v4
        with:
          context: .
          file: Dockerfile.full
          push: true
          build-args: |
            GIT_COMMIT=${{ steps.gitmeta.outputs.sha }}
            GIT_TAG=${{ steps.gitmeta.outputs.tag }}
          tags: |
            ghcr.io/routstr/proxy:latest
            ghcr.io/routstr/core:latest