name: Build and Deploy

on:
  push:
    branches: [main]

# Cancel any in-progress run when a new one is triggered
concurrency:
  group: deploy-${{ github.ref }}
  cancel-in-progress: true

env:
  REGISTRY: git.mcintire.me
  IMAGE: git.mcintire.me/graham/aprs.me

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    outputs:
      image_tag: ${{ steps.tag.outputs.image_tag }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Compute image tag
        id: tag
        run: |
          TIMESTAMP=$(date +%s)
          SHA=${GITHUB_SHA:0:7}
          echo "image_tag=main-${TIMESTAMP}-${SHA}" >> "$GITHUB_OUTPUT"

      - name: Log in to registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: |
            ${{ env.IMAGE }}:${{ steps.tag.outputs.image_tag }}
            ${{ env.IMAGE }}:main
          cache-from: type=registry,ref=${{ env.IMAGE }}:main
          cache-to: type=inline