name: Build and Publish Docker Images

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

jobs:
  setup:
    runs-on: ubuntu-latest
    outputs:
      branch: ${{ steps.get-git-context.outputs.branch }}
      commit: ${{ steps.get-git-context.outputs.commit }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

      - name: Get Git Context
        id: get-git-context
        uses: actions/github-script@v6
        with:
          script: |
            const branch = github.ref.split('/').pop();
            const commit = github.sha;
            core.setOutput('branch', branch);
            core.setOutput('commit', commit);

  build:
    needs: setup
    runs-on: ubuntu-latest
    strategy:
      matrix:
        dockerfile: ["worker.Dockerfile", "server.Dockerfile"]
        image-name: ["${{ vars.IMAGE_NAME_WORKER }}", "${{ vars.IMAGE_NAME_SERVER }}"]
    steps:
      - name: Build and Push Image
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ${{ matrix.dockerfile }}
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            git.brmartin.co.uk/${{ matrix.image-name }}:${{ needs.setup.outputs.branch }}
            git.brmartin.co.uk/${{ matrix.image-name }}:${{ needs.setup.outputs.commit }}