docker-build.yml

name: Docker

on:
  pull_request:
    branches: [ "main" ]

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: gsa-tts/trestle

permissions:
  contents: read

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@96383f45573cb7f253c731d3b3ab81c87ef81934 # v5.0.0
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          flavor: latest=false
          tags: type=sha

      - name: Build Docker image
        uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09 # v5.0.0
        with:
          context: .
          push: false
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

      - name: Extract Docker metadata - glr variant
        id: meta-glr
        uses: docker/metadata-action@96383f45573cb7f253c731d3b3ab81c87ef81934 # v5.0.0
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          flavor: latest=false
          tags: type=raw,value=${{ github.sha }}-glr

      - name: Build and push Docker image - glr variant
        uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09 # v5.0.0
        with:
          context: .
          file: Dockerfile.glr
          build-args: BASE_IMAGE=${{ fromJson(steps.meta.outputs.json).tags[0] }}
          push: false
          tags: ${{ steps.meta-glr.outputs.tags }}
          labels: ${{ steps.meta-glr.outputs.labels }}