name: Docker Publish

# Chaîné sur la CI : l'image :latest n'est publiée que si analyze/test/build
# sont verts sur main. L'ancien déclencheur `push: [main]` tournait en
# parallèle de la CI et pouvait publier une image cassée.
on:
  workflow_run:
    workflows: [CI]
    types: [completed]
    branches: [main]
  workflow_dispatch:

env:
  IMAGE_NAME: ghcr.io/r0m1k3/xtremflow

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    if: >-
      github.event_name == 'workflow_dispatch' ||
      github.event.workflow_run.conclusion == 'success'
    permissions:
      contents: read
      packages: write
    steps:
      - uses: actions/checkout@v4
        with:
          # Sur workflow_run, github.sha pointe sur le commit du workflow
          # par défaut : construire exactement le commit validé par la CI.
          ref: ${{ github.event.workflow_run.head_sha || github.sha }}

      - uses: docker/setup-buildx-action@v3

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

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          file: Dockerfile
          push: true
          tags: |
            ${{ env.IMAGE_NAME }}:latest
            ${{ env.IMAGE_NAME }}:${{ github.event.workflow_run.head_sha || github.sha }}
          cache-from: type=gha
          cache-to: type=gha,mode=max