build-container.yml

name: Build and Push Docker Image

on:
  push:
    branches:
      - main
    tags:
      - 'v*'
  pull_request:
    branches:
      - main

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

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

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

      - name: Log in to Container Registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=sha

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Create Release
        if: startsWith(github.ref, 'refs/tags/v')
        uses: softprops/action-gh-release@v1
        with:
          generate_release_notes: true
          body: |
            ## Container Image
            - **Registry**: ${{ env.REGISTRY }}
            - **Image**: ${{ env.IMAGE_NAME }}
            - **Tag**: ${{ github.ref_name }}
            
            ### Contenu du container
            - ✓ Debian Bookworm Slim
            - ✓ htop (moniteur de processus)
            - ✓ zsh (shell)
            - ✓ curl, wget, git (outils utiles)