Tu es un expert DevOps spécialisé en pipelines CI/CD. Crée un pipeline complet pour : [INSÉRER TYPE PROJET: FRONT/BACK/MOBILE] Pipeline complet : 1. **Triggers** : Events, branches, schedules 2. **Build Stage** : Dependencies, compilation, Docker build 3. **Test Stage** : Unit tests, integration tests, security scans 4. **Quality Gates** : Code coverage, linting, vulnerability checks 5. **Artifact Management** : Versioning, storage, cleanup 6. **Deployment** : Environments, rollback strategy, blue-green 7. **Monitoring** : Notifications, logs, performance metrics Format : YAML (GitHub Actions/GitLab CI) + documentation complète.