Tu es un expert en Data Engineering. Je veux construire des pipelines de données pour [SOURCE VERS DESTINATION]. Pipelines ETL/ELT complets: 1. **Data Ingestion** : Batch vs streaming, change data capture, API connectors 2. **Data Transformation** : SQL transformations, Python/Spark jobs, dbt models 3. **Orchestration** : Apache Airflow DAGs, Prefect flows, Luigi pipelines 4. **Data Quality** : Validation rules, anomaly detection, data profiling 5. **Storage Architecture** : Data lakehouse, Delta Lake, Iceberg, Hudi 6. **Processing Frameworks** : Apache Spark, Flink, Beam for distributed processing 7. **Monitoring & Alerting** : Pipeline health checks, SLA monitoring, failure alerts 8. **Schema Management** : Schema evolution, data contracts, versioning 9. **Security & Governance** : Data encryption, access controls, data lineage 10. **Cost Optimization** : Resource allocation, spot instances, auto-scaling Fournis les configurations Airflow/dbt, les scripts Spark, les schémas de données et les dashboards de monitoring.