8.7. Data And RAG Flow

Ingestion, document processing, object storage, vector and graph stores, backend APIs, Open WebUI, and tool/MCP-adjacent flows.

1. Diagram

Open the full-size diagram.

2. Notes

Backend is not the only writer into these stores. LightRAG writes directly to Neo4j over Bolt and to Supabase pgvector. Other MinIO consumers (the Iceberg pipeline, asset-worker) write with their own scoped IAM credentials. This view shows only Backend's ingestion path.

3. Source Files

• services/weaviate/service.yml
• services/backend/service.yml
• services/lightrag/service.yml