Documentation
Architecture Deep Dive
Enterprise production system design for Stackhouse: 100K–10M users, cloud provider analysis, and production architecture.
Stackhouse Enterprise System Design
Document Scope
This design covers both the 100K-user baseline (SMB/Single-tenant) and the 10M-user enterprise architecture (Multi-tenant, Multi-region).
Overview & Traffic Flow
Architecture overview, scale targets, and the full request lifecycle.
Networking
Load balancing, rate limiting, and the security onion model.
Data Layer
PostgreSQL high-availability, PgBouncer, and Redis caching.
Realtime & Storage
WebSocket/SSE messaging and S3-compatible object storage.
AI / RAG
RAG pipeline, embeddings, and the Enterprise AI Brain.
Operations
Observability, CI/CD, disaster recovery, and auto-scaling.
Providers & Costs
Cloud provider comparison, cost tables, GKE manifests, and environment variables.