vol. vii · dm-backend-007

Backend Architecture.

The map of everything behind the API.
launching spring 2026
$39.99
· launch price · free shipping
Request lifecycle — LB → API → Service → DB.
REST / GraphQL / gRPC patterns side-by-side.
Caching layers (CDN / Redis / App).
Database selection matrix — ends the Postgres vs Mongo debate.
31.5" × 15.5"
extended size
3mm neoprene
cushion + grip
300 DPI
dye-sublimation
§ the full brief

The map of everything behind the API.

From load balancer to database query, this mat shows how modern backends fit together. API design patterns, microservices communication, caching strategies, message queues, and the database selection guide that ends the "Postgres vs Mongo" debate.

What's on it
Request lifecycle (LB → API Gateway → Service → DB), API design patterns (REST/GraphQL/gRPC), microservices communication, caching layers (CDN/Redis/App), message queue patterns, database selection matrix, connection pooling, and rate limiting strategies.
Who it's for
Backend developers, full-stack engineers, and anyone designing systems that need to scale. Great study companion for system design interviews.
The details
31.5" × 15.5" extended desk mat. Micro-woven polyester, 3mm neoprene, non-slip rubber. Dye sublimation, machine washable. Dark theme.

Companion poster: System Design Interview Map. quux.shop

First drop, first in line.

One email when this mat goes live. Early-access pricing on the first 100 orders, one-time, no follow-ups.