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Use Case
Type: Web Application Stack
Typical Use Case: High-performance APIs
Famous Usage: Uber

⚡ FastAPI Stack

FastAPI · PostgreSQL · Uvicorn

F

FastAPI

Async Web Framework
  • ASGI, async-first
  • Pydantic validation
  • Automatic OpenAPI docs
↓
U

Uvicorn

ASGI Server
  • High-performance ASGI
  • WebSocket & HTTP/2 support
  • Event loop with uvloop
↓
P

PostgreSQL

Relational Database
  • ACID transactions
  • Advanced SQL & indexing
  • JSONB and extensions
Request Flow: Client Browser → Uvicorn (ASGI) → FastAPI (App Logic & Validation) → PostgreSQL (Data) → FastAPI → Uvicorn → Client