FastAPI

Integration Cheatsheet 01 — Full-Stack Project Skeleton

Cheatsheet: directory layout, pyproject, lifespan, db / settings / models / api wiring.

FastAPI Cheatsheet 01 — Routing, Path Operations, and Routers

Cheatsheet: GET/POST/etc decorators, path/query/body/header/cookie/form/file params, APIRouter, prefixes, dependencies on routers, and url_path_for.

FastAPI Textbook Ch. 1 — Introduction, Architecture, and the ASGI Foundation

FastAPI architecture: ASGI, Starlette, Pydantic, dependency injection, and the design choices that make it tick.

Integration Cheatsheet 02 — Full Request Lifecycle

Cheatsheet: trace a request from socket to response through all four libraries.

FastAPI Cheatsheet 02 — Pydantic Request Validation

Cheatsheet: BaseModel, Field, validators, custom errors, nested, discriminated unions, strict mode at the boundary.

FastAPI Textbook Ch. 2 — Routing, Path Operations, and the Request Anatomy

Path operations, parameter declaration (path / query / body / header / cookie / form / file), routers, prefixes, dependencies on routers, and request internals.

Integration Cheatsheet 03 — Pydantic ↔ SQLAlchemy Mapping

Cheatsheet: schema vs model separation, partial updates, ORM-to-API conversion, nested relations.

FastAPI Cheatsheet 03 — Response Models, Serialization, and Status Codes

Cheatsheet: response_model, exclusion, custom encoders, JSON / HTML / Streaming / File responses, status codes, headers.

FastAPI Textbook Ch. 3 — Pydantic Models and Request Validation

Request validation with Pydantic v2: BaseModel, Field, validators, custom types, error responses, nested models, discriminated unions, and the FastAPI integration.

Integration Cheatsheet 04 — Alembic + FastAPI Workflow

Cheatsheet: model change → autogenerate → review → upgrade → ship.