fastapi-middleware-toolkit¶

Reusable FastAPI middleware: CORS, error handlers, cache control, lifespan, health checks.

Installation¶

pip install fastapi-middleware-toolkit

Public API¶

Function/Class	Purpose
`setup_cors_middleware(app, allowed_origins, ...)`	CORS with secure defaults
`setup_error_handlers(app, custom_exception_class)`	Global error handlers
`CacheControlMiddleware`	Default Cache-Control headers
`setup_cache_control_middleware(app)`	Register cache control
`create_lifespan_manager(on_startup, on_shutdown)`	Lifespan context manager
`create_health_check_endpoint(service_name, version)`	Health check factory

Usage¶

from fastapi import FastAPI
from fastapi_middleware_toolkit import (
    setup_cors_middleware,
    setup_error_handlers,
    create_lifespan_manager,
)

lifespan = create_lifespan_manager(service_name="api")
app = FastAPI(lifespan=lifespan)
setup_cors_middleware(app, ["http://localhost:3000"])
setup_error_handlers(app)