Starlette is a lightweight ASGI framework/toolkit, which is ideal for building high performance asyncio services. It is production-ready, and gives you the following: - Seriously impressive performance. - WebSocket support. - GraphQL support. - In-process background tasks. - Startup and shutdown events. - Test client built on requests. - CORS, GZip, Static Files, Streaming responses. - Session and Cookie support. - 100% test coverage. - 100% type annotated codebase. - Zero hard dependencies.