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API design & gRPC

REST best practices, protobuf, API versioning, and backward-compatible service contracts.

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API design & gRPC easy

How to Build a WebSocket Echo Server in Python with asyncio

Create a simple WebSocket echo server using the websockets library and asyncio to handle concurrent connections.

websockets asyncio server
Python 
import asyncio
import websockets

async def echo(websocket):
    async for message in websocket:
        await websocket.send(f"Echo: {message}")

async def main():
    async with websockets.serve(echo, "localhost", 8765):
        print("WebSocket server started on ws://localhost:8765")
        await asyncio.Future() …
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