The Case for Real-Time Viral Alerts

When a video is going viral across European regions, every minute counts. At ViralVidVault , our cron pipeline detects virality spikes across Poland, Netherlands, Sweden, Norway, Austria, and the UK -- but without real-time push, users only see updates on their next page refresh. WebSockets fix that.

Architecture Overview

The data flows through three stages:

Cron detects a virality spike and sends an HTTP POST to the WebSocket server

WebSocket server broadcasts a viral alert to all connected browsers

Clients render a real-time notification with video details

The WebSocket Server

import asyncio import json import websockets from datetime import datetime from typing import Set , Dict

CONNECTIONS : Set [ websockets . WebSocketServerProtocol ] = set () REGION_SUBS : Dict [ str , Set [ websockets . WebSocketServerProtocol ]] = {}

async def handler ( websocket : websockets . WebSocketServerProtocol ): """ Handle client connections with optional region subscription.…