How I Built a Real-Time DDoS Detection System with Python, Docker, and Nginx (Beginner-Friendly Guide)

👋 Introduction As a beginner stepping into DevOps and cybersecurity, I wanted to build something practical and impactful — not just theory. So I built a real-time DDoS detection and mitigation system that: Monitors live traffic from Nginx logs Detects suspicious spikes using statistics Automatically blocks attacking IPs Sends alerts to Slack Displays everything on a live dashboard In this post, I’ll walk you through exactly how it works — in a simple, beginner-friendly way. 🧠 What Problem Am I