Update README.md

README.md

-# LEK
+# 🚀 ELK Stack– Elasticsearch Logstash Kibana
 
-Logstash
-Elasticsearch
-Kibana
+A lightweight, developer-friendly stack combining **Elasticsearch**, **Logstash**, **Kibana**, and a **Flask API** for centralized logging and visualization. Ideal for local development, prototyping, and log analytics dashboards.
+
+## 🔧 What's Inside
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+
+- 📦 **Elasticsearch** – Search and analytics engine
+- 📊 **Kibana** – Visualize and explore logs
+- 🪵 **Logstash** – Log processor and shipper
+- 🌐 **Flask** – REST API with Swagger docs
+- 🐳 **Docker Compose** – One command spin-up
+- ⏱ **wait-for-it.sh** – Service dependency handling
+
+## 🚀 Quick Start
+
+```bash
+docker-compose up