redis migration

Signed-off-by: ale <ale@manalejandro.com>

PROJECT_SUMMARY.md

@@ -2,7 +2,7 @@
 
 ## 📋 Project Overview
 
-**Hasher** is a modern, high-performance hash search and generation tool built with Next.js and powered by Elasticsearch. It provides a beautiful web interface for searching hash values and generating cryptographic hashes from plaintext.
+**Hasher** is a modern, high-performance hash search and generation tool built with Next.js and powered by Redis. It provides a beautiful web interface for searching hash values and generating cryptographic hashes from plaintext.
 
 ### Version: 1.0.0
 ### Status: ✅ Production Ready
@@ -25,7 +25,7 @@
 - Copy-to-clipboard functionality
 
 ### 📊 Backend
-- Elasticsearch 8.x integration
+- Redis integration with ioredis
 - 10-shard index for horizontal scaling
 - RESTful API with JSON responses
 - Automatic index creation and initialization
@@ -52,7 +52,7 @@
 ### Stack
 - **Frontend**: Next.js 16.0, React 19.2, Tailwind CSS 4.x
 - **Backend**: Next.js API Routes, Node.js 18+
-- **Database**: Elasticsearch 8.x
+- **Database**: Redis 6.x+
 - **Language**: TypeScript 5.x
 - **Icons**: Lucide React
 
@@ -68,7 +68,7 @@ hasher/
 │   └── globals.css               # Global styles
 │
 ├── lib/
-│   ├── elasticsearch.ts          # ES client & config
+│   ├── redis.ts                  # Redis client & config
 │   └── hash.ts                   # Hash utilities
 │
 ├── scripts/
@@ -106,7 +106,7 @@ Search for hashes or generate from plaintext
 - **Output**: Hash results or generated hashes
 
 ### GET /api/health
-Check system health and Elasticsearch status
+Check system health and Redis status
 - **Output**: System status and statistics
 
 ---
@@ -139,13 +139,15 @@ npm run index-file wordlist.txt -- --batch-size 500
 
 ### Environment Configuration
 ```bash
-# Optional: Set Elasticsearch endpoint
-export ELASTICSEARCH_NODE=http://localhost:9200
+# Optional: Set Redis connection
+export REDIS_HOST=localhost
+export REDIS_PORT=6379
+export REDIS_PASSWORD=your-password
 ```
 
 ---
 
-## 🗄️ Elasticsearch Configuration
+## 🗄️ Redis Data Structure
 
 ### Index: `hasher`
 - **Shards**: 10 (horizontal scaling)
@@ -220,9 +222,9 @@ export ELASTICSEARCH_NODE=http://localhost:9200
 
 ### Requirements
 - Node.js 18.x or higher
-- Elasticsearch 8.x
+- Redis 6.x or higher
 - 512MB RAM minimum
-- Internet connection for Elasticsearch
+- Redis server (local or remote)
 
 ---
 
@@ -285,7 +287,7 @@ This project is licensed under the MIT License - see the [LICENSE](LICENSE) file
 ## 🙏 Acknowledgments
 
 - Built with [Next.js](https://nextjs.org/)
-- Powered by [Elasticsearch](https://www.elastic.co/)
+- Powered by [Redis](https://redis.io/)
 - Icons by [Lucide](https://lucide.dev/)
 - Styled with [Tailwind CSS](https://tailwindcss.com/)
 
@@ -313,7 +315,7 @@ This project is licensed under the MIT License - see the [LICENSE](LICENSE) file
 ### Completed ✅
 - [x] Core hash search functionality
 - [x] Hash generation from plaintext
-- [x] Elasticsearch integration
+- [x] Redis integration
 - [x] Modern responsive UI
 - [x] Bulk indexing script
 - [x] API endpoints