new redis migration

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

TESTING.md

@@ -9,7 +9,7 @@ This guide will help you quickly set up and test the Hasher application.
 Ensure you have:
 - ✅ Node.js 18.x or higher (`node --version`)
 - ✅ npm (`npm --version`)
-- ✅ Elasticsearch running on `localhost:9200`
+- ✅ Redis running on `localhost:6379`
 
 ### 2. Installation
 
@@ -26,7 +26,7 @@ npm run dev
 
 The application will be available at: **http://localhost:3000**
 
-### 3. Verify Elasticsearch Connection
+### 3. Verify Redis Connection
 
 ```bash
 # Check health endpoint
@@ -37,7 +37,15 @@ Expected response:
 ```json
 {
   "status": "ok",
-  "elasticsearch": { ... }
+  "redis": {
+    "version": "7.x",
+    "memory": "1.5M",
+    "dbSize": 0
+  },
+  "stats": {
+    "count": 0,
+    "size": 0
+  }
 }
 ```
 
@@ -86,20 +94,18 @@ npm run index-file sample-wordlist.txt
 ```
 📚 Hasher Indexer
 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
-Elasticsearch: http://localhost:9200
-Index: hasher
+Redis: localhost:6379
 File: sample-wordlist.txt
 Batch size: 100
+Duplicate check: enabled
 
-🔗 Connecting to Elasticsearch...
+🔗 Connecting to Redis...
 ✅ Connected successfully
 
 📖 Reading file...
 ✅ Found 20 words/phrases to process
 
-⏳ Progress: 20/20 (100.0%) - Indexed: 20, Errors: 0
-
-🔄 Refreshing index...
+⏳ Progress: 20/20 (100.0%) - Indexed: 20, Skipped: 0, Errors: 0
 
 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 ✅ Indexing complete!
@@ -185,13 +191,13 @@ fetch('/api/search', {
 - [ ] Results display correctly
 
 ### Data Persistence
-- [ ] New plaintext is saved to Elasticsearch
+- [ ] New plaintext is saved to Redis
 - [ ] Saved hashes can be found in subsequent searches
 - [ ] Bulk indexing saves all entries
-- [ ] Index is created automatically if missing
+- [ ] Redis keys are created with proper patterns
 
 ### Error Handling
-- [ ] Elasticsearch connection errors are handled
+- [ ] Redis connection errors are handled
 - [ ] Empty search queries are prevented
 - [ ] Invalid input is handled gracefully
 - [ ] Network errors show user-friendly messages
@@ -200,15 +206,16 @@ fetch('/api/search', {
 
 ## 🐛 Common Issues & Solutions
 
-### Issue: Cannot connect to Elasticsearch
+### Issue: Cannot connect to Redis
 
 **Solution**:
 ```bash
-# Check if Elasticsearch is running
-curl http://localhost:9200
+# Check if Redis is running
+redis-cli ping
 
-# If not accessible, update the environment variable
-export ELASTICSEARCH_NODE=http://your-elasticsearch-host:9200
+# If not accessible, update the environment variables
+export REDIS_HOST=localhost
+export REDIS_PORT=6379
 npm run dev
 ```
 
@@ -242,33 +249,34 @@ npm run index-file -- "$(pwd)/sample-wordlist.txt"
 
 ---
 
-## 📊 Verify Data in Elasticsearch
+## 📊 Verify Data in Redis
 
-### Check Index Stats
+### Check Database Size
 ```bash
-curl http://localhost:9200/hasher/_stats?pretty
+redis-cli DBSIZE
 ```
 
-### Count Documents
+### Get Statistics
 ```bash
-curl http://localhost:9200/hasher/_count?pretty
+redis-cli HGETALL hash:stats
 ```
 
 ### View Sample Documents
 ```bash
-curl http://localhost:9200/hasher/_search?pretty&size=5
+# List first 10 document keys
+redis-cli --scan --pattern "hash:plaintext:*" | head -10
+
+# Get a specific document
+redis-cli GET "hash:plaintext:password"
 ```
 
 ### Search Specific Hash
 ```bash
-curl http://localhost:9200/hasher/_search?pretty -H 'Content-Type: application/json' -d'
-{
-  "query": {
-    "term": {
-      "md5": "5f4dcc3b5aa765d61d8327deb882cf99"
-    }
-  }
-}'
+# Find document by MD5 hash
+redis-cli GET "hash:index:md5:5f4dcc3b5aa765d61d8327deb882cf99"
+
+# Then get the full document
+redis-cli GET "hash:plaintext:password"
 ```
 
 ---
@@ -329,7 +337,7 @@ Create `search.json`:
 - [ ] CORS configuration
 - [ ] Rate limiting (if implemented)
 - [ ] Error message information disclosure
-- [ ] Elasticsearch authentication (if enabled)
+- [ ] Redis authentication (if enabled)
 
 ---
 
@@ -339,7 +347,7 @@ Before deploying to production:
 
 - [ ] All tests passing
 - [ ] Environment variables configured
-- [ ] Elasticsearch secured and backed up
+- [ ] Redis secured and backed up (RDB/AOF)
 - [ ] SSL/TLS certificates installed
 - [ ] Error logging configured
 - [ ] Monitoring set up
@@ -357,7 +365,7 @@ Before deploying to production:
 
 ## Environment
 - Node.js version: 
-- Elasticsearch version: 
+- Redis version: 
 - Browser(s) tested: 
 
 ## Test Results