Update readme

README.md

@@ -1,11 +1,11 @@
 # FarmControl WebSocket Service
 
-A WebSocket microservice for FarmControl that handles real-time communication and distributed locking using etcd.
+A WebSocket microservice for FarmControl that handles real-time communication and distributed locking.
 
 ## Features
 
 - Real-time WebSocket communication
-- Distributed locking using etcd
+- Distributed locking
 - Keycloak authentication integration
 - MongoDB integration for user management
 - Event streaming and notifications
@@ -13,8 +13,8 @@ A WebSocket microservice for FarmControl that handles real-time communication an
 ## Prerequisites
 
 - Node.js (v16 or higher)
-- etcd server
 - MongoDB server
+- Redis server
 - Keycloak server (for authentication)
 
 ## Installation
@@ -29,19 +29,6 @@ A WebSocket microservice for FarmControl that handles real-time communication an
 
 The application uses `config.json` for configuration. Update the following sections:
 
-### Etcd Configuration
-
-```json
-{
-  "database": {
-    "etcd": {
-      "host": "localhost",
-      "port": 2379
-    }
-  }
-}
-```
-
 ### MongoDB Configuration
 
 ```json
@@ -84,59 +71,6 @@ npm run dev
 npm start
 ```
 
-## Etcd Setup
-
-### Installation
-
-#### Using Docker
-
-```bash
-docker run -d --name etcd \
-  -p 2379:2379 \
-  -p 2380:2380 \
-  quay.io/coreos/etcd:v3.5.0 \
-  /usr/local/bin/etcd \
-  --advertise-client-urls http://0.0.0.0:2379 \
-  --listen-client-urls http://0.0.0.0:2379
-```
-
-#### Using Homebrew (macOS)
-
-```bash
-brew install etcd
-etcd
-```
-
-#### Using apt (Ubuntu/Debian)
-
-```bash
-sudo apt-get install etcd
-sudo systemctl start etcd
-```
-
-### Verification
-
-Test that etcd is running:
-
-```bash
-curl http://localhost:2379/version
-```
-
-## Migration from Redis
-
-This application was migrated from Redis to etcd. The main changes include:
-
-1. **Stream-like functionality**: Redis streams are replaced with etcd key-value pairs using a prefix pattern
-2. **Hash-like functionality**: Redis hashes are replaced with etcd key-value pairs using a prefix pattern
-3. **Pub/Sub**: Redis pub/sub is replaced with etcd watchers
-4. **Connection management**: Simplified connection handling with automatic reconnection
-
-### Key Differences
-
-- **Data structure**: etcd uses a flat key-value store, so we simulate Redis data structures using key prefixes
-- **Streams**: Instead of Redis streams, we use etcd keys with timestamps and random suffixes
-- **Watching**: etcd watchers provide real-time notifications for key changes
-- **Transactions**: etcd supports atomic operations for distributed locking
 
 ## API Endpoints
 
@@ -153,7 +87,7 @@ The service exposes WebSocket endpoints for:
 ```
 src/
 ├── auth/           # Authentication logic
-├── database/       # Database connections (etcd, mongo)
+├── database/       # Database connections (redis, mongo)
 ├── lock/           # Distributed locking
 ├── notification/   # Notification management
 ├── socket/         # WebSocket handling
@@ -162,7 +96,7 @@ src/
 
 ### Adding New Features
 
-1. **Database operations**: Use the `etcdServer` instance for etcd operations
+1. **Database operations**: Use the `redisServer` instance for Redis operations
 2. **WebSocket events**: Extend the `SocketUser` class
 3. **Authentication**: Extend the `KeycloakAuth` class
 
@@ -170,7 +104,7 @@ src/
 
 ### Common Issues
 
-1. **Etcd connection failed**: Ensure etcd is running on the configured host and port
+1. **Redis connection failed**: Ensure Redis is running on the configured host and port
 2. **Authentication errors**: Verify Keycloak configuration and credentials
 3. **MongoDB connection issues**: Check MongoDB server status and connection string