Unified server for docker

DOCKER-README.md

@@ -21,7 +21,7 @@ This guide explains how to use Docker to build and run the Svelte MUD client.
 
 3. Access the application:
    - Web interface: http://localhost:3000
-   - WebSocket server: ws://localhost:3001/mud-ws
+   - WebSocket server: ws://localhost:3000/mud-ws (both services now run on the same port)
 
 ## Docker Commands
 
@@ -63,9 +63,8 @@ docker-compose logs -f svelte-mud
 
 ## Configuration
 
-The Docker setup uses the following ports:
-- Port 3000: Web server
-- Port 3001: WebSocket server
+The Docker setup uses a single port for both the web interface and WebSocket server:
+- Port 3000: Unified server (Web + WebSocket)
 
 You can modify these ports in the `docker-compose.yml` file if needed.
 
@@ -80,7 +79,7 @@ services:
   svelte-mud:
     environment:
       - NODE_ENV=production
-      - WS_PORT=3001
+      - PORT=3000
       # Add your custom environment variables here
 ```
 
@@ -93,8 +92,8 @@ The default configuration is optimized for production use. It:
 
 ## Troubleshooting
 
-1. **Port conflicts**: If ports 3000 or 3001 are already in use, modify the port mappings in `docker-compose.yml`.
+1. **Port conflicts**: If port 3000 is already in use, modify the port mapping in `docker-compose.yml`.
 
 2. **Build failures**: Ensure that all dependencies are properly defined in your package.json.
 
-3. **Connection issues**: If you can't connect to the WebSocket server, verify that your client is using the correct URL format: `ws://localhost:3001/mud-ws?host=YOUR_MUD_HOST&port=YOUR_MUD_PORT`.
+3. **Connection issues**: If you can't connect to the WebSocket server, verify that your client is using the correct URL format: `ws://localhost:3000/mud-ws?host=YOUR_MUD_HOST&port=YOUR_MUD_PORT`.