Fix Docker port configuration

DEPLOYMENT.md

@@ -28,7 +28,7 @@ cd <repo-name>
 docker-compose up -d
 ```
 
-The application will be available at: **http://localhost:8080**
+The application will be available at: **http://localhost:8183**
 
 ### 3. Stop the application
 
@@ -83,7 +83,7 @@ Click the "Check Prices Now" button in the Alerts tab to manually trigger price
 
 ```bash
 # Check prices every hour
-0 * * * * curl -X POST http://localhost:8080/functions/v1/check-prices
+0 * * * * curl -X POST http://localhost:8183/functions/v1/check-prices
 ```
 
 ## Architecture
@@ -116,11 +116,10 @@ The app uses Lovable Cloud which is pre-configured. No additional environment se
 
 ### Port Configuration
 
-Default port is 8080. To change it, edit `docker-compose.yml`:
+Default port is 8183. To change it, edit `nginx.conf`:
 
-```yaml
-ports:
-  - "YOUR_PORT:80"
+```nginx
+listen YOUR_PORT;
 ```
 
 ## Development