Fix jwt-token

docs/DOCKER_DEPLOYMENT.md

@@ -41,6 +41,21 @@ docker-compose ps
 - **Database**: localhost:5432
 - **Redis**: localhost:6379
 
+### Testing Docker Builds
+
+Before running the full docker-compose setup, you can test individual container builds:
+
+```bash
+# Test all builds
+./test-docker-builds.sh     # Linux/Mac
+test-docker-builds.bat      # Windows
+
+# Test individual builds
+docker build -t test-backend ./server
+docker build -t test-frontend ./client
+docker build -f docker/simulator/Dockerfile -t test-simulator .
+```
+
 ## Service Architecture
 
 ```
@@ -220,9 +235,15 @@ docker-compose up -d
 
 #### 2. Frontend Build Issues
 ```bash
+# If npm ci fails (missing package-lock.json)
+# The Dockerfile has been updated to use npm install instead
+
 # Rebuild frontend
 docker-compose build --no-cache frontend
 
+# Test frontend build individually
+docker build -t test-frontend ./client
+
 # Check build logs
 docker-compose logs frontend
 ```