Update Dockerfile

Dockerfile

@@ -11,24 +11,19 @@ RUN apt-get update && apt-get install -y \
     g++ \
     && rm -rf /var/lib/apt/lists/*
 
-# Copy backend files
-COPY backend/package*.json ./backend/
-WORKDIR /app/backend
-RUN npm install --production
+# Copy all files first
+COPY . .
 
-# Copy backend source
-COPY backend/ ./
+# Install backend dependencies
+WORKDIR /app/backend
+RUN npm install --omit=dev
 
-# Copy frontend files  
+# Install frontend dependencies and build
 WORKDIR /app/frontend
-COPY frontend/package*.json ./
 RUN npm install
-
-# Copy frontend source and build
-COPY frontend/ ./
 RUN npm run build
 
-# Back to app root
+# Back to root
 WORKDIR /app
 
 # Expose port 7860 (required by Hugging Face)
@@ -39,4 +34,4 @@ HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
   CMD node -e "require('http').get('http://localhost:7860/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"
 
 # Start the application
-CMD ["node", "backend/server.js"]
+CMD ["node", "/app/backend/server.js"]