Update Dockerfile

Dockerfile

@@ -18,11 +18,14 @@ RUN curl -fsSL https://deb.nodesource.com/setup_18.x | bash - && \
 COPY package*.json ./
 
 # Install the Node.js dependencies
-RUN npm install --only=production
+RUN npm install
 
 # Copy the Flask application code to the working directory
 COPY . .
 
+# Copy the public directory (if exists)
+COPY public /app/public
+
 # Build the React application
 RUN npm run build