Update Dockerfile

Dockerfile

@@ -1,19 +1,25 @@
-
+# Use an official Node runtime as a parent image
 FROM node:18
 
+# Create a directory for the application
 WORKDIR /app
 
-COPY package*.json ./
-RUN npm install
-
-COPY . .
+# Copy the package.json and package-lock.json for both frontend and backend
+COPY frontend/package*.json ./frontend/
+COPY backend/package*.json ./backend/
 
+# Install dependencies for frontend
 WORKDIR /app/frontend
 RUN npm install
+
+# Install dependencies for backend
 WORKDIR /app/backend
 RUN npm install
 
+# Copy the rest of the application code
+WORKDIR /app
+COPY . .
+
+# Expose the ports
 EXPOSE 5173
 EXPOSE 3000
-
-CMD ["sh", "-c", "npm run dev --prefix /app/frontend & npm run dev --prefix /app/backend"]