Update

dockerfile

@@ -0,0 +1,18 @@
+# Use official Node.js LTS image
+FROM node:18
+
+# Set working directory
+WORKDIR /app
+
+# Copy package files and install dependencies
+COPY package.json package-lock.json* ./
+RUN npm install --production
+
+# Copy the rest of the app
+COPY . .
+
+# Expose the port (default 3000)
+EXPOSE 3000
+
+# Start the server
+CMD ["npm", "start"]