Update app.js

app.js

@@ -1,23 +1,11 @@
-# Use Node.js LTS version as the base image
-FROM node:18
+const express = require('express');
+const app = express();
+const port = process.env.PORT || 3000;
 
-# Set the working directory inside the container
-WORKDIR /app
+app.get('/', (req, res) => {
+  res.send('Hello, Node.js app running in Docker!');
+});
 
-# Copy package.json and package-lock.json into the container
-COPY package*.json ./
-
-# Install dependencies
-RUN npm install
-
-# Copy the application code into the container
-COPY . .
-
-# Expose the default port used by Hugging Face Spaces (7860)
-EXPOSE 7860
-
-# Set environment variable for Hugging Face
-ENV PORT=7860
-
-# Define the command to run the application
-CMD ["npm", "start"]
+app.listen(port, () => {
+  console.log(`App is running on http://localhost:${port}`);
+});