server.js

require('dotenv').config();
const express = require('express');
const path = require('path');
const fs = require('fs');
const app = express();
const PORT = process.env.PORT || 3000;

// Create env.json from environment variables
const envConfig = {
    REACT_APP_FIREBASE_API_KEY: process.env.REACT_APP_FIREBASE_API_KEY,
    REACT_APP_FIREBASE_AUTH_DOMAIN: process.env.REACT_APP_FIREBASE_AUTH_DOMAIN,
    REACT_APP_FIREBASE_PROJECT_ID: process.env.REACT_APP_FIREBASE_PROJECT_ID,
    REACT_APP_FIREBASE_STORAGE_BUCKET: process.env.REACT_APP_FIREBASE_STORAGE_BUCKET,
    REACT_APP_FIREBASE_MESSAGING_SENDER_ID: process.env.REACT_APP_FIREBASE_MESSAGING_SENDER_ID,
    REACT_APP_FIREBASE_APP_ID: process.env.REACT_APP_FIREBASE_APP_ID,
    REACT_APP_FIREBASE_MEASUREMENT_ID: process.env.REACT_APP_FIREBASE_MEASUREMENT_ID
};

fs.writeFileSync(path.join(__dirname, 'public', 'env.json'), JSON.stringify(envConfig));

// Serve static files from the public directory
app.use(express.static(path.join(__dirname, 'public')));

// All other requests return the index.html file
app.get('*', (req, res) => {
    res.sendFile(path.join(__dirname, 'public', 'index.html'));
});

app.listen(PORT, () => {
    console.log(`Server is running on port ${PORT}`);
});