App.js

const express = require('express');
const mongoose = require('mongoose');
const bodyParser = require('body-parser');
const forumRoutes = require('./routes/forum');

const app = express();
const PORT = process.env.PORT || 3000;

// Middleware
app.use(bodyParser.urlencoded({ extended: true }));
app.set('view engine', 'ejs');
app.use(express.static('public'));

// MongoDB connection
mongoose.connect('mongodb://localhost:27017/forumDB', { useNewUrlParser: true, useUnifiedTopology: true })
    .then(() => console.log('MongoDB connected'))
    .catch(err => console.error(err));

// Routes
app.use('/', forumRoutes);

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