server.js

import { handler } from './handler.js';
import express from 'express';
import https from 'https';
import fs from 'fs';
import dotenv from 'dotenv';
dotenv.config();

const app = express();
const port = process.env.PORT || 3000;  // Add this line

// add a route that lives separately from the SvelteKit app
app.get('/healthcheck', (req, res) => {
    res.end('ok');
});

app.use((req, res, next) => {
    if (process.env.DOMAIN && req.headers['host'] != process.env.DOMAIN)
        return res.status(403).end();
    
    next();
});

// let SvelteKit handle everything else, including serving prerendered pages and static assets
app.use(handler);

const { SSL_KEY_PATH, SSL_CERT_PATH } = process.env;

if (SSL_CERT_PATH && SSL_KEY_PATH) {
    const sslOptions = {
        key: fs.readFileSync(process.env.SSL_KEY_PATH), // Path to server.key
        cert: fs.readFileSync(process.env.SSL_CERT_PATH) // Path to server.cert
    };
    
    https.createServer(sslOptions, app)
        .listen(443, () => {
            console.log('HTTPS server running on port 443');
        });
} else {
    app.listen(port, () => {
        console.log('HTTP server running on port 3000');
    });
}