server.js

const express = require("express");
const { spawn } = require("child_process");
const path = require("path");

const app = express();

// Set bot/ as the working directory for all subprocess operations
const botDirectory = path.join(__dirname, "bot");

// Start the bot in the background with bot/ as its root directory
const botProcess = spawn("node", ["app.js"], { cwd: botDirectory, stdio: "inherit" });

app.get("/", (req, res) => {
    res.send("hello");
});

// Start the server
const PORT = 7860;
const server = app.listen(PORT, "0.0.0.0", () => {
    console.log(`Server running on http://0.0.0.0:${PORT}`);
});

// Gracefully terminate the bot process on exit
process.on("SIGINT", () => {
    console.log("Shutting down...");
    botProcess.kill();
    server.close(() => process.exit(0));
});