app.js

require("dotenv").config();
const express = require("express");
const cors = require("cors");
const helmet = require("helmet");
const morgan = require("morgan");
const rateLimit = require("express-rate-limit");
const http = require("http");

const app = express();
const port = process.env.PORT || 3000;
// Middleware for parsing JSON and urlencoded data
app.use(express.json());
app.use(express.urlencoded({ extended: true }));

app.use(helmet()); // Security Headers
app.use(morgan("short"));
// Rate Limit for brute force attacks
app.use(
  rateLimit({
    windowMs: 60 * 60 * 1000, // 1 hour
    max: 100,
  }),
);
const server = http.createServer(app);

process.on("uncaughtException", (error) => {
  console.error("Uncaught exception:", error);
  server.close(() => process.exit(1));
});

server.listen(port, () => {
  console.log("Server is started on port " + port);
});
process.on("unhandledRejection", (error) => {
  console.error("Unhandled Rejection:", error);
});
process.on("rejectionHandled", (error) => {
  console.error("Rejection handled:", error);
});
module.exports = app;