text: const express = require("express");
  const bodyParser = require("body-parser");
  
  const app = express();
  
  // parse requests of content-type - application/json
  app.use(bodyParser.json());
  
  // parse requests of content-type - application/x-www-form-urlencoded
  app.use(bodyParser.urlencoded({ extended: true }));
  
  // simple route
  app.get("/", (req, res) => {
    res.json({ message: "Welcome to GITSALAH application." });
  });
  
  require("./app/routes/posts.routes.js")(app);
  
  // set port, listen for requests
  const PORT = process.env.PORT || 3000;
  app.listen(PORT, () => {
    console.log(`Server is running on port ${PORT}.`);
  });
  