index.js

 const express =require("express")
const app =express();
const path =require("path");

const port=8080;

app.set("view engine","ejs");
app.set("views", path.join(__dirname,"/views"));


app.get("/",(req,res)=>{
    res.render("home.ejs");
});

app.get("/ig/:username",(req,res)=>{
    const followers=["adams","bob","steve","abc"]
    let {username}= req.params;
    res.render("instagram.ejs",{username,followers});
  
})

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

app.get("/rolldice",(req,res)=>{
    let diceVal=Math.floor(Math.random()*6)+1
    res.render("rolldice.ejs",{ num: diceVal});
});

app.listen(port,()=>{
    console.log(`listening on port ${port} `);
});