customServerw_Express2.js

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

/*Serving static Files */
app.use(express.static("./public")) // Inside a folder named as 'public', if we keep all our css,image,js files , express automatically finds these whenever required.

/* Sending different response for different request */

app.get('/',(req,res)=>{ 
res.sendFile(path.resolve(__dirname,'./testFiles/boxforserver.html')) //sendFile method er moddhe absolute path dite hobe
})
app.get('/clock',(req,res)=>{ 
    res.sendFile(path.resolve(__dirname,'./testFiles/index.html'))
})

app.all('*',(req,res)=>{ 
res.status(404).send('<h1>Content Not Found</h1>')
})

app.listen(80,()=>{
    console.log('Server is listening on port 80')
})

/*
As the html file is basically a static asset, we can put it inside public folder too. In that case, there will be no need of both of the app.get methods stated above.

In case of multiple HTML files to be served in public dir,the html files should be interlinked through <a href='something.html'></a> like this and the main html file should be named index.html.
*/