Cannot GET /register on heroku server error

[purveshshende2]

I Cannot GET /register on heroku server error , it send 404 bad request

server.js

`const express = require('express');
const bodyParser = require('body-parser');
const bcrypt = require('bcrypt');
const cors = require('cors');
const knex = require('knex');
const register = require ('./controllers/register');
const signin = require('./controllers/signin');
const profile = require('./controllers/profile');
const image = require('./controllers/image');

const db = knex({
client: 'pg',
connection: {
connectionString: process.env.DATABASE_URL,
ssl: true,
}
});

const app = express();
app.use(cors())
app.use(bodyParser.json());

app.get('/',(req,res) => {res.send('it is Working!')})
app.post ('/signin', signin.handleSignin(db,bcrypt))
app.post('/register',(req,res) => { register.handleRegister(req,res,db,bcrypt)})
app.get('/profile/:id',(req,res) => {profile.handleProfileGet(req,res,db)})
app.put('/image',(req,res) => {image.handleImage(req,res,db)})
app.post('/imageurl',(req,res) => {image.handleApiCall(req,res)})

app.listen(process.env.PORT || 3000, () => {
console.log(app is running on port ${process.env.PORT});
})`

Register.js

`

const handleRegister = (req,res,db,bcrypt) => {
const {email,name,password} = req.body;
if (!email || !name || !password){
return res.status(400).json('incorrect form submission');
}
const saltRounds = 10;
const hash = bcrypt.hashSync(password,saltRounds);
const salt = bcrypt.genSaltSync(saltRounds);
db.transaction(trx => {
trx.insert({
hash : hash,
email : email
})
.into ('login')
.returning('email')
.then(loginEmail => {
return trx('users1')
.returning('*')
.insert ({
email : loginEmail[0],
name : name,
joined : new Date()
})
.then (user => {
res.json(user[0]);
})
})
.then(trx.commit)
.catch(trx.rollback)
})

.catch(err => res.status(400).json('unable to register'))

}

module.exports = {
handleRegister : handleRegister
};
`
server_file.txt
registerfile.txt