mongoose await save
try {
const newUser = new User({
'email': req.body.email,
'name': req.body.name
});
console.log('before save');
let saveUser = await newUser.save(); //when fail its goes to catch
console.log(saveUser); //when success it print.
console.log('after save');
} catch (err) {
console.log('err' + err);
res.status(500).send(err);
}