hi my friend i use this method to retrieve data from db i hope that can help

user.find({key: 1})
    .then((userOne)=>{
//if is an API
        res.status(200).json({data : userOne});
//OR
// if you had a view named profile.ejs for example
res.render('/profile',{data : userOne, title : 'User profile' }); 
        console.log(userOne); // just for check in console
    })
    .catch((error)=>{
//if an api
res.status(400).json({messageError : error});
// OR
if not an api
res.render('/profile',{data : 'No data of this profile',errorToDisplay : error})
});
});

hi my friend I use this method to retrieve data from db I hope that can help

user.find({key: 1})
   .then((userOne)=>{
       //if is an API
       res.status(200).json({data : userOne});
       //OR
       // if you had a view named profile.ejs for example
       res.render('/profile',{data : userOne, title : 'User profile' }); 
            console.log(userOne); // just for check in console
        })
    .catch((error)=>{
        //if an api
        res.status(400).json({messageError : error});
        // OR if not an api
        res.render('/profile',{data : 'No data of this profile',errorToDisplay : error})
    });
});