Answers for "deprecation warnings deprecation warnings mongoose"

mongoose deprecation warning

mongoose.connect(process.env.DATABASE, {
 useNewUrlParser: true,
 useCreateIndex: true,
 useFindAndModify: false,
 useUnifiedTopology: true,
})
.then(() => {
 console.log("DB connected");
})
.catch((err) => console.log(`DB connection Err`, err));

mongoose deprecation warning

mongoose.set('useNewUrlParser', true);
mongoose.set('useFindAndModify', false);
mongoose.set('useCreateIndex', true);
mongoose.set('useUnifiedTopology', true);