Answers for "mongoose connection promise"

mongoose connection

const mongoURI =
  "mongodb+srv://userTest:<password>@cluster0.hgkll.mongodb.net/myFirstDatabase?authSource=admin&replicaSet=atlas-eu2ek5-shard-0&w=majority&readPreference=primary&appname=MongoDB%20Compass&retryWrites=true&ssl=true";
mongoose
  .connect(mongoURI, {
    useNewUrlParser: true,
    useUnifiedTopology: true,
  })
  .then(() => {
    // eslint-disable-next-line
    console.log("Database Connection Established...!");
  })
  .catch((err) => {
    // eslint-disable-next-line
    console.log("Error: Database connection can not be established...!", err);
  });

mongoose connection

const mongoose = require("mongoose");

//  database connection with mongoose
mongoose.connect("mongodb://localhost/todos", {
        useNewUrlParser: true,
        useUnifiedTopology: true
    })
    .then(() => console.log("connection successful"))
    .catch((err) => console.log(err));