To use the new parser, pass option { useNewUrlParser: true } to MongoClient.connect. (node:18660) UnhandledPromiseRejectionWarning: MongooseServerSelectionError: getaddrinfo ENOTFOUND locolhost code example

Example 1: { useNewUrlParser: true } to MongoClient.connect. warnning

mongoose.connect("mongodb://localhost:27017/YourDB", { useNewUrlParser: true });

Example 2: To use the new parser, pass option { useNewUrlParser: true } to MongoClient.connect

MongoClient.connect("mongodb://localhost:27017/YourDB", { useNewUrlParser: true })