How to solve Mongoose v5.11.0 model.find() error: Operation `products.find()` buffering timed out after 10000ms”

According to Documentation found in this link: https://mongoosejs.com/docs/connections.html#buffering

Mongoose lets you start using your models immediately, without waiting for mongoose to establish a connection to MongoDB.

That’s because mongoose buffers model function calls internally. This
buffering is convenient, but also a common source of confusion.
Mongoose will not throw any errors by default if you use a model
without connecting.

TL;DR:

Your model is being called before the connection is established. You need to use async/await with connect() or createConnection(); or use .then(), as these functions return promises now from Mongoose 5.

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