What are the merits/demerits of backend architectures with both API server and database server?

I recently got a recommendation to always build backend applications as a pair of two servers: an API server and a database server. The API server exposes APIs to the mobile/web clients, but to get/create/update data it communicates - through, say, g...

Is it safe to make several short-lived RabbitMQ queues?

I have a backend system (A) that receives an HTTP request and sends a message to another backend system (B) through RabbitMQ before responding. But now, I need A to receive a response object from B. I read up and found the RabbitMQ RPC system which a...

Are there any downsides to passing MongoDB Transactions session data across microservices?

I currently work with a system of microservices communicating with gRPC. I also have MongoDB transactions implemented in many of the different backends. Now, I need to perform single write operations across two or more backends. To do this I'll need ...

Why should I save a Mongo field as name vs ObjectID?

I'm creating a Node app using MongoDB that allows users to submit reviews. There is also an admin portal to allow admin to read the reviews. The reviews have a location field where the user is to fill in the location of the place they are reviewing. ...

Is it a good idea to reveal model IDs in the URL?

For example, if I have a product model, it is good enough to use /products/:id as the URL security-wise? Or do I need to create a special identifier for the URL like a slug? Also, are there any special considerations for hashed IDs (as in MongoDB) o...

Where can I find a MERN stack starter with JWT authentication?

What is the best MERN starter/boilerplate with JWT authentication?