Best practices for building microservices with NestJS

Building microservices is complex, but following best practices can significantly improve the system’s scalability, reliability, and maintainability. Here are some best practices specific to NestJS microservices.

Structure and modularization

Consider the following best practice when structuring your microservices:

• Modular design: Organize your services into modules for easier maintenance and testing. Each module should have a single responsibility, making it easy to identify and manage dependencies.
• Separation of concerns: Ensure each microservice focuses on a specific business capability to keep the boundaries between services clear.

Configuration management

In terms of configuration, the following best practice may be useful:

• Environment variables: Use the @nestjs/config package to manage environment-specific configurations. Avoid hardcoding values to ensure easy deployment across environments...