![]() env.example file with environment variables that you would need to copy to. There are two repositories ready to serve as a simple example and they are very similar Nest.js servers with small differences: If you get lost at some point, inside the repositories there are commits and branches that will help you do the refactor step by step. In this section what we will do is we will be converting two basic Nest.js servers to a main server (API Gateway) and microservice (responsible for handling item operations). Refactoring basic server to microservices Also, a Postman would be needed to test endpoints. We will also need a Docker installed on our system and a Database Management Tool of your choice (I am using Table Plus). Make sure to clone them and install all required dependencies. Ok, let's jump to the code! You will need two repositories that I have prepared for this tutorial: Make sure to read it first if you are not familiar with this concept. There is a great articles series by Chris Richardson regarding Microservices available on. Modules encapsulate logic into reusable pieces of code (components).Įnter fullscreen mode Exit fullscreen mode ![]() If you are not yet familiar with Nest.js there are three basic concepts that you will be working all the time Modules, Controllers, and Services. Built with Node.js and Supports both Express.js and Fastify.Many technologies supported out of the box (GraphQL, Redis, Elasticsearch, TypeORM, microservices, CQRS, …).To avoid overloading with the info, I'll skip to the most crucial ones from my point of view. Nest.js can be seen as Angular on the backend (as one of my friends called it) as it provides a plethora of useful features, and - just as Angular can be a bit overwhelming at first glance. This definition, although very accurate, doesn't indicate when to use Nest.js in the next project, and I'll try to throw some light on that issue. Nest.js is a progressive Node.js framework for building efficient, reliable, and scalable server-side applications.
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