How to Build Microservices With Node.js

Over the past few years, microservices have become a popular architectural style for building web applications. Microservices are a way of structuring an application as a collection of small, independent services that can be deployed and scaled independently.

One of the benefits of microservices is that they can be built using a variety of programming languages. This flexibility can be helpful if you have a team of developers with different language preferences. In this article, we’ll look at how to build microservices using Node.js. Node.js is a JavaScript runtime environment that is well-suited for building microservices. It’s a popular choice for microservices because it’s lightweight and efficient.

There are a few challenges that come with building microservices with Node.js. One of the challenges is managing dependencies. When you have a large number of services, it can be difficult to keep track of all the dependencies. Another challenge is communication between services. Microservices need to be able to communicate with each other, but they also need to be able to handle failure gracefully.

Despite the challenges, Node.js is a good platform for building microservices. Here are some tips for building microservices with Node.js:

1. Use a Dependency Management Tool

When you’re building microservices with Node.js, it’s important to use a dependency management tool. A dependency management tool will help you keep track of all the dependencies for your services. It will also allow you to manage different versions of your dependencies.

There are a few different dependency management tools that you can use. One popular option is npm. npm is the default package manager for Node.js. It’s a command-line tool that allows you to install, update, and uninstall packages.

Another option is Yarn. Yarn is a package manager that was created by Facebook. It’s similar to npm, but it has a few extra features, such as being able to lock down dependencies to a specific version.

2. Use a Service Registry

When you’re building a microservice architecture, it’s important to use a service registry. A service registry is a central place where you can keep track of all the services in your system. It’s a helpful tool because it allows you to discover services and their locations.

There are a few different service registries that you can use. One popular option is Eureka, which is an open-source service registry from Netflix. Another option is Consul, which is a tool from HashiCorp.

3. Use an API Gateway

An API gateway is an important component in a microservice architecture. It’s a single point of entry for all of your services. The API gateway is responsible for routing requests to the appropriate service. It can also provide other features, such as authentication and rate-limiting.

There are a few different API gateway options that you can use. One popular option is Kong. Kong is an open-source API gateway that was created by Mashape. Another option is Amazon API Gateway, which is a managed API gateway service from Amazon Web Services.

4. Use a Message Broke

A message broker is a component that helps with communication between services. It’s responsible for routing messages to the appropriate service. A message broker can be helpful in a microservice architecture because it can decouple services from each other.

There are a few different message broker options that you can use. One popular option is RabbitMQ. RabbitMQ is a popular open-source message broker that supports a variety of protocols. Another option is Kafka, which is a message broker service from Apache.

5. Use Circuit breakers

Circuit breakers are an important component of a microservice architecture. They’re used to prevent cascading failures. A circuit breaker will open if it detects a failure in a service. Once the circuit breaker is open, it will route requests around the failed service.

There are a few different circuit breaker options that you can use. One popular option is Hystrix. Hystrix is an open-source circuit breaker from Netflix. Another option is Turbine, which is a circuit breaker from Netflix that’s used in conjunction with Hystrix.

These are a few tips for building microservices with Node.js. Microservices can be a helpful way to structure an application. They can be deployed and scaled independently, and they offer a lot of flexibility. However, there are a few challenges that come with building microservices. One of the challenges is managing dependencies. Another challenge is communication between services.

References: Kubo, Disqus, Giphy, Onmogul, xero

Final Words

Microservices are a great way to improve the scalability and flexibility of your Node.js applications. In this post, we’ve shown you how to use the Seneca framework to build microservices in Node.js. We’ve also demonstrated how you can use Seneca’s built-in web plugin to expose your microservices as REST API endpoints. With the Seneca framework, it’s easy to build robust microservices in Node.js.

If you’re looking to hire Nodejs Developers, then TFT is the best option for you. TFT is a leading Nodejs development company that provides a cost-effective and efficient way to develop Nodejs applications. TFT has a team of experienced and skilled Nodejs developers who are familiar with the latest technologies and trends. 

• « Top Common Mistakes Made In Python Web Development
• Pros and Cons of React Native Development in 2022 »