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Contract Testing for Node.js Microservices with Pact
Contract testing helps ensure the compatibility of microservices and decouples the development and deployment processes of software teams.
In this article, you’ll learn more about contract testing and how to use Pact to verify and ensure your Node.js microservices’ API compatibility.
Ensuring API compatibility in distributed systems
The use of microservices is growing in popularity for good reasons.
They allow software teams to develop, deploy, and scale software independently to deliver business value faster. Large software projects are broken down into smaller modules, which are easier to understand and maintain.
While the internal functionality of each microservice is getting simpler, the complexity in a microservice architecture is moved to the communication layer and often requires the integration between services.
However, in microservice architectures, you often find service to service communication, leading to increased complexity in the communication layer and the need to integrate other services.
