Microservices architecture is an approach to software development that structures an application as a collection of small, independent services that communicate with each other through APIs. Microservices architecture aims to improve scalability, resilience, and flexibility of software systems, by reducing complexity and allowing for independent deployment and scaling of services. Popular microservices frameworks include Spring Boot, Micronaut, and Quarkus. Click this link Test-driven development (TDD) is a software development approach where developers write automated tests before writing the code. TDD can help to improve code quality, reduce the number of bugs, and improve development efficiency. Popular TDD platforms include JUnit, NUnit, and PHPUnit.