A microservices architecture is a revolutionary step in the development of applications. Like any other technology, they have their pros and cons. The following is a summary of the strengths and vulnerabilities of a microservice, which can affect application performance and design.
Pros:
1. Developers have the freedom to deploy and develop services independently, speeding up decision making.
2. Due to their size and autonomy, a microservices-based approach results in shorter development cycles, because different teams can implement different services simultaneously - dependency between teams is usually eliminated.
3. They can easily be deployed on containers, reducing overhead and portability in different environments.
4. Enables developers to adopt modern DevOps practices such as automated CI / CD pipelines, as microservices integrate easily with CI / CD tools.
5. Easy to scale, as each service is generally elastic.
6. Microservices are easier to create, test and maintain.
7. Services are organized around the company's capabilities.
Cons:
1. A microservice architecture involves additional complexity, as developers must mitigate fault tolerance, reduce network latency, manage various programming languages, as well as load balancing across multiple services.
2. Microservice tests can be cumbersome and complicated, due to their distributed nature.
3. Increasing the number of microservices in an application increases the effort of efficient integration and management.
4. Managing multiple databases can be painful.
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