Microservices
What are Microservices?
Microservices (or microservices architecture) are a cloud-native architectural approach in which a single application is composed of many loosely coupled and independently deployable smaller components or services.
These services typically
- have their own technology stack, inclusive of the database and data management model;
- communicate with one another over a combination of REST APIs, event streaming, and message brokers; and
- are organised by business capability, with the line separating services often referred to as a bounded context.
Microservices at a glance
- Code can be updated more easily – new features or functionality can be added without touching the entire application stack
- Teams can use different stacks and different programming languages for different components.
- Components can be scaled independently of one another, reducing the waste and cost associated with having to scale entire applications because a single feature might be facing too much load.
Microservices, being small services that can be deployed frequently depend on DevOps and continuous integration/continuous delivery (CI/CD).
Compared with monolithic and service-oriented architecture, the difference is, microservices compose a single application from many smaller, loosely coupled services as opposed to the monolithic approach of a large, tightly coupled application
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