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You are developing a large, complex application and want to use the microservice architecture.
How to decompose an application into services?
Define services corresponding to Domain-Driven Design (DDD) subdomains. DDD refers to the application’s problem space - the business - as the domain. A domain is consists of multiple subdomains. Each subdomain corresponds to a different part of the business.
The subdomains of an online store include:
The corresponding microservice architecture would have services corresponding to each of these subdomains.
This pattern has the following benefits:
There are the following issues to address: