August 2018
Intermediate to advanced
314 pages
8h 9m
English
Content preview from Java EE 8 Design Patterns and Best Practices
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The service-registry pattern
We know that microservices are exposed via access protocols such as HTTP/REST. This means that the services are accessed via a URL. However, we are in the cloud world, which has elastic scalability. The IPs of containers and virtual machines are dynamic and can change frequently. Consequently, the locations of services residing in these containers are also subject to change. As we have already said, instances of microservices are created and terminated constantly. Therefore, the following question arises—how can a client of a microservice handle this problem? The solution is to implement the service registry pattern. A service registry is a database of registered services. When a microservice is born, it is recorded ...
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