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Practical Cloud-Native Java Development with MicroProfile

Practical Cloud-Native Java Development with MicroProfile

By : Emily Jiang, McCright, Alcorn, Chan, Nottingham
4.1 (7)
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Practical Cloud-Native Java Development with MicroProfile

Practical Cloud-Native Java Development with MicroProfile

4.1 (7)
By: Emily Jiang, McCright, Alcorn, Chan, Nottingham

Overview of this book

In this cloud-native era, most applications are deployed in a cloud environment that is public, private, or a combination of both. To ensure that your application performs well in the cloud, you need to build an application that is cloud native. MicroProfile is one of the most popular frameworks for building cloud-native applications, and fits well with Kubernetes. As an open standard technology, MicroProfile helps improve application portability across all of MicroProfile's implementations. Practical Cloud-Native Java Development with MicroProfile is a comprehensive guide that helps you explore the advanced features and use cases of a variety of Jakarta and MicroProfile specifications. You'll start by learning how to develop a real-world stock trader application, and then move on to enhancing the application and adding day-2 operation considerations. You'll gradually advance to packaging and deploying the application. The book demonstrates the complete process of development through to deployment and concludes by showing you how to monitor the application's performance in the cloud. By the end of this book, you will master MicroProfile's latest features and be able to build fast and efficient cloud-native applications.
Table of Contents (18 chapters)
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1
Section 1: Cloud-Native Applications
5
Section 2: MicroProfile 4.1 Deep Dive
10
Section 3: End-to-End Project Using MicroProfile
13
Section 4: MicroProfile Standalone Specifications and the Future

Testing the Stock Trader microservices

Now that we've learned how to build our microservices, the next important step, before deploying them to an OpenShift environment, is to first perform some unit tests on them to make sure they are working as desired.

Testing the frontend microservice

We can perform such unit tests by using locally installed Docker on our laptops. Let's run the Docker container we just built for Trader, and try it out:

jalcorn@Johns-MBP-8 portfolio % docker run -p 9443:9443 -e JWT_AUDIENCE=test -e JWT_ISSUER=test -e TEST_MODE=true trader:latest
Launching defaultServer (Open Liberty 21.0.0.4/wlp-1.0.51.cl210420210407-0944) on Eclipse OpenJ9 VM, version 11.0.11+9 (en_US)
[AUDIT] CWWKE0001I: The server defaultServer has been launched.
<snip>
[INFO] SRVE0169I: Loading Web Module: Trader UI.
[INFO] SRVE0250I: Web Module Trader UI has been bound to default_host.
[AUDIT] CWWKT0016I: Web application available (default_host): http://5708495d563b...
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Practical Cloud-Native Java Development with MicroProfile
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