Book Image

Cloud-Native Development and Migration to Jakarta EE

By : Ron Veen, David Vlijmincx
Book Image

Cloud-Native Development and Migration to Jakarta EE

By: Ron Veen, David Vlijmincx

Overview of this book

Cloud-Native Development and Migration to Jakarta EE will help you unlock the secrets of Jakarta EE's evolution as you explore the migration and modernization of your applications. You’ll discover how to make your code compatible with the latest Jakarta EE version and how to leverage its modern features effectively. First, you’ll navigate the realm of cloud-native development as you demystify containers and get introduced to the Eclipse MicroProfile, a powerful tool in your toolkit. Next, you’ll take the bold step of transitioning your applications from local hardware to the limitless possibilities of the cloud. By following the author’s expert guidance to deploy your Jakarta EE applications on Microsoft Azure, you’ll gain hands-on experience in managing cloud resources. In the final leg of your journey, you’ll explore the world of serverless architecture. You’ll learn to design and run services that are truly serverless, harnessing the potential of the event-driven paradigm for scalability and cost-efficiency. By the end of this book, you’ll have mastered Jakarta EE and become a proficient cloud-native developer. Join us on this exciting journey of transformation and innovation as you pave the way for the future of Jakarta EE and cloud-native development.
Table of Contents (18 chapters)
1
Part 1: History of Java EE and Jakarta EE
4
Part 2: Modern Jakarta EE
8
Part 3: Embracing the Cloud
Appendix A: Java EE to Jakarta EE names
Appendix B: As a Service

Creating a container instance

In the previous section, you performed all the steps to eventually create a container instance in Azure. You created a container registry and an image and uploaded the image to a repository inside the registry. In this section, we are going to create a container instance that uses the uploaded image of the Cargo Tracker application. Using the Search bar at the top of the Azure portal, search for container instances:

Figure 9.11 – Searching for container instances

Figure 9.11 – Searching for container instances

Click on the selected result, Container instances, as this will bring you to the Container instances overview. Inside this overview, click on the Create button in the top-left corner of the overview screen. This will bring you to a series of forms that you need to fill out to create a container instance. It looks like this:

Figure 9.12 – Overview of the basics of the container instance

Figure 9.12 – Overview of the basics of the container instance

You need to fill out the following...