Building Microservices with Quarkus from Udemy

This course is for Quarkus developers who want to discover how Quarkus and MicroProfile handle microservices. It’s a mixture of slides and code so you can “Understand and Practice” at the same time. This way, you learn the theory, and then put it into practice by developing a microservice architecture step by step.

In this course you will develop two microservices that talk to each other. After introducing Microservices and MicroProfile, you will make sure your development environment is set up, and you will go from bootstrapping two Quarkus microservices, to running them as Docker containers. The different steps you’ll go through are:

Understand Microservices,
Understand MicroProfile,
Check your development environment,
Develop two microservice that expose a REST endpoint using JAX-RS and CDI,
Customize the JSON output with JSON-B,
Test the two microservices in isolation with JUnit and RESTAssured,
Configure each microservice,
Document each microservice with MicroProfile OpenAPI,
Establish the communication between microservices with MicroProfile REST Client
Mock the microservice communication when testing,
Handle communication failure with MicroProfile Fault Tolerance,
Build a Linux executable with GraalVM out of each microservice,
Containerize each microservice with Docker and execute it,
Create and configure a Docker Compose file so both microservices can be executed in a single command.

At the end of the course you’ll get a good understanding on how implementing microservices with Quarkus. You will be able to bootstrap, develop, package and execute a microservice architecture, but most important, take Quarkus microservices to your next project.

Good luck for the course, and please reach out if you need any help or if you have any request: I’m here to help.

What's inside

Learning objectives

Understand the microprofile ecosystem and how quarkus supports it
Bootstrap two microservices with quarkus
Develop, configure and test each microservice separately using jax-rs, json-b, cdi, junit and restassured
Use microprofile openapi to document each microservice
Use microprofile rest client so microservices can communicate with one another

Use microprofile fault tolerance so the communication between microservices can gracefully handle failure
Generate native binaries thanks to graalvm
Build and execute docker containers for each microservice
Bundle both microservices into a single docker compose file and configure it so the entire system is executed with a single command

Understand the microprofile ecosystem and how quarkus supports it
Bootstrap two microservices with quarkus
Develop, configure and test each microservice separately using jax-rs, json-b, cdi, junit and restassured
Use microprofile openapi to document each microservice
Use microprofile rest client so microservices can communicate with one another
Use microprofile fault tolerance so the communication between microservices can gracefully handle failure
Generate native binaries thanks to graalvm
Build and execute docker containers for each microservice
Bundle both microservices into a single docker compose file and configure it so the entire system is executed with a single command

Syllabus

Building Microservices with Quarkus

Course Overview

What Will You Build in This Course?

Understanding Microservices

Lesson Overview

What are Microservices?

What is MicroProfile?

Companies sponsoring the speaker's diner

Checking up the Development Environment

Activity: Checking up the Development Environment

Bootstrapping the Microservices

Activity: Bootstrapping the Microservices

Main exhibition hall

Exposing the Number REST Endpoint

Activity: Exposing the Number REST Endpoint

Customizing the JSON Output

Activity: Customizing the JSON Output

Documenting the Number Microservice

Activity: Documenting the Number Microservice

Configuring the Number Microservice

Activity: Configuring the Number Microservice

Testing the Number Microservice

Activity: Testing the Number Microservice

Exposing the Book REST Endpoint

Activity: Exposing the Book REST Endpoint

Documenting the Book Microservice

Activity: Documenting the Book Microservice

Configuring the Book Microservice

Activity: Configuring the Book Microservice

Testing the Book Microservice

Activity: Testing the Book Microservice

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Invoking the Number Microservice

Activity: Invoking the Number Microservice

Mocking the Communication

Activity: Mocking the Communication

Dealing with Communication Failure

Activity: Dealing with Communication Failure

Building Native Linux Executables

Activity: Building Native Linux Executables

Containerizing Native Linux Executables

Activity: Containerizing Native Linux Executables

Executing Docker Containers

Activity: Executing Docker Containers

Revisiting the Application

Congratulations!

What’s Next?

Quarkus References

MicroProfile References

Author References

Bye Bye

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Explores MicroProfile, which is used in cloud-based enterprise Java projects

Explores Quarkus, which is an open-source Java framework built for cloud-native applications

Focuses on developing usable microservices, as opposed to just describing what microservices are

Develops your knowledge of Quarkus and MicroProfile, which are essential resources for Java cloud developers

Taught by Antonio Goncalves, who is a Quarkus developer and author of several books on Java and JEE

Requires knowledge of Java for those who want to learn how to build microservices in Java

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Building Microservices with Quarkus with these activities:

Join a study group or online forum for Quarkus developers

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Join a study group or online forum to connect with other Quarkus developers, ask questions, and share knowledge, fostering collaboration and reinforcing learning.

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Identify relevant study groups or online forums
Introduce yourself and express your interest in joining
Participate in discussions and ask questions
Share your own knowledge and experiences

Create a collection of resources on Quarkus best practices

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Create a collection of resources on Quarkus best practices to reinforce your knowledge, stay up-to-date with industry standards, and improve your development practices.

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Research and identify best practices for Quarkus development
Gather relevant articles, blog posts, and documentation
Organize and categorize the resources
Create a document or online repository to store the collection
Share your collection with other Quarkus developers

Practice writing REST endpoints using JAX-RS in Java

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Practice writing REST endpoints to reinforce your understanding of JAX-RS and how it is used in Quarkus.

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Create a new Quarkus project and add the RESTEasy dependency
Define a JAX-RS resource class and endpoint methods
Add dependency injection to your resource class
Test your endpoints using a REST client like RESTAssured

Four other activities

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Attend a Quarkus workshop or conference

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Attend a Quarkus workshop or conference to gain hands-on experience, learn from experts, and network with other developers, enhancing your knowledge and skills.

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Research upcoming Quarkus workshops or conferences
Register for the event
Attend the workshop or conference sessions
Participate in hands-on exercises and discussions
Network with other attendees and speakers

Build a Spring Boot REST API with JPA and MySQL

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Follow a tutorial to build a Spring Boot REST API with JPA and MySQL to reinforce your understanding of RESTful web services and data persistence.

Browse courses on Spring Boot

Show steps

Set up a new Spring Boot project
Create a JPA entity and repository
Define REST controllers for CRUD operations
Test your API using a REST client like Postman

Mentor a junior Quarkus developer or participate in a coding challenge

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Mentor a junior Quarkus developer or participate in a coding challenge to reinforce your knowledge, enhance your problem-solving skills, and contribute to the community.

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Identify opportunities to mentor or participate in coding challenges
Prepare materials and resources
Provide guidance and support to mentees or participants
Evaluate progress and provide feedback
Reflect on your experience and areas for improvement

Write a blog post on the benefits of using Quarkus for microservices development

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Write a blog post to share your knowledge and experience with Quarkus and microservices, reinforcing your understanding of the benefits and use cases.

Show steps

Research the benefits of using Quarkus for microservices development
Write an outline for your blog post
Develop the content of your blog post, including code examples and demonstrations
Proofread and edit your post
Publish your blog post on a platform like Medium or Dev.to

Career center

Learners who complete Building Microservices with Quarkus will develop knowledge and skills that may be useful to these careers:

Technical Project Manager

Technical Project Managers plan, execute, and manage software development projects. They work with stakeholders to define the project scope, timeline, budget, and quality requirements. While this course does not focus on project management, it can provide insight into the software development process as a whole, which can be helpful for Technical Project Managers.

See salaries and explore the career path for Technical Project Manager

Enterprise Architect

Enterprise Architects design and implement IT strategies and solutions for organizations. They work with senior management to understand the business goals of the organization and translate those goals into technical requirements.

See salaries and explore the career path for Enterprise Architect

Solutions Architect

Solutions Architects work with clients to understand their business needs and design and implement technical solutions that meet those needs. This course will introduce you to building microservices using Java, which is a skill that Solutions Architects can use to build and maintain the kinds of software systems that clients require.

See salaries and explore the career path for Solutions Architect

Full Stack Engineer

Full Stack Engineers work on both the front-end and back-end of web applications. They are responsible for the entire stack of technologies that make up an application, including the user interface, the server-side logic, and the database. This course will introduce the principles of building microservices that will connect to databases, which are the kinds of skills Full Stack Engineers use.

See salaries and explore the career path for Full Stack Engineer

Software Architect

Software Architects design and build software systems. They work with stakeholders to understand their needs and translate those needs into technical requirements. As a Software Architect, you will be responsible for making sure that software systems are secure, scalable, and reliable. This course could be useful for Software Architects as it dives into the implementation of microservices and provides insight into building systems.

See salaries and explore the career path for Software Architect

Cloud Architect

Cloud Architects design, build, and manage cloud computing systems. They work with cloud providers and customers to develop cloud strategies and solutions. This course "may" provide a helpful foundation in cloud computing for Cloud Architects and provide some direction in designing and managing cloud systems.

See salaries and explore the career path for Cloud Architect

DevOps Engineer

DevOps Engineers work with developers and operations teams to improve the software development process and increase the speed and quality of software delivery. This course "may" be useful for DevOps Engineers who are interested in building a foundation in Java and understanding how to build microservices.

See salaries and explore the career path for DevOps Engineer

Quality Assurance Analyst

Quality Assurance Analysts work alongside software engineers to implement testing strategies, manage test cases, execute tests, and report on results. They may also collaborate with product owners and other teams to understand customer needs and ensure that the final product meets requirements. This course "may" help Quality Assurance Analysts understand the development stage of applications and provide them with architectural experience in Java.

See salaries and explore the career path for Quality Assurance Analyst

Data Scientist

Data Scientists gather, analyze, and interpret massive amounts of data to extract meaningful insights for organizations. While this course does not dive into data analysis, it "may" provide some helpful Java experience, which is a language that can be helpful in data science.

See salaries and explore the career path for Data Scientist

Data Engineer

Data Engineers design, build, and maintain data pipelines and systems. They collaborate with data scientists and other stakeholders to ensure that data is accessible, reliable, and secure. This course "may" provide useful foundational Java experience, which is a language that can be helpful for Data Engineers.

See salaries and explore the career path for Data Engineer

Web Developer

Web Developers design and develop web applications and websites. They translate ideas into code that creates aesthetically-pleasing, functional products usable by end users. This course "may" introduce foundational concepts in Java that Web Developers can use to build web solutions.

See salaries and explore the career path for Web Developer

Computer Programmer

Computer Programmers design, modify, and maintain computer programs and software to meet the needs of users. This course "may" be useful to Computer Programmers as it touches on using Java to develop and execute solutions, which is a popular language that could be used in this role.

See salaries and explore the career path for Computer Programmer

Information Security Analyst

Information Security Analysts identify and mitigate risks or vulnerabilities in hardware and software systems that may put the organization at risk. This course "may" provide insight for Information Security Analysts by offering an introduction to security features that may be found in similar software systems.

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Computer Systems Analyst

Computer Systems Analysts study how computer systems are used in an organization and offer advice on how to improve the system's efficiency. This role may lead and manage projects by establishing project scope, timeline, budget, resource allocation, and quality assurance. This course "may" be helpful for Computer Systems Analysts, as it can help with problem solving skills.

See salaries and explore the career path for Computer Systems Analyst

Software Engineer

Software Engineers create software that meets the needs of users. In a role as a Software Engineer, you might design architectural solutions to complex problems and then create software to meet those solutions. While this course focuses on being an introduction microservices with Quarkus, it "may" provide a basic understanding of concepts that Software Engineers in this field may use.

See salaries and explore the career path for Software Engineer

Building Microservices with Quarkus

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