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Microservices with Spring Boot, Spring Cloud, Docker & Kafka (Udemy.com)

Build Microservices using Java, REST API, Spring Boot 3, Spring Cloud, React JS, Kafka, RabbitMQ, Docker & IntelliJ IDEA

Created by: Ramesh Fadatare

Last updated September 2026

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What you will learn

  • Learn REST API Fundamentals - REST API, Resource, Sub-resource, URI, HTTP methods, HTTP status codes, Design REST APIs, Best Practices, and REST API Differences
  • Build REST API's using Spring Boot
  • Build CRUD REST API's using Spring Boot, Spring Data JPA and MySQL Database
  • Using DTO (Data Transfer Object) Pattern in Spring Boot App
  • Using Mapping Libraries - ModelMapper and MapStruct
  • Exception Handling in Spring Boot App
  • Spring Boot REST API Validation
  • Spring Boot Actuator - Production-Ready Features
  • Master building REST APIs for Banking App and Employee App.
  • Master building REST APIs for One-to-Many relationship
  • Building Spring Boot Microservices in IntelliJ IDEA
  • Microservices Communication using RestTemplate, WebClient and Cloud OpenFeign
  • Centralized Configurations using Spring Cloud Config Server

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Overall Score : 94 / 100

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Course Description

Disclaimer:

"This course requires you to download Docker Desktop from the official Docker website. If you are a Udemy Business user, please check with your employer before downloading software."


In this course, you will learn to building Microservices using Java, Spring Boot, Spring Cloud, React, Kafka, RabbitMQ, Docker, and REST API (REST Web Services).


Important Note: This course supports the latest Spring Boot 3 and Spring Cloud 2022.0.0.


In this course, we will follow the real-time industry-standard project development approach.

This course covers Spring Boot REST API development from scratch.

This course covers the REST API fundamentals from scratch.


Added new sections to master building REST APIs for Banking App and Employee App.

Added new section to master building REST APIs for One-to-Many relationship - very important in the real-world projects.


Microservices:

A Microservice is a service built around a specific business capability that can be independently deployed. So, to build large enterprise applications, we can identify the sub-domains of our main business domain and build each sub-domain as a MicroService using Domain-Driven Design (DDD) techniques. But in the end, we need to make all these microservices work together to serve the end user as if it were a single application.


Why are Spring Boot and Spring Cloud good choices for MicroServices?

Spring Boot is the most popular and widely used Java framework for building Microservices. These days, many organizations prefer to deploy their applications in a Cloud environment instead of taking on the headaches of maintaining a data center themselves. However, we need to take good care of the various aspects of making our applications Cloud-Native. There comes the beauty of Spring Cloud.

Spring Cloud is essentially an implementation of various design patterns for building Cloud-Native applications. Instead of reinventing the wheel, we can simply take advantage of various Spring Cloud modules and focus on our main business problem rather than worrying about infrastructural concerns.

What you'll learn

  • Build RESTful web services using Spring Boot - Learn Important Spring MVC Annotations.

  • Build CRUD REST APIs using Spring Boot, Spring Data JPA, and MySQL Database.

  • Master building REST APIs for Banking App and Employee App.

  • Master building REST APIs for One-to-Many relationship - very important in the real-world projects.

  • Building Spring Boot Microservices in IntelliJ IDEA

  • Microservices Communication using RestTemplate, WebClient, and Spring Cloud OpenFeign

  • Create Service Registry and Discovery using Spring Cloud Netflix Eureka

  • Load balancing with Eureka server and Open Feign using Spring Cloud LoadBalancer

  • Create an API Gateway using Spring Cloud Gateway

  • Centralized Configurations using Spring Cloud Config Server

  • Auto Refresh Config Changes using Spring Cloud Bus

  • Distributed Tracing with Spring Cloud Sleuth and Zipkin

  • Resilience4J: Circuit Breaker, Retry, and RateLimiter Patterns

  • Adding a Step-by-Step New Microservice to an Existing Project

  • Create React Frontend Microservice and Integrate with Backend Microservices

  • Learn How to Migrate Existing Projects to the Latest Version

  • Learn How to Generate REST API Documentation

  • Dockering Spring Boot Application Step-by-Step

  • Dockering Spring Boot MySQL CRUD Application Step-by-Step

  • Docker Compose for Dockerizing Spring Boot MySQL CRUD Application Step-by-Step

  • Event-driven Microservices using Spring Boot and Kafka

  • Learn how to use RabbitMQ in the Spring Boot app.

  • Learn how to use Kafka in a Spring Boot app.

  • Kafka Spring Boot - Real-World Wikimedia Project Development

  • Event-driven Microservices using Spring Boot and RabbitMQ

  • Build a Spring Boot React JS Full-Stack CRUD Web Application

  • Learn Functional Programming in Java


Tools and technologies used:

1. Java 17+

2. Spring Boot

3. Spring Cloud

4. Microservices

5. React

6. Resilience4J framework

7. Maven

8. IntelliJ IDEA

9. MySQL database

10. Postman

11. Kafka

12. RabbitMQ

13. Docker


Sample amazing feedback from students on this course:

Francis Dahryl N:

" One of the best learning videos. Ramesh, the instructor, will guide every student until the end."

Juan Paulo L:

"Amazing course, well structured, well documented, resourceful, if you really want to learn about microservices, spring boot and spring cloud you have to take this course now!"

Tirtha S:

"One of the best course for Microservices. Extraordinary explanations to the point. Thank you for providing us such a great course and helping us to gather the knowledge which we are required to know about microservices architecture. You are the best and Thank you once again."

Lakshman M:

"I always admire you sir. You are an Inspiration & Guide to many Java Developers. Keep Doing More Udemy Courses Sir. Thank you"

Furkan P:

"This course teaches everything you need to start with microservices. You need a Java/Spring Boot background to follow up well! Great one!"

Harsh S:

"it is very good course if you want to get your hand dirty in the spring boot microservices"

Vivek Yuvraj Pawar:

"In this course the explanation is above my expectations. in this course all concepts are deeply explained"

Sagar Talagatti:

"Instructor explains the concepts very well and demonstrates with appropriate examples. Thank you for such a good course."

ds r:

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Instructor Details

Ramesh Fadatare

Hi, I'm Ramesh Fadatare, a Software Engineer, Udemy Instructor Partner, Blogger, and YouTuber teaching Java, Spring Boot, Microservices, REST APIs, Hibernate, Angular, React, Kafka, Docker, and Full-Stack Java Development.

Along with Java, I also teach AI, Generative AI, ChatGPT, Google Gemini, NotebookLM, Claude, AI Tools, LLMs, RAG, AI Agents, and Agentic AI.

I have 15+ years of software engineering experience and I am a VMware Spring Certified Professional.

I am the founder of Java Guides, one of the top Java learning websites with 1 million+ views per month. I also run two YouTube channels: one focused on Java with 187K+ subscribers and another focused on AI with 13K+ subscribers.

My teaching style is simple, practical, and beginner-friendly. I explain concepts step by step with real-world examples.

Note: All my courses are available only on the Udemy platform, so you can join my courses here.

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Reviews

4.7

3,777 ratings on Udemy

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By Harikrishnan M G on 1/6/2026

The course content is good and the teaching methodology is effective. However, I am giving 4 stars instead of 5 because some topics need updates to align with the current technology trends. The course currently covers Spring Boot 2.x.x and 3.x.x, but the active version is 4.x.x (4.0.1). Many topics, especially related to API Gateway and Spring Cloud, are not fully compatible with 3.x.x, and upgrading to Spring Reactive is essential. I noticed that some sections have been updated to 3.x.x, which is appreciated, but more updates are required across the course. My kind request is to update the documentation and attach it to the respective sections to reflect the latest versions and practices. Overall, I am satisfied with the teaching style and content, but the lack of updates concerned me, which is why I rated it 4 stars.

By Vikram Patil on 11/1/2025

So far I have completed around 30% of the course but I feel that author has structured the course very well, explaining the basics first and making your foundation strong. Gradually moving to advance topics from the basics doesn't make you feel intimidated as you slowly gain the confidence as make the progress. You won't get overwhelmed easily with the content as each video is short and precise, gradually moving to advance topics. I wish spring security also would have been covered as any application is incomplete without the security aspect.

By Soubam Saratchandra Meetei on 5/15/2025

The tutorial is easy to understand, and I really appreciate the way the instructor repeats key concepts multiple times. This repetition helps beginners absorb and remember the material more effectively. The course is well-structured, with clear explanations and practical examples that make it easier to follow along. I also like how the instructor builds on each topic step by step, making complex ideas feel simple. Overall, it's a great tutorial for both beginners and those looking to strengthen their fundamentals. Highly recommended!

By Kamalakanta Behera on 7/13/2024

Good: He has taught the concepts from scratch, so anyone can learn easily. Infact it's a very good course for beginner to medium level knowledge in Spring boot and MS. He has repeated some key concepts while coding so it helps in familiarizing new concepts. Bad/Not good: This course doesn't have any project that is close to realtime project. The load balancing/discovery taught here is not used in actual projects(enterprize applications) . Also this course will not be of much help for a more experienced person. Suggestions: Kindly add one last project that will mock a enterprise application . It should cover how negative scenarios are handled in a synchronous and a event based(kafka) application.

By Héctor Armando Cortez on 1/2/2024

Un curso más que excelente. Los proyectos realizados estaban muy bien explicados. Es importante destacar que si durante las clases tienes alguna pregunta, puedes postearla en los comentario y el profesor la responderá, generalmente en menos de 24hs. Si quieres aprender arquitectura de microservicios con explicaciones detalladas, gráficos y varios proyector, este es el curso que debes tomar.

By Eduard Mititiuc on 8/11/2023

This course was very good. I really enjoyed it, and learned a lot about microservices. I recommend it to anyone who wants to learn microservices. Teacher explains every concept very clearly and gives a lot of practical examples. P. S: As a suggestion, update the section where we use OkHttp, because it changed in the new versions.

By Prateek Chhibber on 6/22/2023

Ramesh is an excellent trainer who provides the best of his knowledge and shares his skill with his students. I have learned this course in a very interactive and good way. The best part of the course is getting to do practical just by watching Ramesh doing the same, though it took time to complete the 25.5 hours course and doing the same practical as Ramesh but it is equally fun and awesome to learn with Ramesh. I hope to see more Projects from Ramesh.

By Gabriel a fono on 6/6/2023

I have been working as software engineer for almost two years now. as self taught developer, I was having hard understanding microservices since I was more frontend guy. taking this course taught me a lot and I am able to apply this concept on my current company stories. I highly recommend this to anyone whether you are experienced developer , junior developer or students. I like the fact that Ramesh first explained the concept without implementation for you to trully understand how things are working and then jumping into documentation to help you better understand the documentation , which is crucial as the technology improves each day and finally implement. He also provides exercice to help you practive your knowledge. I am currently building my own platfor https://ratemymajor.io , which is a review platform to help students choose a better major in college by reading graduates reviews in addition to their real world experience. I am using this course to design my applications and all the microservices involves. Thanks a lot

By Enis Halilaj on 1/14/2023

The course is really good and very rich in content. The instructor is very clear while explaining all the content throughout the course, I think it is one of the best courses that I've had regarding Spring Boot and Microservices using Kafka/RabbitMQ. Makes it look really simple. Even though I would've liked that the whole course would be about a large project that will be developed during the 18.5 hours and not a couple of smaller projects but either way the course is top-notch! Great job to the instructor!

By Patrick Khodorenko on 1/1/2023

The course generally does the job, but there are things that might be improved like spending more time explaining what's going on under the hood of the spring architecture in each particular project, being less repetitive within a frame of the same lesson, keeping the code in git repository in synch with what is being presented in the lectures.

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