Spring Boot Microservices Tutorial

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Introduction

This page contains a list of Microservices tutorials using Spring Boot and Spring Cloud.

My Udemy Course:
Building Microservices with Spring Boot and Spring Cloud

Popular Spring Boot and Microservices Guides in 2025

👉 The Hidden Magic of Spring Boot: Secrets Every Developer Should Know

👉 What Happens When You Hit a Spring Boot REST API Endpoint (Behind the Scenes)

👉 Spring Boot Exception Handling

👉 Build CRUD REST API with Spring Boot, Spring Data JPA, Hibernate, and MySQL

👉 Spring Boot DELETE REST API — @DeleteMapping Annotation

👉 Spring Boot PUT REST API — @PutMapping Annotation

👉 Spring Boot POST REST API

👉 Spring Boot GET REST API — @GetMapping Annotation

👉 Spring Boot REST API with Request Param | Spring Boot Course

👉 Spring Boot REST API with Path Variable — @PathVariable

👉 Chapter 13: Understanding @SpringBootApplication Annotation | Spring Boot Course

👉 Chapter 5: Create Spring Boot Project and Build Hello World REST API | Spring Boot Course

👉 10 Real-World Spring Boot Architecture Tips Every Developer Should Follow

👉 Top 10 Spring Boot Tricks Every Java Developer Should Know

👉 Debugging Spring Dependency Injection Issues - Very Important

👉 Common Code Smells in Spring Applications — How to Fix Them

👉 Spring Boot + OpenAI ChatGPT API Integration Tutorial

👉 Spring Boot Course -> New Series on Medium ❤️

👉 Spring Boot Microservices with RabbitMQ Example

👉 React JS + Spring Boot Microservices

👉 Dockerizing a Spring Boot Application

👉 How to Change the Default Port in Spring Boot

👉 How to Change Context Path in Spring Boot

👉 Top 10 Spring Boot REST API Mistakes and How to Avoid Them (2025 Update)

👉 Spring Boot REST API Best Practices

👉 Spring Boot Security Database Authentication Example Tutorial

👉 Spring Boot Security Form-Based Authentication

👉 Spring Boot Security In-Memory Authentication

👉 What is Spring Boot Really All About?

👉 Why Spring Boot over Spring?

👉 Top 10 Spring Boot Key Features That You Should Know

👉 Spring vs Spring Boot

👉 Setting Up the Development Environment for Spring Boot

👉 Spring Boot Auto-Configuration: A Quick Guide

👉 Spring Boot Starters

👉 Quick Guide to Spring Boot Parent Starter

👉 Spring Boot Embedded Servers

👉 Spring Boot Thymeleaf Hello World Example

👉 Chapter 10: Spring Boot DevTools | Spring Boot Course

👉 Chapter 13: Spring Boot REST API That Returns JSON | Spring Boot Course

👉 Spring Boot REST API That Returns List of Java Objects in JSON Format

👉 Top 10 Spring Boot Mistakes and How to Avoid Them

👉 Advanced Spring Boot Concepts that Every Java Developer Should Know

👉 What Are Microservices in Spring Boot?

👉 Integrating React Frontend with Spring Boot ChatGPT API (Step-by-Step Guide)

👉 Build a Chatbot Using Spring Boot, React JS, and ChatGPT API

👉 Top 10 Mistakes in Spring Boot Microservices and How to Avoid Them (With Examples)

👉 Spring Boot Security Best Practices: Protecting Your Application from Attacks

👉 🔄 Dependency Injection in Spring (Explained with Coding Examples)

👉 ⚙️ How Spring Container Works Behind the Scenes

👉 How Spring Container Works Behind the Scenes (Spring Container Secrets Revealed!)

👉 Spring @Component vs @Bean vs @Service vs @Repository Explained

👉 How Component Scanning Works Behind the Scenes in Spring

👉 How Spring Autowiring Works Internally

👉 Top 20 Spring Boot Best Practices for Java Developers

👉 Build Spring Boot React Full Stack Project — Todo App [2025 Update]

👉 Spring vs Spring MVC vs Spring Boot

👉 Spring Boot Best Practices: Use DTOs Instead of Entities in API Responses

👉 Spring Boot DTO Tutorial (Using Java record) – Complete CRUD REST API Implementation

👉 Spring Boot Architecture: Controller, Service, Repository, Database & Architecture Flow

👉 Java Stream filter() Method with Real-World Examples

👉 Spring Boot Auto Configuration Explained | How It Works

👉 Spring Boot Profiles: How to Manage Environment-Based Configurations

👉 Create a Custom Spring Boot Starter | Step-by-Step Guide

👉 Spring Boot Starter Modules Explained | Auto-Configuration Guide

👉 Deploy Spring Boot Applications with Profile-Based Settings | Step-by-Step Guide

👉 Spring Boot Performance Tuning: 10 Best Practices for High Performance

👉 Spring Boot @ComponentScan Annotation | Customizing Component Scanning

👉 Difference Between @RestController and @RequestMapping in Spring Boot

👉 Spring Boot @Cacheable Annotation – Improve Performance with Caching

👉 Spring Boot Redis Cache — @Cacheable Complete Guide

👉 When to Use @Service, @Repository, @Controller, and @Component Annotations in Spring Boot

👉 Why, When, and How to Use @Bean Annotation in Spring Boot App

👉 Java Spring Boot vs. Go (Golang) for Backend Development in 2025

👉 Is Autowired Annotation Deprecated in Spring Boot? Everything You Need to Know

👉 🚫 Stop Making These Common Mistakes in Spring Boot Projects

👉 Top 10 Mind-Blowing Spring Boot Tricks for Beginners

👉 Why Choose Spring Boot Over Spring Framework? | Key Differences & Benefits

👉 How to Run a Spring Boot Application | 5 Easy Ways for Developers

👉 What is AutoConfiguration in Spring Boot? | Explained with Example

👉 Customize Default Configuration in Spring Boot | 5 Proven Ways

👉 Chapter 12: Understanding SpringApplication.run() Method Internals | Spring Boot Course

👉 What is CommandLineRunner in Spring Boot?

👉 How to Create Custom Bean Validation in Spring Boot

👉 Can You Build a Non-Web Application with Spring Boot?

👉 How to Disable Auto-Configuration in Spring Boot (Step-by-Step Guide)

👉 Top 25 Spring Boot Interview Questions and Answers for Beginners

👉 How to Use Java Records with Spring Boot

👉 Spring Boot Constructor Injection Explained with Step-by-Step Example

👉 🚫 Stop Using @Transactional Everywhere: Understand When You Actually Need It

👉 🚫 Stop Writing Fat Controllers: Follow the Controller-Service-Repository Pattern

👉 🚫 Stop Using Field Injection in Spring Boot: Use Constructor Injection

👉 🚫 Stop Sharing Databases Between Microservices: Use Database Per Service Pattern

👉 10 Java Microservices Best Practices Every Developer Should Follow

👉 How to Choose the Right Java Microservices Communication Style (Sync vs Async)

👉 How to Implement Event-Driven Communication in Java Microservices (Step-by-Step Guide with Kafka)

👉 Stop Building Tight-Coupled Microservices: Aim for Loose Coupling

👉 Spring Boot Microservices E-Commerce Project: Step-by-Step Guide

👉 Spring Boot Microservices with RabbitMQ Example

👉 React JS + Spring Boot Microservices

👉 The Ultimate Microservices Roadmap for Beginners: Building Modern Scalable Systems

👉 What Are Microservices in Spring Boot?

👉 Top 5 Message Brokers Every Developer Should Know

👉 Top 10 Spring Cloud Microservices Best Practices [Removed Deprecated Features]

👉 Best Tools for Microservices Development in 2025

👉 How to Break a Monolithic Application into Microservices (E-Commerce Use Case)

👉 Monoliths Aren’t Dead — Microservices Are Just Overused

👉 When to Break a Monolith: A Developer’s Checklist

👉 👑 Java Is Still the King of Microservices — And Here’s the Proof

👉 5 Microservices Design Patterns You Must Know in 2025

👉 Bulkhead Pattern in Microservices — Improve Resilience & Fault Isolation

👉 Strangler Fig Pattern in Microservices — Migrate Monolith to Microservices

👉 Event Sourcing Pattern in Microservices (With Real-World Example)

👉 Circuit Breaker Pattern in Microservices using Spring Boot 3, WebClient and Resilience4j

👉 CQRS Pattern in Microservices

👉 Aggregator Design Pattern in Microservices — A Complete Guide

👉 Database Per Service Pattern in Microservices

👉 API Gateway Pattern in Microservices — A Complete Guide

👉 Saga Pattern in Microservices: A Step-by-Step Guide

👉 Microservices Are a Mess Without These Java Design Patterns️

👉 Java Microservices Interview Questions and Answers for Freshers

👉 Top Microservices Interview Questions and Answers for Experienced Professionals

👉 Top 10 Microservices Design Pattern Interview Questions and Answers

👉 Top Microservices Tricky Interview Questions You Should Know (With Answers)

👉 Microservices Best Practices: Building Scalable and Resilient Systems

👉 Why Microservices Are the Future of Software Architecture

👉 Microservices with Spring Cloud: Simplify Your Architecture

👉 Spring Boot and Microservices Roadmap for Beginners [2025 Update]

👉 Best Programming Language for Microservices Project Development in 2025

👉 My 50+ Must-Read Microservices Tutorials, Articles and Guides on the Medium Platform

Newly Published Posts on Microservices in 2025

What are Microservices?

Microservices are a software architectural style in which a large application is built as a collection of small, independent services that communicate with each other over a network.

Each service is a self-contained unit of functionality that can be developed, tested, and deployed independently of the other services. This allows for more flexibility and scalability than a monolithic architecture, where all the functionality is contained in a single, large codebase.

Microservices can be written in different programming languages and use different technologies as long as they can communicate with each other through a common API.

Microservices are designed to be loosely coupled, meaning that changes to one service should not affect the other services. This makes it easier to update, maintain, and scale the application. Microservices architecture is best suited for large and complex applications that need to handle a high volume of traffic and be scaled horizontally.

Key Components of a Microservices Architecture

Core Services: Each service is a self-contained unit of functionality that can be developed, tested, and deployed independently of the other services.
Service registry: A service registry is a database of all the services in the system, along with their locations and capabilities. It allows services to discover and communicate with each other.
API Gateway: An API gateway is a single entry point for all incoming requests to the microservices. It acts as a reverse proxy, routing requests to the appropriate service and handling tasks such as authentication and rate limiting.
Message bus: A message bus is a messaging system that allows services to communicate asynchronously with each other. This can be done through protocols like HTTP, RabbitMQ, or Kafka.
Monitoring and logging: Monitoring and logging are necessary to track the health of the services and troubleshoot problems.
Service discovery and load balancing: This component is responsible for discovering service instances and directing traffic to the appropriate service instances based on load and availability.
Continuous integration and continuous deployment (CI/CD): To make the development and deployment process of microservices as smooth as possible, it is recommended to use a tool such as Jenkins, TravisCI, or CircleCI to automate the process of building, testing, and deploying microservices.