Event-Driven Microservices, CQRS, SAGA, Axon, Spring Boot

Course Curriculum

Chapter 1: Introduction

Lecture 1: Introduction

Lecture 2: Source code

Lecture 3: Microservice vs Monolithic application

Lecture 4: Microservices Architecture Overview

Lecture 5: Event-Driven Microservices

Lecture 6: Transactions in Microservices

Lecture 7: Choreography-Based Saga

Lecture 8: Orchestration-Based Saga

Lecture 9: Frameworks that we can use

Lecture 10: (CQRS)Command Query Responsibility Segregation

Lecture 11: Event Sourcing

Lecture 12: Axon Framework and Axon Server

Lecture 13: AxonIQ Console

Lecture 14: What if I have questions?

Chapter 2: Software

Lecture 1: Introduction

Lecture 2: Download and run Docker Desktop

Lecture 3: Spring Tool Suite

Lecture 4: Download and Install Postman HTTP client

Chapter 3: Creating a Basic Microservice

Lecture 1: Introduction

Lecture 2: Creating a new project. Products Microservice.

Lecture 3: Creating a Rest Controller class

Lecture 4: Handle HTTP POST, GET, PUT and DELETE Requests

Lecture 5: Trying how it works

Chapter 4: Eureka Discovery

Lecture 1: Introduction

Lecture 2: Creating new project

Lecture 3: Configure project as Eureka Server

Lecture 4: Registering Microservices with Eureka

Lecture 5: Trying how it works

Chapter 5: Spring Cloud API Gateway & Load Balancing

Lecture 1: Introduction

Lecture 2: Creating Spring Cloud API Gateway project

Lecture 3: Automatic Routing with Resource Locator

Lecture 4: Random Port Number

Lecture 5: Starting Multiple instances of Products Microservice

Lecture 6: Trying how load balancing work

Chapter 6: Axon Server – Getting Started

Lecture 1: Introduction

Lecture 2: Download and run Axon Server as JAR application

Lecture 3: Axon Server configuration properties

Lecture 4: A complete list of Axon Server configuration properties

Lecture 5: Run Axon Server in a Docker container

Lecture 6: Running Axon Server in Docker Blog Post

Lecture 7: Start, Stop, Delete Axon Server Docker Container By ID

Lecture 8: Configure Axon Server running in Docker Container

Chapter 7: CQRS Pattern. Products Microservice.

Lecture 1: Introduction

Lecture 2: Accept HTTP Request Body

Lecture 3: Trying how it works

Lecture 4: Adding Axon Framework Spring Boot Starter

Lecture 5: Upgrading Axon Framework to 4.7.0

Lecture 6: Creating a new Command class

Lecture 7: Creating a new CreateProductCommand object

Lecture 8: Send Command to a Command Gateway

Lecture 9: Product Aggregate – Introduction

Lecture 10: Creating ProductAggregate class

Lecture 11: Validate the CreateProductCommand

Lecture 12: Creating ProductCreatedEvent

Lecture 13: Apply and Publish the Product Created Event

Lecture 14: @EventSourcingHandler

Lecture 15: Adding Additional Dependency

Lecture 16: Trying how it works

Lecture 17: Previewing Event in the EventStore

Chapter 8: CQRS. Persisting Event in the Products database.

Lecture 1: Introduction

Lecture 2: Adding Spring Data JPA & H2 dependencies

Lecture 3: Configure database access in the application.properties file

Lecture 4: Creating an ProductEntity

Lecture 5: Creating ProductRepository

Lecture 6: Creating Products Events Handler/Projection

Lecture 7: Implementing @EventHandler method

Lecture 8: Trying how it works

Lecture 9: Preview Product record in a database

Chapter 9: CQRS. Querying Data

Lecture 1: Introduction

Lecture 2: Creating Rest Controller

Lecture 3: Refactor Command API Rest Controller

Lecture 4: Get Products web service endpoint

Lecture 5: Querying the QueryGateway

Lecture 6: Creating ProductsQueryHandler

Lecture 7: Implementing the findProducts() method

Lecture 8: Trying how it works

Chapter 10: Validating Request Body. Bean Validation.

Lecture 1: Introduction to Bean Validation

Lecture 2: Bean validation. Enable Bean Validation.

Lecture 3: Bean validation. Validating Request Body.

Lecture 4: Hibernate Validator Documentation

Lecture 5: Trying how the Request Body Validation works.

Chapter 11: Validation in the @CommandHandler method

Lecture 1: Introduction

Lecture 2: Command validation in the Aggregate

Chapter 12: Validation. Message Dispatch Interceptor.

Lecture 1: Introduction to Message Dispatch Interceptor

Lecture 2: Creating a new Command Interceptor class

Lecture 3: Register Message Dispatch Interceptor

Lecture 4: Trying how the Command Interceptor works.

Chapter 13: Validation. How to check if record exists?