Event-Driven Architecture & CQRS — Spring Boot 3.4 Architecture Blueprint

Scaffold production-ready Event-Driven Architecture & CQRS for Spring Boot 3.4: Command and Query segregation, Transactional Outbox pattern with atomic database writes, and Kafka streaming. Pre-wired JPA, starters, and Docker Compose.

Overview & Architecture Pattern

Command and Query segregation, Transactional Outbox pattern with atomic database writes, and Kafka streaming.

Architecture Pattern: Distributed Architecture

Primary Use Case: Financial transaction ledgers, distributed sagas, audit event trails without two-phase commit.

Included Dependencies & Starters

spring-boot-starter-web, spring-kafka, data-jpa, postgresql, flyway

Domain Entities & Scaffolding Defaults

OrderCommandEntity (write model), OutboxEvent (aggregateType, aggregateId, eventType, payload, published)

Quickstart: Running Your Project

# 1. Start required infrastructure containers
docker compose up -d

# 2. Run the Spring Boot 3.4 application (Maven)
./mvnw spring-boot:run

# Or run with Gradle
./gradlew bootRun

Frequently Asked Questions

What starters are included in the Event-Driven Architecture & CQRS blueprint?
The Event-Driven Architecture & CQRS blueprint includes spring-boot-starter-web, spring-kafka, data-jpa, postgresql, flyway, pre-configured application.yml properties, and production-ready connection pools.
How do I run the generated Event-Driven Architecture & CQRS project locally?
Extract the downloaded ZIP, start dependencies with 'docker compose up -d', and execute './mvnw spring-boot:run' (Maven) or './gradlew bootRun' (Gradle).
Can I customize entities and database schemas in this blueprint?
Yes, SpringForge allows you to visually add or modify JPA entities, field types, validation rules, and relational mappings, or import SQL DDL schemas.