Spring Boot Tutorial 0/110 lessons ~6 min read Lesson 100
Real Production Folder Structure
How serious teams organise a Spring Boot service.
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Focus
2 guided sections
Practice signal
Concept-first lesson
Career prep
Foundation builder
Introduction
How serious teams organise a Spring Boot service. Package by feature, then layered inside.
Syntax reference
bash
com.acme.orders/├── OrdersApplication.java├── config/│ ├── SecurityConfig.java│ ├── KafkaConfig.java│ └── ObservabilityConfig.java├── orders/ ← feature: orders│ ├── api/│ │ ├── OrderController.java│ │ ├── dto/│ │ └── ApiExceptionHandler.java│ ├── application/│ │ ├── PlaceOrderUseCase.java│ │ ├── CancelOrderUseCase.java│ │ └── OrderQueries.java│ ├── domain/│ │ ├── Order.java ← aggregate root│ │ ├── OrderItem.java│ │ └── events/OrderPlaced.java│ └── infrastructure/│ ├── persistence/│ │ ├── JpaOrderRepository.java│ │ └── OrderEntity.java│ └── messaging/│ └── OrderEventsPublisher.java├── billing/ ← feature: billing│ └── ...└── shared/ ← truly cross-cutting├── ids/└── money/
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