🚀 Introduction to Reactive Programming with Spring Ecosystem

Welcome to the repository for "Introduction to Reactive Programming" — a hands-on guide and presentation designed to help developers understand the core concepts and paradigms of reactive programming using real-world examples built with:

• Spring WebFlux
• Project Reactor
• R2DBC
• Reactive Streams

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📂 Repository Structure

This repo contains both a presentation deck and sample projects illustrating different facets of reactive programming using the Spring ecosystem.

.
├── presentation/
│   └── Reveal.js proejct + PDF Export: presentation.pdf
├── icecream-service/
│   └── # Used as an external service mock
├── imperative/
│   └── # Imperative style restaurant example
├── reactive/
│   └── # Reactive style restaurant example
├── reactor-tests/
│   └── # Project Reactor basic examples
├── webshop-imperative/
│   └── # Imperative webshop examples (based on JDBC)
├── webshop-reactive/
│   └── # Reactive webshop examples (based on R2DBC)
└── README.md

🧪 Getting Started

Prerequisites

• Java 17+ / Kotlin
• Maven
• PostgreSQL (for the R2DBC example)

Clone the Repo

git clone https://github.com/your-username/reactive-spring-intro.git

Database credentials and configuration are in each module's application.yml or .properties file.

🎓 Presentation

The presentation/ folder contains the introductory slides in PDF format. Great for workshops or self-paced learning.

🤝 Contributing

Feel free to fork, raise issues, or submit PRs to improve examples or add more use cases!

Used resources

• Project Reactor: https://projectreactor.io/learn
• Spring WebFlux: https://docs.spring.io/spring-framework/reference/web/webflux/new-framework.html
• Sample-Database for the webshop: https://github.com/JannikArndt/PostgreSQLSampleDatabase
• Images used in presentation: https://www.freepik.com

Happy Reactive Coding! ⚛️