Full Reactive Stack with Spring Boot, WebFlux and MongoDB
Full Reactive Stack with Spring Boot, WebFlux and MongoDB
About the Book
You will learn how to develop Reactive Web endpoints using Spring Reactor and Spring WebFlux, the alternative to MVC. To make it full-reactive, you will use MongoDB since it provides a reactive driver integrated with Spring Data.
This book shows how to build a simple Angular application (since the book focuses more on the backend) that uses RxJS and EventSource to connect to the reactive flow provided by the backend (supported by WebSockets).
To make easier the build and deploy of the application, the source code includes docker-compose files that you can use to run the complete reactive stack.
Benchmark and WebFlux vs. MVC analysis
The last chapter is focused on comparing MVC with WebFlux in a practical way, and analysing what are the pros/cons depending on your use case.
All the source code related to this book is available on GitHub.
Note: This mini-book is based on the posts Full Reactive Stack Guide, but their format has been adapted so it's easier to read as a complete guide.
Chapter 1: The Reactive Web
- Reactive Web Patterns
- WebFlux and Project Reactor
- Reactive Web: Advantages
- Is Non-Blocking the same as Reactive?
- The application
Chapter 2: Full Reactive Stack Backend
- Project Reactor – Main Features
- WebFlux – Main Features
- Creating the application
- Repository Layer
- The Reactive Controller
- The Blocking Controller and Repository
- Loading data into MongoDB with an ApplicationRunner
- Running the backend
- Playing with Reactive and Classic endpoints
Chapter 3: Connecting Angular with the WebFlux Backend
- Why Angular?
- Creating the Angular application
- UI Application Overview
- The Angular Reactive service
- The Angular Components – Quick Overview
- Running the frontend
Chapter 4: Conclusions
- WebFlux vs. Blocking (MVC): user experience
- WebFlux vs. Blocking (MVC): performance
- WebFlux vs. Blocking (MVC): ease of development
Appendix: Running the application in Docker
- Generate the build artifacts
- Build and run the Spring Boot app in Docker
- Build the Angular app and run it in Docker
- Putting everything together with Docker Compose
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