from-paris-to-berlin-circuit-breaker

Technologies used

Please check the TechStack.md file for details.

Introduction

The idea of this project is to take passengers from Paris to Berlin. However, in our simulation, the weather is bad and so the lines will be failing. The role of kystrix here is to avoid a massive traffic flow to blocked roads and instead to get the cars somewhere else.

The idea of Kystrix is the same as Hystrix. These are circuit-breakers responsible to stop the flow of requests to certain endpoints and make them fail or redirect to somewhere else.

Hystrix is, however, no longer in development, and instead we have Resilience4J.

This means that although we can hope that Kystrix gets more standardized, it appears to be that Resilience4J is the way to go at this time.

Stable releases

0.0.0 - bc013410e0f9db81b84979746cbb88fe32bdb5cf - Docker with IP's / Kotlin 1.8 / JDK17

Project Layout

From Paris to Berlin Data - Common Data Library used in all executable projects
From Paris to Brlin City Generator - Generates a City JSON which can be fed to the main application
From Paris to Berlin Kystrix Demo - A simplified Kystrix demo independently of Spring
From Paris to Berlin Resilience4J Runnable Demo - Creating Circuit Breakers using programmatic Resilience4J independently of Spring
From Paris to Berlin Resilience4J Spring Demo - Creating Circuit Breakers using programmatic Resilience4J using Spring
From Paris to Berlin Resilience4J AOP Spring Demo - Creating Circuit Breakers using AOP(Aspect Oriented Programming) and declarative Resilience4J
From Paris to Berlin Web - Front end application to support the Paris to Berlin Game

Java Setup

sdk install java 17-open
sdk use java 17-open

How to run locally

Docker-Compose

Start Image

make dcup-full-action

Start Demo

make demo-docker

Go to localhost:9000

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