code-examples

code-examples is a collection of software projects implemented as POCs (Proof Of Concept)

Projects

All the projects that are part of this repository are listed below under the concept / framework it belongs to. Few of the projects implement multiple concepts so they would be listed under multiple topics.

Spring Circuit Breaker

• Alibaba Sentinel

  • Project :: alibaba-sentinel
  • Guide :: https://levelup.gitconnected.com/how-to-implement-a-circuit-breaker-in-microservice-with-alibaba-sentinel-d645f69b20ef

• Resilience4j

  • Project :: student, subject
  • Guide :: https://blog.devgenius.io/implementing-spring-cloud-circuit-breaker-with-resilience4j-cea647235cd7

Microservice Registry / Eureka / Spring Cloud Netflix

• Project :: eureka-server, demo-eureka
• Guide :: https://levelup.gitconnected.com/simple-implementation-of-eureka-server-with-springboot-780b64e19735

Spring Cloud OpenFeign / Feign

• Project :: eureka-server, student, subject
• Guide :: https://medium.com/javarevisited/simple-implementation-of-spring-cloud-openfeign-7f022630d01d

Spring Cloud Gateway / Microservice Gateway + Loadbalancer

• Project :: gateway
• Guide :: https://medium.com/javarevisited/how-to-use-spring-cloud-gateway-to-dynamically-discover-microservices-194c0c3869c6

Spring Cloud Config / Microservice External Configuration

• Project :: config-server-app
• Guide :: https://medium.com/javarevisited/external-configuration-in-microservices-spring-cloud-config-9c925f64749f

CQRS / Axon4

• Project :: axon
• Guide :: https://medium.com/javarevisited/simple-implementation-of-axon-4-with-springboot-and-mongo-db-6ee25008459d

Hexagonal Architecture

• Project :: hexagonal-architecture
• Guide :: https://medium.com/javarevisited/hexagonal-architecture-implementation-in-java-48a89c018247

Docker

• Project :: demo
• Guide :: https://medium.com/javarevisited/how-to-build-run-and-test-a-simple-springboot-app-in-docker-lab-test-style-e632b57265a8

Kafka

• With Kafka Java Client

  • Project :: kafka-demo
  • Guide :: No Guide

• With Spring Kafka

  • Project :: spring-kafka-demo
  • Guide :: https://medium.com/javarevisited/implementing-another-in-demand-spring-project-spring-kafka-85ee25ec14f8

Java Instrumentation

• Project :: java-instrumentation
• Guide :: https://medium.com/javarevisited/java-instrumentation-a-simple-working-example-in-java-a2c549024d9c

gRPC

• Project :: grpc
• Guide :: https://medium.com/javarevisited/what-is-grpc-is-it-better-than-rest-api-58a3b7aff13a

Reactive Programming RxJava

• Project :: reactive
• Guide :: https://medium.com/javarevisited/lets-explore-reactive-programming-through-rxjava-805b0137e5d

GraphQL

• Project :: graphql
• Guide :: https://medium.com/javarevisited/what-is-graphql-will-it-replace-rest-api-da2618001655

AOP + Spring Cloud Sleuth

• Project :: aspect
• Guide :: https://medium.com/javarevisited/how-to-build-an-effective-logging-system-using-aspect-and-spring-cloud-sleuth-8f7aed647545

ArchUnit

• Project :: arch-unit-demo
• Guide :: https://medium.com/javarevisited/how-to-test-java-architecture-with-archunit-fe8c018b7b57

Spring AI

• Project :: ai-sample
• Guide ::