Microservice Architecture with Spring Boot, Spring Cloud and Docker
https://github.com/sqshq/piggymetrics
https://github.com/RameshMF/PiggyMetrics

Free Spring Boot Microservices Open Source Projects
https://www.javaguides.net/2020/06/free-spring-boot-microservices-open-source-projects-github.html]

Real-Time Fraud Detection with Microservices
https://github.com/melofred/FraudDetection-Microservices

House rent mvp system using microservices architecture - built using Spring Cloud.
https://github.com/KNehe/House-Rent-MicroServices

Code repository for my Building Microservices YouTube series - Golang
https://github.com/nicholasjackson/building-microservices-youtube

Native microservices with SparkJava and Graal
https://www.javacodegeeks.com/2019/01/native-microservices-sparkjava-graal.html

MSA 패턴: 핵심패턴만 빠르게 이해하기
https://happycloud-lee.tistory.com/154
https://microservices.io/patterns/
https://docs.microsoft.com/ko-kr/dotnet/architecture/microservices/

A curated list of Microservice Architecture related principles and technologies.
https://github.com/mfornos/awesome-microservices

Monitoring Microservices the Right Way
https://www.infoq.com/articles/microservice-monitoring-right-way/