spring
https://spring.io/projects/spring-boot
kotlin + coroutine
https://spring.io/projects/spring-boot
java + gc
https://docs.oracle.com/en/java/
mysql
https://dev.mysql.com/doc/
elasticsearch
https://www.elastic.co/guide/en/elasticsearch/reference/current/index.html
test
junit
trouble shooting
대용량 트래픽
시스템 디자인
https://www.enjoyalgorithms.com/system-design/
https://learn.microsoft.com/en-us/azure/architecture/changelog
https://microservices.io/patterns/index.html
https://microservices.io
#Study-Material