IntelliJ

https://freehoon.tistory.com/147

Spring Boot 시작하기

https://start.spring.io/

https://spring.io/guides/gs/spring-boot/

actuator

https://jeong-pro.tistory.com/160

To Docker

https://spring.io/guides/gs/spring-boot-docker/

https://medium.com/@gaemi/spring-boot-과-docker-with-jib-657d32a6b1f0

Dockerfile 빌드

mkdir -p build/dependency && (cd build/dependency; jar -xf ../libs/*.jar)

$ docker build -t spring-server .

Build a Docker Image with Gradle

build image

gradlew bootBuildImage --imageName=spring-server

run

docker run -p 8080:8080 -t spring-server

run with environment

docker run -e "SPRING_PROFILES_ACTIVE=prod" -p 8080:8080 -t spring-server

or

docker run -e "SPRING_PROFILES_ACTIVE=dev" -p 8080:8080 -t spring-server

debug

docker run -e "JAVA_TOOL_OPTIONS=-agentlib:jdwp=transport=dt_socket,address=5005,server=y,suspend=n" -p 8080:8080 -p 5005:5005 -t spring-server

Push to docker hub

docker tag spring-server qwlake/spring-server:{tagname}
docker push qwlake/spring-server:{tagname}

Pull from docker hub

docker pull qwlake/spring-server:tagname

What java.security.egd option is for?

https://stackoverflow.com/questions/58991966/what-java-security-egd-option-is-for

Database

docker-compose -f db.yml up

https://www.javaguides.net/2019/01/springboot-postgresql-jpa-hibernate-crud-restful-api-tutorial.html

Issue

Consider defining a bean named ‘entityManagerFactory’ in your configuration.

Spring Boot (개념 참고)

Spring MVC 구조의 처리 과정을 설명해보시오. (MVC process)

https://jeong-pro.tistory.com/96

Spring singleton pattern

https://medium.com/webeveloper/싱글턴-패턴-singleton-pattern-db75ed29c36

IoC Inversion of Control

객체 생성 삭제 등에 관한 모든 권한을 스프링에 넘기고 난 필요한 것만 호출

DI Dependency Injection

싱글톤 패턴으로 생성된 빈 객체를 주입 → autowired로 가져와 사용

Dispatcher-Servlet

[Spring] Spring Boot 에서 gRPC로 크롤링 MS 호출하기 - IntelliJ 설치부터 스프링부트 개념과 도커를 통한 실행까지