[draft] Spring Boot Application Docker 컨테이너로 배포

Spring Boot Application Docker 컨테이너로 배포

Spring Boot 프로젝트 만들기

• Intellij로 spring boot 프로젝트 생성 : 변군이글루 블로그 : Intellij로 spring boot 프로젝트 생성

Dockerfile 파일 생성

• openjdk 17 도커 이미지(docker image) : https://hub.docker.com/_/openjdk

Intellij

Dockerfile

FROM openjdk:17.0.2-jdk

ARG JAR_FILE_PATH=build/libs/demo-0.0.1-SNAPSHOT.jar

COPY ${JAR_FILE_PATH} app.jar

EXPOSE 8080

ENTRYPOINT ["java","-jar","/app.jar"]

도커 빌드

• docker build --tag [도커허브/도커컨테이너이름:버전] .

docker build --tag anti1346/dockerforspringboot:1.0 .

>docker build --tag anti1346/dockerforspringboot:1.0 .
[+] Building 1.8s (7/7) FINISHED

빌드된 도커 이미지 확인

• docker image

docker images --filter=reference="anti1346/dockerforspringboot"

>docker images --filter=reference="anti1346/dockerforspringboot"
REPOSITORY            TAG       IMAGE ID       CREATED          SIZE
dockerforspringboot   1.0       667cb28de29b   12 minutes ago   490MB

도커 컨테이너 실행(docker run)

docker run -d -p 8080:8080 anti1346/dockerforspringboot:1.0

>docker run -d -p 8080:8080 anti1346/dockerforspringboot:1.0
1b73e7467f76a3bd3765cd285f5137e7991ddefaa2a6da60a23660d92fe62fde

도커 컨테이너 확인

docker ps

>docker ps
CONTAINER ID   IMAGE                     COMMAND                CREATED          STATUS          PORTS                    NAMES
1b73e7467f76   dockerforspringboot:1.0   "java -jar /app.jar"   29 seconds ago   Up 28 seconds   0.0.0.0:8080->8080/tcp   vigilant_goldstine

curl 명령으로 웹 페이지 확인

curl localhost:8080

>curl localhost:8080
Hello World!

docker hub login

• https://hub.docker.com 로그인

>docker login
Login with your Docker ID to push and pull images from Docker Hub. If you don't have a Docker ID, head over to https://hub.docker.com to create one.
Username: anti1346
Password:
Login Succeeded

Logging in with your password grants your terminal complete access to your account.
For better security, log in with a limited-privilege personal access token. Learn more at https://docs.docker.com/go/access-tokens/

docker hub push

docker push anti1346/dockerforspringboot:1.0

>docker push anti1346/dockerforspringboot:1.0
The push refers to repository [docker.io/anti1346/dockerforspringboot]
d0d0ee8475d4: Pushed
dc9fa3d8b576: Mounted from library/openjdk
27ee19dc88f2: Mounted from library/openjdk
c8dd97366670: Mounted from library/openjdk
1.0: digest: sha256:79a7808de187492ba8dd686d73c65c42c81106bd991d2f1618a7e35c9c6bcc28 size: 1166