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## Redis 설정을 추가 합니다.
[root@workspace-vm sanse-reactive-link-shortener-sample-app]# cat src/main/resources/application.properties
app.baseUrl=http://localhost:8080/
## host 와 port를 추가 합니다.
spring.redis.host=redis
spring.redis.port=6379
| youtube.com/watch?v=7ySIgJKhEI0 |
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Dockerfile
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FROM maven:3.6.3-openjdk-8-slim AS build
WORKDIR /usr/app
COPY . /usr/app
RUN mvn clean package -Dmaven.test.skip=true
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## 어플리케이션을 수정하였으므로, 재 패키징 합니다.
[root@workspace-vm sanse-reactive-link-shortener-sample-app]# ./mvnw clean package |
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FROM openjdk:8-jdkjre-alpine
COPY --from=build /usr/app/target/*.jar /app.jar
EXPOSE 8080
ENTRYPOINT ["java","-jar","/app.jar"] |
Docker Image Build
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## Docker images를 생성합니다.
[root@workspace-vm sanse-reactive-link-shortener-sample-app]# docker build -t reactor-demo:1.0 .
Sending build context to Docker daemon 25.35MB
Step 1/4 : FROM openjdk:8-jdk-alpine
8-jdk-alpine: Pulling from library/openjdk
bdf0201b3a05: Pull complete
9e12771959ad: Pull complete
018b76c3c533: Pull complete
Digest: sha256:ced4c16db19a0c7a813bb33ba379b7f7fdf48ce096c57750eb911b4bd928ffa9
Status: Downloaded newer image for openjdk:8-jdk-alpine
---> ece449e0acb8
Step 2/4 : COPY target/*.jar app.jar
---> 274a6f613050
Step 3/4 : EXPOSE 8080
---> Running in b540382aa918
Removing intermediate container b540382aa918
---> f2236a423d06
Step 4/4 : ENTRYPOINT ["java","-jar","/app.jar"]
---> Running in 508bf9cdfdaf
Removing intermediate container 508bf9cdfdaf
---> cb99c11f4409
Successfully built cb99c11f4409
Successfully tagged reactor-demo:1.0
[root@workspace-vm sanse-reactive-link-shortener-sample-app]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
reactor-demo 1.0 cb99c11f4409 10 seconds ago 130MB
openjdk 8-jdk-alpine ece449e0acb8 12 hours ago 105MB
redis latest a55fbf438dfd 5 weeks ago 95MB
quay.io/testcontainers/ryuk 0.2.2 527073eb32d1 15 months ago 9.31MB
redis 4.0.2 8f2e175b3bd1 18 months ago 107MB
[root@workspace-vm sanse-reactive-link-shortener-sample-app]# |
Docker Image Tag
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## Docker image tag를 추가 합니다.
[root@workspace-vm sanse-reactive-link-shortener-sample-app]# docker tag reactor-demo:1.0 sooabia/reactor-demo:1.0
[root@workspace-vm sanse-reactive-link-shortener-sample-app]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
reactor-demo 1.0 cb99c11f4409 About a minute ago 130MB
sooabia/reactor-demo 1.0 cb99c11f4409 About a minute ago 130MB
openjdk 8-jdk-alpine ece449e0acb8 12 hours ago 105MB
redis latest a55fbf438dfd 5 weeks ago 95MB
quay.io/testcontainers/ryuk 0.2.2 527073eb32d1 15 months ago 9.31MB
redis 4.0.2 8f2e175b3bd1 18 months ago 107MB |
Docker Hub에 Push
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## Docker hub에 push 합니다.
[root@workspace-vm sanse-reactive-link-shortener-sample-app]# 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: sooabia
Password:
WARNING! Your password will be stored unencrypted in /root/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store
Login Succeeded
[root@workspace-vm sanse-reactive-link-shortener-sample-app]#
[root@workspace-vm sanse-reactive-link-shortener-sample-app]# docker push sooabia/reactor-demo:1.0
The push refers to repository [docker.io/sooabia/reactor-demo]
db9c523483cf: Pushed
560e8fc5dfa2: Mounted from library/openjdk
dee6aef5c2b6: Layer already exists
a464c54f93a9: Layer already exists
1.0: digest: sha256:1451d515475d33654038a8f95e37ed39b834f0b162de86876ea15718741f6828 size: 1159
[root@workspace-vm sanse-reactive-link-shortener-sample-app]# |
Docker Container실행 of DockerHubImage
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## Docker 이미지로 어플리케이션 실행
[root@workspace-vm sanse-reactive-link-shortener-sample-app]# docker run -d -p 808080:8080 --link redis sooabia/reactor-demo:1.0
4cef1da580aad24a586f307b31a54a202912617d09f7996777b7b2fc56dfe717
[root@workspace-vm sanse-reactive-link-shortener-sample-app]#
## 어플리케이션 호출
[root@workspace-vm reactive-link-shortener-sample-app]# curl -XPOST http://localhost/link -H "Content-Type: application/json" -d "{\"link\":\"http://wiki.iisanse.com\"}"
{"shortenedLink":"gjCiOz"} |
Docker Container정리
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## Docker container 정리
[root@workspace-vm reactive-link-shortener-sample-app]# docker rm $(docker ps -a | awk '{print$1}') --force
4cef1da580aa
8ebd440fdd83
[root@workspace-vm reactive-link-shortener-sample-app]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES |