springboot运行到dokcer中 dockerfile的场景分析

springboot运行到dokcer中 dockerfile的场景分析

目录1.场景2.编写springboot项目打包上传linux服务器2.1将jar包和docker放到同一个目录2.2编写dockerfile3.运行dockerfile4.查看镜像5.运行镜像6.运行

1.场景

stringboot - > spring boot .jar -> dockerfile---> run dokcerfile

2.编写springboot 项目打包上传linux服务器

2.1 将jar 包和 docker放到同一个目录

-rw-r--r-- 1 root root 19514674 2月 27 22:48 myspringbootdocker.jar

[root@basenode springbootdocker]# pwd

/opt/springbootdocker

[root@basenode springbootdocker]#

2.2 编写dockerfile

1.需要注意的是 jar包名字不能有大写2.Dockerfile 的文件名 首字母D 必须大写

[root@basenode springbootdocker]# vi Dockerfile

# 基础镜像使用java

FROM java:8

MAINTAINER wudl

# VOLUME 指定临时文件目录为/tmp，在主机/var/lib/docker目录下创建了一个临时文件并链接到容器的/tmp

VOLUME /tmp

# 将jar包添加到容器中并更名为zzyy_docker.jar

ADD myspringbootdocker.jar /myspringbootdocker.jar

# 运行jar包

RUN bash -c 'touch /myspringbootdocker.jar'

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

#暴露18088端口作为微服务

EXPOSE 18088

3. 运行dockerfile

命令 docker build -t myspringbootdocker:1.6 .

[root@basenode springbootdocker]# docker build -t myspringbootdocker:1.6 .

Sending build context to Docker daemon 19.52MB

Step 1/7 : FROM java:8

8: Pulling from library/java

5040bd298390: Pull complethttp://e

fce5728aad85: Pull complete

76610ec20bf5: Pull complete

60170fec2151: Pull complete

e98f73de8f0d: Pull complete

11f7af24ed9c: Pull complete

49e2d6393f32: Pull complete

bb9cdec9c7f3: Pull complete

Digest: sha256:c1ff613e8ba25833d2e1940da0940c3824f03f802c449f3d1815a66b7f8c0e9d

Status: Downloaded newer image for java:8

---> d23bdf5b1b1b

Step 2/7 : MAINTAINER wudl

---> Running in 91addd3bc917

Removing intermediate container 91addd3bc917

---> 7982d20f4554

Step 3/7 : VOLUME /tmp

---> Running in 6973feea6ef5

Removing intermediate container 6973feea6ef5

---> c2feccd04de7

Step 4/7 : ADD myspringbootdocker.jar /myspringbootdocker.jar

---> fa79952fe484

Step 5/7 : RUN bash -c 'touch /myspringbootdocker.jar'

---> Running in f75bf573ec70

Removing intermediate container f75bf573ec70

---> 6d82fe109ae7

Step 6/7 : ENTRYPOINT ["java","-jar","/myspringbootdocker.jar"]

---> Running in 3fce2f523b70

Removing intermediate container 3fce2f523b70

---> 80ef7731c159

Step 7/7 : EXPOSE 18088

---> Running in 2d1179d0cfb4

Removing intermediate container 2d1179d0cfb4

---> 3f4e689e54db

Successfully built 3f4e689e54db

Successfully tagged myspringbootdocker:1.6

[root@basenode springbootdocker]#

4.查看镜像

[root@basenode springbootdocker]# docker images

REPOSITORY TAG IMAGE ID CREATED SIZE

myspringbootdocker 1.6 3f4e689e54db 2 minutes ago 682MB

centosjava8 1.5 14fad190b338 4 weeks ago 801MB

nacos/nacos-server v2.0.4 ea54f31c46e4 5 weeks ago 1.07GB

tomcat latest fb5657adc892 2 months ago 680MB

mysql 5.7 c20987f18b13 2 months ago 448MB

apache/incubator-doris build-env-latest cc924653f13d 2 months ago 4.24GB

http://apache/incubator-doris build-env-for-0.15.0 e568f7b2e1d8 3 months ago 3.54GB

5. 运行镜像

docker run -d -p 18089:18088 3f4e689e54db

[root@basenode springbootdocker]# docker run -d -p 18089:18088 3f4e689e54db

5040141bd7d5700d8310a70309f940bb452656c0e909c6c6e138f7f6a9f65295

[root@basenode springbootdocker]#

6. 运行

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