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dockerfile
• 3.运行dockerfile
• 4.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
# 作者
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 complete
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
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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