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How SpringBoot packages docker images for release

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May 24, 2023 pm 06:31 PM

dockerspringboot

1: First build a SpringBoot project

Only need to add web dependencies

2: Write a controller for testing

How SpringBoot packages docker images for release

3: Start the local machine and observe whether it can successfully access

How SpringBoot packages docker images for release

##4: Packaging

How SpringBoot packages docker images for release

5: Find the location of the generated jar package

How SpringBoot packages docker images for release

6: Start running test of the jar package

How SpringBoot packages docker images for release

7: Write the Dockerfile file

How SpringBoot packages docker images for release ##8: Upload our jar package and Dockerfile file to the server

How SpringBoot packages docker images for release 9: Use the uploaded file to build the image

[root@iZwz9hv1phm24s3jicy8x1Z idea]# ls
Dockerfile  Docker-Package-0.0.1-SNAPSHOT.jar
[root@iZwz9hv1phm24s3jicy8x1Z idea]# docker build -t dongmu-springboot-project .
Sending build context to Docker daemon  17.54MB
Step 1/5 : 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 2/5 : COPY /*.jar /app.jar
 ---> a16d648390df
Step 3/5 : CMD ["--server.port=8080"]
 ---> Running in bc45f72484c7
Removing intermediate container bc45f72484c7
 ---> 713861b331ad
Step 4/5 : EXPOSE 8080
 ---> Running in 7a28e4939b5e
Removing intermediate container 7a28e4939b5e
 ---> 08f540832166
Step 5/5 : ENTRYPOINT ["java","-jar","/app.jar"]
 ---> Running in 6cd669cd522c
Removing intermediate container 6cd669cd522c
 ---> 1fd9f50df534
Successfully built 1fd9f50df534
Successfully tagged dongmu-springboot-project:latest

10: Use the image to run the container

[root@iZwz9hv1phm24s3jicy8x1Z idea]# docker images
REPOSITORY                  TAG                IMAGE ID       CREATED              SIZE
dongmu-springboot-project   latest             1fd9f50df534   About a minute ago   661MB
redis                       5.0.9-alpine3.11   3661c84ee9d0   24 months ago        29.8MB
tomcat                      9.0.22             c856951ade0a   2 years ago          624MB
java                        8                  d23bdf5b1b1b   5 years ago          643MB
[root@iZwz9hv1phm24s3jicy8x1Z idea]# docker run -d -P --name dongmu-springboot-web dongmu-springboot-project
c63282034de4e9dca727c93009e29f421bcd2544557a60b6339fa8056cc1d0d5

11: Test access

[root@iZwz9hv1phm24s3jicy8x1Z idea]# docker ps
CONTAINER ID   IMAGE                       COMMAND                  CREATED          STATUS          PORTS                                         NAMES
c63282034de4   dongmu-springboot-project   "java -jar /app.jar …"   34 seconds ago   Up 33 seconds   0.0.0.0:49166->8080/tcp, :::49166->8080/tcp   dongmu-springboot-web
[root@iZwz9hv1phm24s3jicy8x1Z idea]# curl localhost 49166
<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <title>Apache Tomcat/9.0.50</title>
        <link href="favicon.ico" rel="icon" type="image/x-icon" />
        <link href="tomcat.css" rel="stylesheet" type="text/css" />
    </head>
......
访问成功

The above is internal access, let’s restart and use the external network to access

[root@iZwz9hv1phm24s3jicy8x1Z idea]# docker run -d -p 3344:8080 --name dongmu-springboot-web dongmu-springboot-project
35f3b4fe0f9a4b878d6566a9f4334fc98e7841b1fc5eb7869dd0044d4fb44d6d

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