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Most people do not understand the knowledge points of this article "SpringBoot packaging docker image release method", so the editor summarizes the following, detailed content, clear steps, and has a certain reference value. I hope you can get something after reading this article. Let's take a look at this "SpringBoot packaging docker image release method" article.

1: first build a SpringBoot project

You just need to add web dependencies

2: write a controller for testing

3: start this machine to see if you can access it successfully.

4: pack

5: find the location of the generated jar package

Start-up test of the 6:jar package

7: write Dockerfile files

8: upload our jar package and Dockerfile files to the server

9: use the uploaded file to build an image [root@iZwz9hv1phm24s3jicy8x1Z idea] # lsDockerfile Docker-Package-0.0.1-SNAPSHOT.jar [root@iZwz9hv1phm24s3jicy8x1Z idea] # docker build-t dongmu-springboot-project .Sending build context to Docker daemon 17.54MBStep 1Accord 5: FROM java:88: Pulling from library/java5040bd298390: 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:c1ff613e8ba25833d2e1940da0940c3824f03f802c449f3d1815a66b7f8c0e9dStatus: Downloaded newer image for java:8-- -> d23bdf5b1b1bStep 2EXPOSE 5: COPY / *. Jar / app.jar-- > a16d648390dfStep 3 server.port=8080 5: CMD ["--server.port=8080"]-- > Running in bc45f72484c7Removing intermediate container bc45f72484c7-- > 713861b331adStep 4 Running in bc45f72484c7Removing intermediate container bc45f72484c7 5: EXPOSE 8080-- > Running in 7a28e4939b5eRemoving intermediate container 7a28e4939b5e-- > 08f540832166Step 5EXPOSE 5: ENTRYPOINT ["java" "- jar" "/ app.jar"]-- > Running in 6cd669cd522cRemoving intermediate container 6cd669cd522c-- > 1fd9f50df534Successfully built 1fd9f50df534Successfully tagged dongmu-springboot-project:latest10: use image to run container [root@iZwz9hv1phm24s3jicy8x1Z idea] # docker imagesREPOSITORY TAG IMAGE ID CREATED SIZEdongmu-springboot-project latest 1fd9f50df534 About a minute ago 661MBredis 5.0.9-alpine3.11 3661c84ee9d0 24 months ago 29.8MBtomcat 9.0.22 c856951ade0a 2 years ago 624MBjava 8 d23bdf5b1b1b 5 years ago 643MB [root@iZwz9hv1phm24s3jicy8x1Z idea] # docker run-d-P-- name dongmu-springboot-web dongmu-springboot-projectc63282034de4e9dca727c93009e29f421bcd2544557a60b6339fa8056cc1d0d511: test access [root@iZwz9hv1phm24s3jicy8x1Z idea] # docker psCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMESc63282034de4 dongmu-springboot-project "java-jar / app.jar..." 34 seconds ago Up 33 seconds 0.0.0.0 8080/tcp 49166-> 8080/tcp,:: 49166-> 8080/tcp dongmu-springboot-web [root@iZwz9hv1phm24s3jicy8x1Z idea] # curl localhost 49166 Apache Tomcat/9.0.50. Access successful

Above is the internal access, let's restart the access using the external network.

[root@iZwz9hv1phm24s3jicy8x1Z idea] # docker run-d-p 3344Mun8080-- name dongmu-springboot-web dongmu-springboot-project35f3b4fe0f9a4b878d6566a9f4334fc98e7841b1fc5eb7869dd0044d4fb44d6d

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