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This article mainly explains "how docker packages the container into an image". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "docker how to package a container into an image".

1. First, quote the maven docker plug-in, open the java application jar package, and click the package button.

two。 Create a new docker folder and put the exported jar package into this folder

3. To create a new Dockerfile file, enter the following packaging command

FROM frolvlad/alpine-oraclejdk8:slimVOLUME / tmpADD agpt-admin-0.0.1-SNAPSHOT.jar app.jarRUN sh-c 'touch / app.jar'ENV LANG C.UTF-8ENV JAVA_OPTS= "" ENTRYPOINT ["sh", "- c", "java-Djava.security.egd=file:/dev/./urandom-jar / app.jar $JAVA_OPTS"]

4. Click the docker plug-in build command button, package it to the server successfully, and output log information.

5. Looking at the server's docker image directory, you can find the docker image we just exported.

Thank you for reading, the above is the content of "how docker packages the container into an image". After the study of this article, I believe you have a deeper understanding of how docker packages the container into an image, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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