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This article mainly explains "how to use Dockerfile to run a simple Java program". The content of 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 "how to use Dockerfile to run a simple Java program".

Prepare a java web project that has no third-party dependencies.

Upload the war package to the host directory on the server where the docker software is installed. Create the Dockerfile in the sibling directory.

Write the contents of Dockerfile files.

# basic image uses tomcat:7.0.88-jre8FROM tomcat:7.0.88-jre8# author MAINTAINER zp # to define environment variable ENV TOMCAT_BASE/ usr/local/tomcat# copy war package COPY. / session-web.war $TOMCAT_BASE/webapps/

Perform a build

Docker build-t test-web:latest.

If the build is successful, the hierarchical information and results of the build are displayed.

After a successful build, use the docker images command to see if the image exists locally.

Run Mirror

Docker run-name test-web-d-p 8888purl 8080 test-web:latest

Use netstat-an | grep 8888 to verify that the port is listening after startup.

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