How to copy files from docker

Copy files from the container to the host:

Execute the following command in the host:

docker cp 容器名：要拷贝的文件在容器里面的路径       要拷贝到宿主机的相应路径

Example:

Assume that the container is named testtomcat, and the path of the file to be copied from the container is: /usr/local/tomcat/webapps/test/js/test.js. Now we need to copy test.js from the container to the /opt path of the host machine. Next, how should the command be written?

Execute the command on the host:

docker cp testtomcat：/usr/local/tomcat/webapps/test/js/test.js /opt

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