Detailed explanation of docker cp command

The docker cp command can copy files or directories between the container and the local file system of the machine executing the command.

(Recommended: docker tutorial)

1. Use the format

(1) Copy the file or directory from the container to the machine where the command is executed. Specify the path

docker cp [OPTIONS] CONTAINER:SRC_PATH DEST_PATH|-

(2) Copy the file or directory from the machine where the command is executed to the specified path inside the container

docker cp [OPTIONS] SRC_PATH|- CONTAINER:DEST_PATH

2. Unique option description

• --follow-link, -L, always follow the symbol link in SRC_PATH
  

3. Function description

## The #docker cp command is similar to the cp -a command in UNIX, recursively copying all subdirectories and files in the directory. -Indicates reading or writing tar files in a stream through the standard input/output device.

The path in the local file system can be an absolute path or a relative path. The paths in the container relative to the path of the current command execution are all relative to the /root path of the container. The container being operated can be running or stopped. Files under /proc, /sys, /dev, tmpfs and the mount path in the container cannot be copied.

4、Example

docker cp ~/ba-208/. ${CONTAINER}:/home/myname/ba
docker cp ./. ${CONTAINER}:/home/myname/ba

The above is the detailed content of Detailed explanation of docker cp command. For more information, please follow other related articles on the PHP Chinese website!