How to view files in Docker image

How to view files in a docker image

1. If it is already running

For the already running image, we can view it by its ContrainerID

docker attach ContainerID

In this way, the corresponding container must be running and not in the stopped state.

2. If it is not running

If it is not running, you can copy the files in the Docker image to the host. The command is as follows:

docker cp <container name>:<path> <host path>

like:

sudo docker cp nginx-ubuntu-container:/etc/apt/sources.list ~/Documents/

This method does not require the corresponding container to be running.

Content extension:

Copy the file from the container to the host, which is the id of the container process

docker cp container process id:/logs/temp ./

Get data from the host via scp

scp remote_user@remoteIp:/logs.temp ./

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