docker container diff

Estimated reading time: 3 minutes

Description

Inspect changes to files or directories on a container’s filesystem

Usage

docker container diff CONTAINER

Parent command

Command	Description
docker container	Manage containers

Command	Description
docker container attach	Attach to a running container
docker container commit	Create a new image from a container’s changes
docker container cp	Copy files/folders between a container and the local filesystem
docker container create	Create a new container
docker container diff	Inspect changes to files or directories on a container’s filesystem
docker container exec	Run a command in a running container
docker container export	Export a container’s filesystem as a tar archive
docker container inspect	Display detailed information on one or more containers
docker container kill	Kill one or more running containers
docker container logs	Fetch the logs of a container
docker container ls	List containers
docker container pause	Pause all processes within one or more containers
docker container port	List port mappings or a specific mapping for the container
docker container prune	Remove all stopped containers
docker container rename	Rename a container
docker container restart	Restart one or more containers
docker container rm	Remove one or more containers
docker container run	Run a command in a new container
docker container start	Start one or more stopped containers
docker container stats	Display a live stream of container(s) resource usage statistics
docker container stop	Stop one or more running containers
docker container top	Display the running processes of a container
docker container unpause	Unpause all processes within one or more containers
docker container update	Update configuration of one or more containers
docker container wait	Block until one or more containers stop, then print their exit codes

Extended description

List the changed files and directories in a container᾿s filesystem since the container was created. Three different types of change are tracked:

Symbol	Description
`A`	A file or directory was added
`D`	A file or directory was deleted
`C`	A file or directory was changed

You can use the full or shortened container ID or the container name set using docker run –name option.

EXAMPLES

Inspect the changes to an nginx container:

$ docker diff 1fdfd1f54c1b

C /dev
C /dev/console
C /dev/core
C /dev/stdout
C /dev/fd
C /dev/ptmx
C /dev/stderr
C /dev/stdin
C /run
A /run/nginx.pid
C /var/lib/nginx/tmp
A /var/lib/nginx/tmp/client_body
A /var/lib/nginx/tmp/fastcgi
A /var/lib/nginx/tmp/proxy
A /var/lib/nginx/tmp/scgi
A /var/lib/nginx/tmp/uwsgi
C /var/log/nginx
A /var/log/nginx/access.log
A /var/log/nginx/error.log

Examples