Docker - diff

> Virtualization - (Virtual Machine|Container) > Docker

1 - About

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

3 - Syntax

git diff container

output:

Symbol Description
A A file or directory was added
D A file or directory was deleted
C A file or directory was changed
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4 - Example

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