reference/run: Some editorial changes

Based on the suggestions from @moxiegirl, some changes to make the wording more clear.

Signed-off-by: Kai Blin <kai@samba.org>
This commit is contained in:
Kai Blin 2015-08-18 08:56:56 +02:00
parent 8a61e2b151
commit ba29d31c9c
1 changed files with 6 additions and 5 deletions

View File

@ -1142,16 +1142,17 @@ volume mounted on the host).
### USER
The default user within a container is `root` (id = 0), but if the developer
created additional users, those are accessible by name. When passing a numeric
ID, the user doesn't have to exist in the container.
`root` (id = 0) is the default user within a container. The image developer can
create additional users. Those users are accessible by name. When passing a numeric
ID, the user does not have to exist in the container.
The developer can set a default user to run the first process with the
Dockerfile `USER` instruction, but the operator can override it:
Dockerfile `USER` instruction. When starting a container, the operator can override
the `USER` instruction by passing the `-u` option.
-u="": Username or UID
> **Note:** if you pass a numeric uid, it must be in the range 0-2147483647.
> **Note:** if you pass a numeric uid, it must be in the range of 0-2147483647.
### WORKDIR