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Merge pull request #332 from tych0/docs-fixups-for-password-stdin

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Docs fixups for password stdin
This commit is contained in:
Vincent Demeester
2017-07-20 11:31:23 +02:00
committed by GitHub
parent c394cd9bb7 3b7b6b5f7f
commit 3d76febd17
4 changed files with 21 additions and 4 deletions
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21
docs/reference/commandline/login.md
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@@ -22,9 +22,10 @@ Log in to a Docker registry.
If no server is specified, the default is defined by the daemon.
Options:
--help Print usage
-p, --password string Password
-u, --username string Username
--help Print usage
-p, --password string Password
--password-stdin Read password from stdin
-u, --username string Username
```
## Description
@@ -40,6 +41,20 @@ adding the server name.
$ docker login localhost:8080
```
### Provide a password using STDIN
To run the `docker login` command non-interactively, you can set the
`--password-stdin` flag to provide a password through `STDIN`. Using
`STDIN` prevents the password from ending up in the shell's history,
or log-files.
The following example reads a password from a file, and passes it to the
`docker login` command using `STDIN`:
```bash
$ cat ~/my_password.txt | docker login --username foo --password-stdin
```
### Privileged user requirement
`docker login` requires user to use `sudo` or be `root`, except when: