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Clearer documentation around environment variable overrides 

Signed-off-by: Richard Scothern <richard.scothern@gmail.com>
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Richard Scothern 2015-10-19 14:52:08 -07:00
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docs/configuration.md
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@ -33,6 +33,8 @@ To override this value, set an environment variable like this:
This variable overrides the `/var/lib/registry` value to the `/somewhere`
directory.
>**NOTE**: It is highly recommended to create a base configuration file with which environment variables can be used to tweak individual values. Overriding configuration sections with environment variables is not recommended.
## Overriding the entire configuration file
If the default configuration is not a sound basis for your usage, or if you are having issues overriding keys from the environment, you can specify an alternate YAML configuration file by mounting it as a volume in the container.