expand environmental variables in config files.

[mfchung]

It would be great if nconf could expand environmental variables in config files

{
  "bankservice": {
    "username": "systemadmin",
    "password": "${SECRET_PASSWORD}",
  }
}

[goto100]

+1

[karrots]

Why do this when it can already read in environment variables?

[mfchung]

because its more common for configuration to be in config files, that may contain contain environmental variables that need expanding. in any case i can work around, ignore request. thanks

Date: Tue, 19 Jan 2016 21:27:03 -0800
From: notifications@github.com
To: nconf@noreply.github.com
CC: mfchung@hotmail.co.uk
Subject: Re: [nconf] expand environmental variables in config files. (#187)

Why do this when it can already read in environment variables?

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