docs: Add some doc about ENV config
authorBjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com>
Mon, 18 Apr 2016 16:44:51 +0000 (18:44 +0200)
committerBjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com>
Mon, 18 Apr 2016 16:45:37 +0000 (18:45 +0200)
commit5e9b147c2ab5536568ab1254a596479c1ac92b05
treef2ae59e2c2183dd833db074d899eab8b76eec86b
parentb7fd410245ed47a46176735ddc1f292a03bb51fe
docs: Add some doc about ENV config

See #2090
docs/content/overview/configuration.md