Update documentation on config via environment variables
authorRob Tsuk <robtsuk@google.com>
Mon, 30 Apr 2018 15:49:27 +0000 (08:49 -0700)
committerRob Tsuk <robtsuk@google.com>
Mon, 30 Apr 2018 15:49:27 +0000 (08:49 -0700)
commitce8fd49520a1e7752c69c2f90a013c9120db78e3
tree5b1b798c9ab0498d1899f9d408bb8119e9307993
parent122fd5be5201913d42e219e132d6569493583bca
Update documentation on config via environment variables

Use source replacement as a specific example of the kind
of configuration feature that cannot currently be set by
environmental variables.
src/doc/src/reference/config.md