config.sample.yml: fix syntax for using ENV variables

The variable name must be enclosed in parentheses, otherwise it is interpreted verbatim. Move this tip to the top of the file, since it applies to all fields, not just the 'db' field.

config.sample.yml: fix syntax for using ENV variables
9891d93c · Dan Hemberger · Nicolas Giard · 7194b948 · 9891d93c
Commit 9891d93c authored Nov 04, 2017 by Dan Hemberger Committed by Nicolas Giard Nov 04, 2017
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config.sample.yml config.sample.yml +1 -1

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--- a/config.sample.yml
+++ b/config.sample.yml
@@ -3,6 +3,7 @@
 #######################################################################
 # Full explanation + examples in the documentation:
 # https://docs.requarks.io/wiki/install
+# You can use an ENV variable by using $(ENV_VAR_NAME) as the value

 # ---------------------------------------------------------------------
 # Title of this site
@@ -107,7 +108,6 @@ sessionSecret: 1234567890abcdefghijklmnopqrstuvxyz
 # ---------------------------------------------------------------------
 # Database Connection String
 # ---------------------------------------------------------------------
-# You can also use an ENV variable by using $ENV_VAR_NAME as the value

 db: mongodb://localhost:27017/wiki