fixed bug which can occur if you delete cache files.

fixed warnings due to volume locations.

docs/env.example

@@ -22,14 +22,6 @@
 
 # --- Extra Options ---
 
-# query parameter prefix to prevent collisions with protected app
-#QUERY_PREFIX='_preauth_'
-
-# TODO make it so boolean options can be true/false
-
-# allow files in /app/public/assets directory to be served, false to disable
-#ASSETS=true                # default enabled, boolean
-
 # how long do we allow *ALL* traffic from an ip address after successful login
 # could be useful if you have a system which does not handle cookies
 #IP_TTL=0                   # default disabled, time in seconds
@@ -42,7 +34,6 @@
 
 # --- Styling Options ---
 #TITLE='Pre-Authentication System'
-#ICONS=false                # default disabled, boolean, use favicon from root domain
 #BG_COLOR='#029386'         # teal
 #FG_COLOR='#ffffff'         # white
 #ERROR_COLOR='#ffb16d'      # apricot (light orange)