Update and expand the GUIDE (merges #3)

TEMPLATE.env

@@ -2,12 +2,6 @@
 # set to configure Shynet, as well as information about their
 # effects. Make a copy of this file to configure your deployment.
 
-
-# Whether to perform checks and setup at startup. For most setups,
-# the recommended value is True.
-PERFORM_CHECKS_AND_SETUP=True
-
-
 # Database settings (PostgreSQL)
 DB_NAME=shynet_db
 DB_USER=shynet_db_user
@@ -44,10 +38,10 @@ SCRIPT_HEARTBEAT_FREQUENCY=5000
 # them to be able to create services of their own.
 ONLY_SUPERUSERS_CREATE=True
 
-# If PERFORM_CHECKS_AND_SETUP is True, the following values will be set on
-# first run. After they are set once, they won't have any effect.
-# (Changing these values WILL NOT affect your Shynet instance.)
-# 
+# Whether to perform checks and setup at startup. For most setups,
+# the recommended value is True.
+PERFORM_CHECKS_AND_SETUP=True
+
 # Your admin user's email. A temporary password will be printed
 # to the console on first run.
 SHYNET_ADMIN_EMAIL=you@example.com
@@ -56,4 +50,10 @@ SHYNET_ADMIN_EMAIL=you@example.com
 SHYNET_HOST=shynet.example.com
 
 # What you'd like to call your Shynet instance.
-SHYNET_WHITELABEL=My Shynet Instance
+SHYNET_WHITELABEL=My Shynet Instance
+
+# Redis and queue settings; not necessary for single-instance deployments.
+# Don't uncomment these unless you know what you are doing!
+# REDIS_CACHE_LOCATION=redis://redis.default.svc.cluster.local/0 
+# If CELERY_BROKER_URL is set, make sure CELERY_TASK_ALWAYS_EAGER is False
+# CELERY_BROKER_URL=redis://redis.default.svc.cluster.local/1