[discourse-web/flathub] Make db_replica_host configurable

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit 5b49121bc0e8109c58d8d2150d6df6c471cc4dc2
Author: Bartłomiej Piotrowski <bpiotrowski gnome org>
Date:   Fri Oct 9 14:23:57 2020 +0200

    Make db_replica_host configurable

 config/discourse.conf | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/config/discourse.conf b/config/discourse.conf
index 09362a8..232d53f 100644
--- a/config/discourse.conf
+++ b/config/discourse.conf
@@ -31,7 +31,7 @@ db_password = ${DISCOURSE_CONFIG_DB_PASSWORD}
 db_prepared_statements = false
 
 # host address for db replica server
-db_replica_host =
+db_replica_host = ${DISCOURSE_CONFIG_DB_REPLICA_HOST}
 
 # port running replica db server, defaults to 5432 if not set
 db_replica_port =