Add some documentation about backing up Synapse (#17931)

Fixes: https://github.com/element-hq/element-meta/issues/2155
Fixes: https://github.com/element-hq/synapse/issues/2046

1 files changed, 4 insertions, 0 deletions

diff --git a/docs/postgres.md b/docs/postgres.md

index d06f0cda10..51670667e8 100644
--- a/docs/postgres.md
+++ b/docs/postgres.md
@@ -100,6 +100,10 @@ database:
     keepalives_count: 3
 ```
 
+## Backups
+
+Don't forget to [back up](./usage/administration/backups.md#database) your database!
+
 ## Tuning Postgres
 
 The default settings should be fine for most deployments. For larger