1 files changed, 1 insertions, 0 deletions
diff --git a/contrib/docker/docker-compose.yml b/contrib/docker/docker-compose.yml
index 26d640c448..5ac41139e3 100644
--- a/contrib/docker/docker-compose.yml
+++ b/contrib/docker/docker-compose.yml
@@ -14,6 +14,7 @@ services:
     # failure
     restart: unless-stopped
     # See the readme for a full documentation of the environment settings
+    # NOTE: You must edit homeserver.yaml to use postgres, it defaults to sqlite
     environment:
       - SYNAPSE_CONFIG_PATH=/data/homeserver.yaml
     volumes: