diff --git a/sdc/README.md b/sdc/README.md
index 9e8eaf3..d910ec4 100644
--- a/sdc/README.md
+++ b/sdc/README.md
@@ -2,6 +2,7 @@ sdc
 ===
 
 ```bash
+$ chmod 777 data
 $ docker-compose up -d
 $ docker-compose exec sdc id
 uid=20159(sdc) gid=20159(sdc) groups=20159(sdc)
diff --git a/sdc/docker-compose.yml b/sdc/docker-compose.yml
index 232155b..43f2c00 100644
--- a/sdc/docker-compose.yml
+++ b/sdc/docker-compose.yml
@@ -5,4 +5,5 @@ sdc:
   volumes:
     - ./data:/data
     - ./data/sdc.properties:/etc/sdc/sdc.properties
+    - ./data/form-realm.properties:/etc/sdc/form-realm.properties
   restart: always