diff --git a/.env.sample b/.env.sample
index ea56f6e..3477179 100644
--- a/.env.sample
+++ b/.env.sample
@@ -7,5 +7,8 @@ KEYCLOAK_CLIENT_ID=barfoo
 KEYCLOAK_DOMAIN=foobar.com
 KEYCLOAK_REALM=bazrealm
 
+APP_THEME=default
+INVITE_TIME_LIMIT=30  # days
+
 SECRET_APP_SECRET_KEY=v1
 SECRET_KEYCLOAK_CLIENT_SECRET=v1