pass hard --option first

start.sh

@@ -43,7 +43,7 @@ if [[ ! -f "/app/data/.dbsetup" ]]; then
 
     # Set default post structure to what most people want
     # Curiously, installing some plugins prevents .htaccess getting written
-    $WP rewrite structure '/%postname%/' --hard
+    $WP rewrite structure --hard '/%postname%/'
 
     touch "/app/data/.dbsetup"
 else