Merge pull request #2641 from nextcloud/enh/2506/allow-to-specify-read-only

allow to specify read_only root FS in containers definition

php/src/Docker/DockerActionManager.php

@@ -383,6 +383,8 @@ class DockerActionManager
         }
 
         $requestBody['HostConfig']['RestartPolicy']['Name'] = $container->GetRestartPolicy();
+
+        $requestBody['HostConfig']['ReadonlyRootfs'] = $container->GetReadOnlySetting();
  
         $exposedPorts = [];
         if ($container->GetInternalPort() !== 'host') {