diff --git a/class.paperless.php b/class.paperless.php
index c5410f8..50b30f1 100644
--- a/class.paperless.php
+++ b/class.paperless.php
@@ -147,9 +147,9 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	 * @param bool $full set to true for content from the file instead of the index
 	 */
 	protected function __getDocumentData($document, $truncate_content=false, $full=false) { /* {{{ */
-		$fulltextservice = $this->container->fulltextservice;
-		$settings = $this->container->config;
-		$conversionmgr = $this->container->conversionmgr;
+		$fulltextservice = $this->container->get('fulltextservice');
+		$settings = $this->container->get('config');
+		$conversionmgr = $this->container->get('conversionmgr');
 
 		$lc = $document->getLatestContent();
 		$dms = $document->getDMS();
@@ -277,9 +277,9 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	} /* }}} */
 
 	function token($request, $response) { /* {{{ */
-		$settings = $this->container->config;
-		$authenticator = $this->container->authenticator;
-		$logger = $this->container->logger;
+		$settings = $this->container->get('config');
+		$authenticator = $this->container->get('authenticator');
+		$logger = $this->container->get('logger');
 
 		$data = $request->getParsedBody();
 		if(empty($data['username'])) {
@@ -310,11 +310,11 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	} /* }}} */
 
 	function tags($request, $response) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$fulltextservice = $this->container->fulltextservice;
-		$logger = $this->container->logger;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$fulltextservice = $this->container->get('fulltextservice');
+		$logger = $this->container->get('logger');
 
 		if(false === ($categories = $dms->getDocumentCategories())) {
 			return $response->withJson(array('results'=>null), 500);
@@ -351,12 +351,12 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	} /* }}} */
 
 	function post_tag($request, $response) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$logger = $this->container->logger;
-		$fulltextservice = $this->container->fulltextservice;
-		$notifier = $this->container->notifier;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$logger = $this->container->get('logger');
+		$fulltextservice = $this->container->get('fulltextservice');
+		$notifier = $this->container->get('notifier');
 
 		if(!$userobj->isAdmin())
 			return $response->withStatus(404);
@@ -374,13 +374,13 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	} /* }}} */
 
 	function delete_tag($request, $response, $args) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$conversionmgr = $this->container->conversionmgr;
-		$logger = $this->container->logger;
-		$notifier = $this->container->notifier;
-		$fulltextservice = $this->container->fulltextservice;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$conversionmgr = $this->container->get('conversionmgr');
+		$logger = $this->container->get('logger');
+		$notifier = $this->container->get('notifier');
+		$fulltextservice = $this->container->get('fulltextservice');
 
 		if(!$userobj->isAdmin())
 			return $response->withStatus(404);
@@ -407,10 +407,10 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	 * instead of calling getStatistics()
 	 */
 	function correspondents($request, $response) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$logger = $this->container->logger;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$logger = $this->container->get('logger');
 
 		//file_put_contents("php://stdout", var_dump($request, true));
 
@@ -437,10 +437,10 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	} /* }}} */
 
 	function document_types($request, $response) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$logger = $this->container->logger;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$logger = $this->container->get('logger');
 
 		$types = array();
 		if(!empty($settings->_extensions['paperless']['documenttypesattr']) && $attrdef = $dms->getAttributeDefinition($settings->_extensions['paperless']['documenttypesattr'])) {
@@ -463,10 +463,10 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	} /* }}} */
 
 	function saved_views($request, $response) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$logger = $this->container->logger;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$logger = $this->container->get('logger');
 
 		require_once('class.PaperlessView.php');
 
@@ -481,12 +481,12 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	} /* }}} */
 
 	function post_saved_views($request, $response) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$logger = $this->container->logger;
-		$fulltextservice = $this->container->fulltextservice;
-		$notifier = $this->container->notifier;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$logger = $this->container->get('logger');
+		$fulltextservice = $this->container->get('fulltextservice');
+		$notifier = $this->container->get('notifier');
 
 		require_once('class.PaperlessView.php');
 
@@ -505,12 +505,12 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	} /* }}} */
 
 	function delete_saved_views($request, $response, $args) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$conversionmgr = $this->container->conversionmgr;
-		$logger = $this->container->logger;
-		$notifier = $this->container->notifier;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$conversionmgr = $this->container->get('conversionmgr');
+		$logger = $this->container->get('logger');
+		$notifier = $this->container->get('notifier');
 
 		if (!isset($args['id']) || !$args['id'])
 			return $response->withStatus(404);
@@ -526,12 +526,12 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	} /* }}} */
 
 	function patch_saved_views($request, $response, $args) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$conversionmgr = $this->container->conversionmgr;
-		$logger = $this->container->logger;
-		$notifier = $this->container->notifier;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$conversionmgr = $this->container->get('conversionmgr');
+		$logger = $this->container->get('logger');
+		$notifier = $this->container->get('notifier');
 
 		if (!isset($args['id']) || !$args['id'])
 			return $response->withStatus(404);
@@ -551,10 +551,10 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	} /* }}} */
 
 	function storage_paths($request, $response) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$logger = $this->container->logger;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$logger = $this->container->get('logger');
 
 		if(!empty($settings->_extensions['paperless']['usehomefolder'])) {
 			if(!($rootfolder = $dms->getFolder((int) $userobj->getHomeFolder())))
@@ -576,11 +576,11 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	} /* }}} */
 
 	function documents($request, $response) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$fulltextservice = $this->container->fulltextservice;
-		$logger = $this->container->logger;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$fulltextservice = $this->container->get('fulltextservice');
+		$logger = $this->container->get('logger');
 
 		$params = $request->getQueryParams();
 		$logger->log(var_export($params, true), PEAR_LOG_DEBUG);
@@ -917,11 +917,11 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	} /* }}} */
 
 	function document($request, $response, $args) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$fulltextservice = $this->container->fulltextservice;
-		$logger = $this->container->logger;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$fulltextservice = $this->container->get('fulltextservice');
+		$logger = $this->container->get('logger');
 
 		if (!isset($args['id']) || !$args['id'])
 			return $response->withStatus(404);
@@ -947,11 +947,11 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	 * etc.
 	 */
 	function autocomplete($request, $response) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$fulltextservice = $this->container->fulltextservice;
-		$logger = $this->container->logger;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$fulltextservice = $this->container->get('fulltextservice');
+		$logger = $this->container->get('logger');
 
 		if(!empty($settings->_extensions['paperless']['autocompletefield']))
 			$field = $settings->_extensions['paperless']['autocompletefield'];
@@ -975,10 +975,10 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	} /* }}} */
 
 	function ui_settings($request, $response) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$logger = $this->container->logger;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$logger = $this->container->get('logger');
 
 		$data = array(
 			'user_id'=>$userobj->getId(),
@@ -1035,11 +1035,11 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	} /* }}} */
 
 	function statstotal($request, $response) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$fulltextservice = $this->container->fulltextservice;
-		$logger = $this->container->logger;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$fulltextservice = $this->container->get('fulltextservice');
+		$logger = $this->container->get('logger');
 
 		if(false === ($categories = $dms->getDocumentCategories())) {
 			return $response->withJson(array('results'=>null), 500);
@@ -1095,11 +1095,11 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	} /* }}} */
 
 	function documents_thumb($request, $response, $args) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$conversionmgr = $this->container->conversionmgr;
-		$logger = $this->container->logger;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$conversionmgr = $this->container->get('conversionmgr');
+		$logger = $this->container->get('logger');
 
 		if (!isset($args['id']) || !$args['id'])
 			return $response->withStatus(404);
@@ -1135,7 +1135,7 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	} /* }}} */
 
 	function fetch_doc($request, $response, $args) { /* {{{ */
-		$logger = $this->container->logger;
+		$logger = $this->container->get('logger');
 		$logger->log('Fetch doc '.$args['id'], PEAR_LOG_INFO);
 		return $response->withRedirect($request->getUri()->getBasePath().'/api/documents/'.$args['id'].'/download/', 302);
 	} /* }}} */
@@ -1145,11 +1145,11 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	 * documents which are not pdf already into pdf
 	 */
 	function documents_preview($request, $response, $args) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$conversionmgr = $this->container->conversionmgr;
-		$logger = $this->container->logger;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$conversionmgr = $this->container->get('conversionmgr');
+		$logger = $this->container->get('logger');
 
 		if (!isset($args['id']) || !$args['id'])
 			return $response->withStatus(404);
@@ -1213,11 +1213,11 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	} /* }}} */
 
 	function documents_download($request, $response, $args) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$conversionmgr = $this->container->conversionmgr;
-		$logger = $this->container->logger;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$conversionmgr = $this->container->get('conversionmgr');
+		$logger = $this->container->get('logger');
 
 		if (!isset($args['id']) || !$args['id'])
 			return $response->withStatus(404);
@@ -1290,11 +1290,11 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	} /* }}} */
 
 	function documents_metadata($request, $response, $args) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$conversionmgr = $this->container->conversionmgr;
-		$logger = $this->container->logger;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$conversionmgr = $this->container->get('conversionmgr');
+		$logger = $this->container->get('logger');
 
 		if (!isset($args['id']) || !$args['id'])
 			return $response->withStatus(404);
@@ -1329,12 +1329,12 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	} /* }}} */
 
 	function post_document($request, $response) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$logger = $this->container->logger;
-		$fulltextservice = $this->container->fulltextservice;
-		$notifier = $this->container->notifier;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$logger = $this->container->get('logger');
+		$fulltextservice = $this->container->get('fulltextservice');
+		$notifier = $this->container->get('notifier');
 
 		if(isset($settings->_extensions['paperless']['uploadfolder']))
 		 	$mfolder = $dms->getFolder($settings->_extensions['paperless']['uploadfolder']);
@@ -1502,12 +1502,12 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	} /* }}} */
 
 	function patch_documents($request, $response, $args) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$conversionmgr = $this->container->conversionmgr;
-		$logger = $this->container->logger;
-		$fulltextservice = $this->container->fulltextservice;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$conversionmgr = $this->container->get('conversionmgr');
+		$logger = $this->container->get('logger');
+		$fulltextservice = $this->container->get('fulltextservice');
 
 		if (!isset($args['id']) || !$args['id'])
 			return $response->withStatus(404);
@@ -1547,12 +1547,12 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	 * is still disregarded.
 	 */
 	function put_documents($request, $response, $args) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$conversionmgr = $this->container->conversionmgr;
-		$logger = $this->container->logger;
-		$fulltextservice = $this->container->fulltextservice;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$conversionmgr = $this->container->get('conversionmgr');
+		$logger = $this->container->get('logger');
+		$fulltextservice = $this->container->get('fulltextservice');
 
 		if (!isset($args['id']) || !$args['id'])
 			return $response->withStatus(404);
@@ -1605,13 +1605,13 @@ class SeedDMS_ExtPaperless_RestAPI_Controller { /* {{{ */
 	} /* }}} */
 
 	function delete_documents($request, $response, $args) { /* {{{ */
-		$dms = $this->container->dms;
-		$userobj = $this->container->userobj;
-		$settings = $this->container->config;
-		$conversionmgr = $this->container->conversionmgr;
-		$logger = $this->container->logger;
-		$notifier = $this->container->notifier;
-		$fulltextservice = $this->container->fulltextservice;
+		$dms = $this->container->get('dms');
+		$userobj = $this->container->get('userobj');
+		$settings = $this->container->get('config');
+		$conversionmgr = $this->container->get('conversionmgr');
+		$logger = $this->container->get('logger');
+		$notifier = $this->container->get('notifier');
+		$fulltextservice = $this->container->get('fulltextservice');
 
 		if (!isset($args['id']) || !$args['id'])
 			return $response->withStatus(404);
@@ -1671,14 +1671,14 @@ class SeedDMS_ExtPaperless_RestAPI_Auth { /* {{{ */
 	 */
 	public function __invoke($request, $response, $next) { /* {{{ */
 		// $this->container has the DI
-		$dms = $this->container->dms;
-		$settings = $this->container->config;
-		$logger = $this->container->logger;
+		$dms = $this->container->get('dms');
+		$settings = $this->container->get('config');
+		$logger = $this->container->get('logger');
 
 		/* Skip this middleware if the authentication was already successful */
 		$userobj = null;
 		if($this->container->has('userobj'))
-		  $userobj = $this->container->userobj;
+		  $userobj = $this->container->get('userobj');
 
 		if($userobj) {
 		  $response = $next($request, $response);
@@ -1714,7 +1714,10 @@ class SeedDMS_ExtPaperless_RestAPI_Auth { /* {{{ */
 							return $response->withJson("No such user", 403);
 						}
 						$dms->setUser($userobj);
-						$this->container['userobj'] = $userobj;
+						if($this->container instanceof \Slim\Container)
+							$this->container['userobj'] = $userobj;
+						else
+							$this->container->set('userobj', $userobj);
 						$logger->log("Login with jwt as '".$userobj->getLogin()."' successful", PEAR_LOG_INFO);
 					} else {
 						if(!empty($settings->_apiKey) && !empty($settings->_apiUserId)) {
@@ -1727,13 +1730,16 @@ class SeedDMS_ExtPaperless_RestAPI_Auth { /* {{{ */
 								return $response->withStatus(403);
 							}
 							$dms->setUser($userobj);
-							$this->container['userobj'] = $userobj;
+							if($this->container instanceof \Slim\Container)
+								$this->container['userobj'] = $userobj;
+							else
+								$this->container->set('userobj', $userobj);
 							$logger->log("Login with apikey as '".$userobj->getLogin()."' successful", PEAR_LOG_INFO);
 						}
 					}
 					break;
 				case 'Basic':
-					$authenticator = $this->container->authenticator;
+					$authenticator = $this->container->get('authenticator');
 					$kk = explode(':', base64_decode($tmp[1]));
 					$userobj = $authenticator->authenticate($kk[0], $kk[1]);
 					if(!$userobj) {
@@ -1741,14 +1747,20 @@ class SeedDMS_ExtPaperless_RestAPI_Auth { /* {{{ */
 						return $response->withStatus(403);
 					}
 					$dms->setUser($userobj);
-					$this->container['userobj'] = $userobj;
+					if($this->container instanceof \Slim\Container)
+						$this->container['userobj'] = $userobj;
+					else
+						$this->container->set('userobj', $userobj);
 					$logger->log("Login with basic authentication as '".$userobj->getLogin()."' successful", PEAR_LOG_INFO);
 					break;
 				}
 			}
 		} else {
 			/* Set userobj to keep other middlewares for authentication from running */
-			$this->container['userobj'] = true;
+			if($this->container instanceof \Slim\Container)
+				$this->container['userobj'] = true;
+			else
+				$this->container->set('userobj', true);
 		}
 		$logger->log("End of paperless middleware for method ".$request->getMethod()." on '".$request->getUri()->getPath()."'", PEAR_LOG_INFO);
 		$response = $next($request, $response);