diff --git a/src/emuvim/api/sonata/README.md b/src/emuvim/api/sonata/README.md
index e3269aa..5fc1be0 100644
--- a/src/emuvim/api/sonata/README.md
+++ b/src/emuvim/api/sonata/README.md
@@ -10,6 +10,9 @@
 * flask
 * flask_restful
 
+## Run REST API in standalone mode (without emulator):
+* `python src/emuvim/api/sonata/dummygatekeeper.py`
+
 ## Run emulator example with active SONATA dummy gatekeeper:
 The example starts a small network with two data centers.
 
@@ -92,6 +95,10 @@
 </table>
 
 
-## Run REST API in standalone mode (without emulator):
-This is not working yet!!!
-* `python src/emuvim/api/sonata/dummygatekeeper.py`
\ No newline at end of file
+
+
+
+## Cleanup
+The dummy GK will store some files in your tmp folder in order to fake "catalogues" and "repositories" etc.
+
+* ` sudo rm -r /tmp/son-dummy-gk/`
\ No newline at end of file
diff --git a/src/emuvim/api/sonata/dummygatekeeper.py b/src/emuvim/api/sonata/dummygatekeeper.py
index 9cf93af..eda2b96 100644
--- a/src/emuvim/api/sonata/dummygatekeeper.py
+++ b/src/emuvim/api/sonata/dummygatekeeper.py
@@ -20,9 +20,9 @@
 LOG.setLevel(logging.DEBUG)
 logging.getLogger("werkzeug").setLevel(logging.WARNING)
 
-
-UPLOAD_FOLDER = "/tmp/son-dummy-gk/uploads/"
-CATALOG_FOLDER = "/tmp/son-dummy-gk/catalog/"
+GK_STORAGE = "/tmp/son-dummy-gk/"
+UPLOAD_FOLDER = os.path.join(GK_STORAGE, "uploads/")
+CATALOG_FOLDER = os.path.join(GK_STORAGE, "catalog/")
 
 # flag to indicate that we run without the emulator (only the bare API for integration testing)
 GK_STANDALONE_MODE = False