diff --git a/README.md b/README.md
index e9a5799..ca16caa 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,12 @@
-# FLEES 
+# FLEES
 
 a very small file sharing website
 
 - configure with data/shares.json
 - configure with data/config.json
+    - uid = user id for new files
+    - workers = parallel processes (i.e. one upload reserves a process)
+    - timeout = timeout for processes, single upload might take a long time!
 - generate shares with utils/create-share.py
 - proxy with nginx:
 ```
@@ -16,3 +19,6 @@ location /flees/ {
          client_max_body_size 8G;
     }
 ```
+
+- configure local port in `docker-compose.yaml`
+
diff --git a/code/Dockerfile b/code/Dockerfile
index e80733e..b5d9329 100644
--- a/code/Dockerfile
+++ b/code/Dockerfile
@@ -10,5 +10,6 @@ COPY static /code/static
 COPY templates /code/templates
 COPY revprox.py /code/revprox.py
 COPY app.py /code/app.py
+COPY start_app.py /code/start_app.py
 WORKDIR /code
-CMD gunicorn -b 0.0.0.0:80 --timeout 3600 -w 6 app:app
+CMD python3 start_app.py