ADD information about docker in README

README.md

@@ -45,6 +45,20 @@ flask --app jon run --debug
 
 `--debug` restarts the server when a source file changes.
 
+## Running with docker
+When you prefer running the application using docker you can just use
+```
+docker compose up
+```
+
+In case your local username does not line up with your FSMI-username, you need to specify your FSMI-username
+using `USER=<username>`, e.g.:
+```
+USER=shirkanesi docker compose up
+```
+
+This can also be persisted by following the instructions in the docker-compose.yml
+
 ## fsmi-db forward
 
 ```