Update README.md

README.md

 # REST API to TOAR-II database using FastAPI
 
+[[_TOC_]]
+ 
 ## documentation (pages)
 
 http://esde.pages.jsc.fz-juelich.de/toar-data/toardb_fastapi/docs/
@@ -23,14 +25,27 @@ This repository holds a simple test database *toardb_dump.sql* (not yet fully fi
 Also some testing examples for the running application are provided within file *production_tests.sh*, as well as corresponding pytests.  
 Running the tests and pytest are described after the installation guide (you need to do this first).  
 
-Please follow exactly the instructions on page   
+If you already have a PostGIS database server running, just load the toardb_dump (see below)  
+-- you still may need to install the "toar_controlled_vocabulary"-extension (also see below).  
+
+If you need to **install a PostGIS database server**, please follow exactly the instructions on page   
 https://gitlab.version.fz-juelich.de/toar/toar-db/-/blob/master/INSTALL_POSTGIS.md  
 
-After the above instructions execute the following command from shell:  
+You also need **the extension toar_controlled_vocabulary** to be installed within your database server.  
+How to install, is described here: https://gitlab.version.fz-juelich.de/esde/toar-data/toardb_fastapi/-/issues/3#note_51339
+
+After the above instructions execute the following command from shell **to load the database dump**:  
 ```
 psql -U toaradmin -d toardb -h localhost -f toardb_dump.sql
 ```
 
+## Setting passwords for database access
+
+The following file holds the credentials for database access and may need some adaptions:  
+**toardb/utils/database.py**  
+To make sure, that this sensitive data is not uploaded to the remote server, use the following command to prevent git from tracking this file:  
+`git update-index --assume-unchanged toardb/utils/database.py`
+
 ## Running pytest
 
 After download **and installation (see above)** of toardb_fastapi you can check, if everything is working via