moved db_preparation logic to fill-database phase

README.md

@@ -47,14 +47,17 @@ If all goes well, we should be able to inspect the database, filled with corpora
 ### Flask backend (1 container)
 Relies heavily on the database. Set that up first. 
 ```bash
+# spin up container
 $ make python-env
 
-# development:
-# run the first time, to prepare the db, then kill
-# it runs a few minutes, there should be a new collection in the db when finished
-$ make backend-dev-init  
+# install our packages
+$ make python-env-install
 
-$ make backend-dev  # debug with this one
+# needs to be ran once to modify a new database
+$ make backend-prepare-db
+
+# with debugger
+$ make backend-dev
 
 # production
 $ make backend-prod