Updated README

README.rst

@@ -11,31 +11,52 @@ Installing
 To set up a new instance perform the following steps:
 
 #. Create a virtual environment with a Python3.6 interpreter and activate it.
+
+    It works like this::
+
+        virtualenv -p python3.6 env
+        source env/bin/activate
+
+    Just type ``deactivate`` the get out.
+
+#. Set the environment variable ``DJANGO_DEV`` to ``True`` like this::
+
+    export DJANGO_DEV=True
+
 #. Install dependencies::
 
-    pip install -r requirements.txt
-    yarn install --modules-folder core/static/node_modules
+        pip install -r requirements.txt
+        yarn install --modules-folder core/static/node_modules
+
+    or alternatively with the make task::
 
-   or alternatively with the make task::
+        make install
 
-    make install
+#. Set up a Postgres 9.5 database. If you have docker installed the easiest way is to just run it in a docker container, like this::
 
-#. Set up the database.
+    docker run --rm --name postgres -p 5432:5432 postgres:9.5
 
-   If you are running a local instance for development purposes you
-   may just run::
+   And apply database migrations::
 
     python manage.py migrate
     python manage.py loaddata core/fixtures/testdata-groups.json
 
 #. Create a superuser if necessary::
 
-    python manage.py createsuperuser
+        python manage.py createsuperuser
 
-#. Your instance should now be ready to be filled with real data. If you just
-   need some basic examples you can load them with::
+   More users can be added in the admin interface. You should be able to reach it via http://localhost:8000/admin.
+
+#. Everything is set. You can start the development server with::
+
+        python3 manage.py runserver
+
+   or just::
+
+        make run
+
+#. Reliable test data will follow soon (promise).
 
-    make loadexamples
 
 Overview
 ========
@@ -55,4 +76,3 @@ Grady has three basic functions for the three types of users
     + review their final feedback and score in the post exam review
 
 An overview over the database can be found in the docs folder.
-