Edit docker file

Author: morriscb

Dockerfile

@@ -7,11 +7,12 @@ RUN pip install pyarrow && \
 
 USER root
 
-WORKDIR /home
+USER $NB_UID
+WORKDIR $HOME/work
+
 RUN git clone https://github.com/morriscb/the-wizz.git
-WORKDIR /home/the-wizz
+WORKDIR $HOME/work/the-wizz
 RUN git checkout u/morriscb/python-only && \
-    python setup.py install
+    python setup.py install --user
 
-USER $NB_UID
-WORKDIR $HOME
+WORKDIR $HOME/work