Fix scripts in docker

.dockerignore

@@ -1,2 +1,4 @@
 *venv/
 build/
+dissect.egg-info/
+Dockerfile

Dockerfile

@@ -1,7 +1,7 @@
 FROM sagemath/sagemath:9.8
 
 # Setup sage and jupyter
-RUN sage --pip3 install --no-cache-dir notebook
+RUN sage --pip install --no-cache-dir notebook
 
 # Conform to mybinder
 ARG NB_USER=jovyan
@@ -15,10 +15,11 @@ RUN apt-get update && apt-get install ca-certificates
 RUN usermod -l ${NB_USER} sage
 COPY . ${TARGET}
 RUN chown -R ${NB_UID} ${TARGET}
+USER ${NB_USER}
 
 # Install DiSSECT
-USER ${NB_USER}
 WORKDIR ${TARGET}
-RUN sage --pip3 install --editable .
-ENV PATH "${HOME}/sage/local/bin:${PATH}"
+ENV PATH "${HOME}/.sage/local/bin:${PATH}"
+RUN sage --pip install --user .
+RUN sed -i 's/^#!.*$/#!\/usr\/bin\/env sage/' ${HOME}/.sage/local/bin/dissect-*
 ENTRYPOINT []