Removed unnecessary commands from Dockerfile. Removed versions from Python packages.

Author: halcyondream

Dockerfile

@@ -3,18 +3,11 @@
 FROM jupyter/base-notebook
 LABEL maintainer="Jupyter Project <jupyter@googlegroups.com>"
 
-USER root
-
-RUN apt-get update --yes && \
-    apt-get install gcc build-essential --yes --no-install-recommends
-
-RUN python3 -m pip install --upgrade six==1.15.0 attackcti==0.3.8 pandas==1.3.5 altair vega
+RUN python3 -m pip install --upgrade six attackcti pandas altair vega
 
 COPY docs/intro.ipynb ${HOME}/docs/
 COPY docs/playground ${HOME}/docs/playground
 COPY docs/presentations ${HOME}/docs/presentations
 
-# Switch back to jovyan to avoid accidental container runs as root
 USER ${NB_UID}
-
 WORKDIR ${HOME}