Update Dockerfile

Install gcc and build-essentials so pandas will compile.

Author: halcyondream

Dockerfile

@@ -6,15 +6,11 @@ FROM $BASE_CONTAINER
 
 LABEL maintainer="Jupyter Project <jupyter@googlegroups.com>"
 
-# Fix: https://github.com/hadolint/hadolint/wiki/DL4006
-# Fix: https://github.com/koalaman/shellcheck/wiki/SC3014
-SHELL ["/bin/bash", "-o", "pipefail", "-c"]
-
 USER root
 
 # Install all OS dependencies for fully functional notebook server
 RUN apt-get update --yes && \
-    apt-get install --yes --no-install-recommends
+    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
 
@@ -25,4 +21,4 @@ COPY docs/presentations ${HOME}/docs/presentations
 # Switch back to jovyan to avoid accidental container runs as root
 USER ${NB_UID}
 
-WORKDIR ${HOME}
+WORKDIR ${HOME}