Enable color prompts

base-notebook/Dockerfile

@@ -41,8 +41,16 @@ ENV CONDA_DIR=/opt/conda \
 ENV PATH=$CONDA_DIR/bin:$PATH \
     HOME=/home/$NB_USER
 
+# Add a script that we will use to correct permissions after running certain commands
 ADD fix-permissions /usr/local/bin/fix-permissions
-# Create jovyan user with UID=1000 and in the 'users' group
+
+# Enable prompt color in the skeleton .bashrc before creating the default NB_USER
+# and in the default bash.bashrc for the case where the user home directory gets
+# overridden.
+RUN sed -i 's/^#force_color_prompt=yes/force_color_prompt=yes/' /etc/skel/.bashrc && \
+    sed -i 's/^#force_color_prompt=yes/force_color_prompt=yes/' /etc/bash.bashrc
+
+# Create NB_USER wtih name jovyan user with UID=1000 and in the 'users' group
 # and make sure these dirs are writable by the `users` group.
 RUN groupadd wheel -g 11 && \
     echo "auth required pam_wheel.so use_uid" >> /etc/pam.d/su && \