This is to fix running SUDO as eihter the jovyan user or root.

Please refer to alias, in bottom of commit.

> dbn
Execute the command: jupyter notebook

> dbn bash
jovyan@eedcc93a837d:~$

> dbn start.sh
Execute the command:
exit

> dbnr
Set username to: jovyan
usermod: no changes
Set jovyan GID to: 100
Execute the command: jupyter notebook
Running as root is not recommended. Use --allow-root to bypass.
exit

> dbnr bash
root@893cb78b8c9c:~#

> dbnr start.sh
Set username to: jovyan
usermod: no changes
Set jovyan GID to: 100
Execute the command:
No arguments supplied
HOSTNAME=d45c52e788b7
TERM=xterm
SHELL=/bin/bash
NB_USER=jovyan
LC_ALL=en_US.UTF-8
PATH=/opt/conda/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
_=/usr/bin/env
MINICONDA_VERSION=4.3.30
PWD=/home/jovyan
LANG=en_US.UTF-8
HOME=/home/jovyan
SHLVL=2
LANGUAGE=en_US.UTF-8
no_proxy=*.local, 169.254/16
DEBIAN_FRONTEND=noninteractive
CONDA_DIR=/opt/conda
NB_GID=100
NB_UID=1000
root@d45c52e788b7:~#

> dbnrs
Set username to: jovyan
usermod: no changes
Set jovyan GID to: 100
Granting jovyan sudo access
Execute the command: jupyter notebook
Copy/paste this URL into your browser when you connect for the first time, ....

> dbnrs bash
root@f293dce949db:~#

> dbnrs start.sh
Set username to: jovyan
usermod: no changes
Set jovyan GID to: 100
Granting jovyan sudo access
Execute the command:
No arguments supplied
HOSTNAME=d0cd57ea32e2
SHELL=/bin/bash
TERM=xterm
LC_ALL=en_US.UTF-8
USER=jovyan
SUDO_USER=root
SUDO_UID=0
USERNAME=jovyan
MAIL=/var/mail/jovyan
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin
PWD=/home/jovyan
LANG=en_US.UTF-8
SHLVL=1
SUDO_COMMAND=/bin/bash -c env; PATH=$PATH; bash
HOME=/home/jovyan
LANGUAGE=en_US.UTF-8
LOGNAME=jovyan
SUDO_GID=0
_=/usr/bin/env
jovyan@d0cd57ea32e2:~$

> dbns
Container must be run as root to grant sudo permissions
Execute the command: jupyter notebook
Copy/paste this URL in..

> dbns bash
jovyan@ce5c2491fa32:~$

> dbns start.sh
Container must be run as root to grant sudo permissions
Execute the command:
exit

###### Build user setup
docker build -t $USER/base-notebook -f Dockerfile .

# Normal, dbn: docker-base-notebook
alias dbn='docker run -ti --rm -p 8888:8888 -v "$PWD":/home/jovyan/work --name base-notebook $USER/base-notebook'
# Root, dbnr: dbn with root
alias dbnr='docker run -ti --rm -p 8888:8888 --user root -v "$PWD":/home/jovyan/work --name base-notebook $USER/base-notebook'
# Jovyan SUDO, dbnr: dbn with SUDO for jovyan
alias dbnrs='docker run -ti --rm -p 8888:8888 --user root -e GRANT_SUDO=yes -v "$PWD":/home/jovyan/work --name base-notebook $USER/base-notebook'
# Root, fail to sudo for jovyan.
alias dbns='docker run -ti --rm -p 8888:8888 -e GRANT_SUDO=yes -v "$PWD":/home/jovyan/work --name base-notebook $USER/base-notebook'

base-notebook/start.sh

@@ -45,13 +45,22 @@ if [ $(id -u) == 0 ] ; then
         echo "$NB_USER ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/notebook
     fi
 
-    # Exec the command as NB_USER
+    # Exec the command as NB_USER or root
     echo "Execute the command: $*"
-    if [ $# -eq 0 ]; then
-        echo "No arguments supplied"
-        sudo -H -u $NB_USER bash -c 'env; PATH=$PATH; bash'
+    if [[ "$GRANT_SUDO" == "1" || "$GRANT_SUDO" == 'yes' ]]; then
+        if [ $# -eq 0 ]; then
+            echo "No arguments supplied"
+            sudo -H -u $NB_USER bash -c 'env; PATH=$PATH; bash'
+        else
+            exec su $NB_USER -c "env PATH=$PATH $*"
+        fi
     else
-        exec su $NB_USER -c "env PATH=$PATH $*"
+        if [ $# -eq 0 ]; then
+            echo "No arguments supplied"
+            bash -c 'env; PATH=$PATH; bash'
+        else
+            env PATH=$PATH $*
+        fi
     fi
 else
   if [[ ! -z "$NB_UID" && "$NB_UID" != "$(id -u)" ]]; then