Jupyter Notebook Dockefile to give username, pasword

# https://docs.docker.com/engine/reference/builder/
# /home/jovyan/work

ARG BASE_CONTAINER=jupyter/minimal-notebook
FROM $BASE_CONTAINER
LABEL maintainer="Bruno Bronosky <bruno@bronosky.com>"
USER root

# Install all OS dependencies for fully functional notebook server
RUN pip install bash_kernel && python -m bash_kernel.install

# Allow using 'su -' to make sandbox changes
RUN chpasswd <<<"root:root" && \
    sed -Ei 's/(.*pam_deny.so)/# \1/' /etc/pam.d/su

# Switch back to jovyan to avoid accidental container runs as root
USER $NB_UID
EXPOSE 8888

For any user other tha root, use following:

username=jovyan
password=jovyan

adduser --gecos "" --disabled-password $username
chpasswd <<<"$username:$password"