How to Add User in Dockerfile
Dockerfile
Docker
FROM ubuntu:bionic
ENV DEBIAN_FRONTEND noninteractive
# Get the basic stuff
RUN apt-get update && \
apt-get -y upgrade && \
apt-get install -y \
sudo
# Create ubuntu user with sudo privileges
RUN useradd -ms /bin/bash ubuntu && \
usermod -aG sudo ubuntu
# New added for disable sudo password
RUN echo '%sudo ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
# Set as default user
USER ubuntu
WORKDIR /home/ubuntu
ENV DEBIAN_FRONTEND teletype
CMD ["/bin/bash"]