FROM ubuntu:16.04 ENV DEBIAN_FRONTEND noninteractive RUN apt-get update && apt-get install -y \ locales \ openssh-server \ sudo RUN locale-gen en_US.UTF-8 RUN if ! getent passwd vagrant; then useradd -d /home/vagrant -m -s /bin/bash vagrant; fi \ && echo 'vagrant ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers \ && mkdir -p /etc/sudoers.d \ && echo 'vagrant ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers.d/vagrant \ && chmod 0440 /etc/sudoers.d/vagrant RUN mkdir -p /home/vagrant/.ssh \ && chmod 0700 /home/vagrant/.ssh \ && wget --no-check-certificate \ https://raw.github.com/hashicorp/vagrant/master/keys/vagrant.pub \ -O /home/vagrant/.ssh/authorized_keys \ && chmod 0600 /home/vagrant/.ssh/authorized_keys \ && chown -R vagrant /home/vagrant/.ssh RUN mkdir -p /run/sshd CMD /usr/sbin/sshd -D \ -o UseDNS=no \ -o PidFile=/tmp/sshd.pid