Dockerfile

FROM ubuntu:14.04.5

MAINTAINER Sebastian Marcet <smarcet@gmail.com>

ENV container docker
ENV DEFAULT_LOCALE en_US
# let the container know that there is no tty
ENV DEBIAN_FRONTEND noninteractive

#Optional, update mirrors speedups updates, but some mirrors sometimes fail
#RUN sed -i -e 's,http://[^ ]*,mirror://mirrors.ubuntu.com/mirrors.txt,' /etc/apt/sources.list

#update apt sources
RUN apt-get update --fix-missing

#install required packages
RUN apt-get install -y apt-utils openssh-server sudo curl wget nfs-common puppet puppet-common && \
    apt-get clean #cleanup to reduce image size

# Create and configure vagrant user
RUN useradd --create-home -s /bin/bash vagrant
WORKDIR /home/vagrant
# fix --force-yes issue on apt-get install
RUN echo 'APT::Get::Assume-Yes "true"; \n\
APT::Get::force-yes "true";' > /etc/apt/apt.conf.d/99forceyesconf
# Configure SSH access
RUN mkdir -p /home/vagrant/.ssh && \
    echo "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA6NF8iallvQVp22WDkTkyrtvp9eWW6A8YVr+kz4TjGYe7gHzIw+niNltGEFHzD8+v1I2YJ6oXevct1YeS0o9HZyN1Q9qgCgzUFtdOKLv6IedplqoPkcmF0aYet2PkEDo3MlTBckFXPITAMzF8dJSIFo9D8HfdOV0IAdx4O7PtixWKn5y2hMNG0zQPyUecp4pzC6kivAIhyfHilFR61RGL+GPXQ2MWZWFYbAGjyiYJnAmCP3NOTd0jMZEnDkbUvxhMmBYSdETk1rRgm+R4LOzFUGaHqHDLKLX+FIPKcF96hrucXzcWyLbIbEgE98OHlnVYCzRdK8jlqm8tehUc9c9WhQ== vagrant insecure public key" > /home/vagrant/.ssh/authorized_keys && \
    chown -R vagrant: /home/vagrant/.ssh && \
    adduser vagrant sudo && \
    `# Enable passwordless sudo for users under the "sudo" group` && \
    sed -i.bkp -e 's/%sudo\s\+ALL=(ALL\(:ALL\)\?)\s\+ALL/%sudo ALL=NOPASSWD:ALL/g' /etc/sudoers && \
    echo -n 'vagrant:vagrant' | chpasswd && \
    `# Thanks to http://docs.docker.io/en/latest/examples/running_ssh_service/` && \
    mkdir /var/run/sshd

# Expose ports
EXPOSE 80
#leave the SHH daemon (and container) running
CMD /usr/sbin/sshd -D