grader.Dockerfile

FROM ubuntu:14.04
LABEL maintainer="Valentin Mihov <valentin.mihov@gmail.com>"

RUN useradd -m -d /sandbox -p grader grader && chsh -s /bin/bash grader
RUN apt-get update && apt-get install -y openjdk-7-jre-headless ruby ruby-dev make python2.7 python3
RUN gem install rprocfs

ADD ./ext/runner_fork.rb /sandbox
ADD ./ext/runner_args.rb /sandbox

WORKDIR /sandbox