Upgrade to the 0.11.1 tutum version of docker. Package it as a Dockerfile using Docker in Docker. Add a status server option to the workers to utilize the new termination signal and status features of gantry.

Dockerfile.buildworker

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+FROM phusion/baseimage:0.9.10
+
+ENV DEBIAN_FRONTEND noninteractive
+ENV HOME /root
+
+RUN apt-get update
+RUN apt-get install -y git python-virtualenv python-dev libjpeg8 libjpeg62-dev libevent-dev gdebi-core g++ libmagic1
+
+### End common section ###
+
+RUN apt-get install -y lxc
+
+RUN usermod -v 100000-200000 -w 100000-200000 root
+
+ADD binary_dependencies/builder binary_dependencies/builder
+
+RUN gdebi --n binary_dependencies/builder/*.deb
+
+RUN apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+ADD requirements.txt requirements.txt
+RUN virtualenv --distribute venv
+RUN venv/bin/pip install -r requirements.txt
+
+ADD buildstatus buildstatus
+ADD data data
+ADD features features
+ADD storage storage
+ADD util util
+ADD workers workers
+
+ADD app.py app.py
+ADD config.py config.py
+
+# Remove this if we ever stop depending on test data for the default config
+ADD test test
+
+ADD conf conf
+RUN rm -rf /conf/stack
+
+ADD conf/init/tutumdocker.sh /etc/service/tutumdocker/run
+ADD conf/init/dockerfilebuild.sh /etc/service/dockerfilebuild/run
+
+VOLUME ["/var/lib/docker", "/var/lib/lxc", "/conf/stack"]
+
+CMD ["/sbin/my_init"]