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+# VERSION:        0.1
+# DESCRIPTION:    Run text-based game dunnet in a container
+# AUTHOR:         Jessica Frazelle <jess@docker.com>
+# COMMENTS:
+#   This file describes how to build dunnet in a container with all
+#   dependencies installed.
+#   Tested on Debian Jessie
+# USAGE:
+#   # Download dunnet Dockerfile
+#   wget http://raw.githubusercontent.com/jfrazelle/dockerfiles/master/dunnet/Dockerfile
+#
+#   # Build dunnet image
+#   docker build -t dunnet .
+#
+#   docker run -it dunnet
+#
+
+DOCKER-VERSION 1.3
+
+# Base docker image
+FROM debian:jessie
+MAINTAINER Jessica Frazelle <jess@docker.com>
+
+# Install emacs
+RUN apt-get update && apt-get install -y \
+    emacs \
+    --no-install-recommends
+
+# Autorun dunnet
+CMD ["/usr/bin/emacs", "-batch", "-l", "dunnet"]