move the Dockerfile to the root to allow the working directory of the repo to be pushed inside the image (rather than inside the container getting a fresh mailinabox from github) so changes in the working copy can be tested in Docker quickly / without pushing to github

Dockerfile

@@ -0,0 +1,35 @@
+# Mail-in-a-Box Dockerfile
+# see https://www.docker.io
+###########################
+
+# sudo docker.io build -t box .
+# sudo docker.io run -i -t box
+
+FROM ubuntu:14.04
+MAINTAINER Joshua Tauberer (http://razor.occams.info)
+
+ENV PUBLIC_HOSTNAME box.local
+
+# The PUBLIC_IP is only used for serving DNS, which means it is only
+# useful if we set it to the host machine's IP address and have the
+# host forward its port 53 (TCP/UDP) traffic to the docker container.
+# Since we can't get the host's IP address here, we'll set this to
+# a dummy value.
+ENV PUBLIC_IP 127.0.123.123
+
+# Our install will fail if SSH is installed and allows password-based authentication.
+RUN apt-get install -q -y openssh-server
+RUN sed -i /etc/ssh/sshd_config -e "s/^#PasswordAuthentication yes/PasswordAuthentication no/g"
+
+# Add this repo into the image so we have the configuration scripts.
+ADD conf /usr/local/mailinabox/conf
+ADD containers/docker /usr/local/mailinabox/containers/docker
+ADD scripts /usr/local/mailinabox/scripts
+ADD tools /usr/local/mailinabox/tools
+
+# Start the configuration.
+RUN cd /usr/local/mailinabox; scripts/start.sh
+
+# Launch configuration.
+CMD bash /usr/local/mailinabox/containers/docker/start_services.sh
+EXPOSE 22 25 53 443 587 993