Add Dockerfile (experimental)

- Does not build inside of Docker, just copies from local machine

Dockerfile

@@ -0,0 +1,32 @@
+# Docker build file for Inbucket, see https://www.docker.io/
+# Inbucket website: http://inbucket.org/
+FROM ubuntu:14.04
+MAINTAINER James Hillyerd, @jameshillyerd
+
+# To force the upgrade packages change REFRESHED_AT date, otherwise Docker
+# will cache the old updates
+ENV REFRESHED_AT 2014-05-19
+
+# Update Ubuntu
+RUN apt-get -q update \
+  && DEBIAN_FRONTEND=noninteractive apt-get -qy upgrade
+
+# Clean up APT when done.
+RUN apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+# Install Inbucket
+ENV INBUCKET_HOME /opt/inbucket
+ADD inbucket $INBUCKET_HOME/inbucket
+ADD themes $INBUCKET_HOME/themes
+ADD etc/unix-sample.conf $INBUCKET_HOME/inbucket.conf
+
+# Volume for mail data
+VOLUME /var/opt/inbucket
+
+# SMTP, HTTP, POP3 ports
+EXPOSE 25
+EXPOSE 80
+EXPOSE 110
+
+# Start Inbucket
+CMD $INBUCKET_HOME/inbucket $INBUCKET_HOME/inbucket.conf