Add Dockerfile

This is so people can base their projects on elemental-ircd.

Dockerfile

@@ -0,0 +1,26 @@
+FROM ubuntu:14.04
+MAINTAINER Xena <xena@yolo-swag.com>
+
+# Update base system
+RUN apt-get update
+RUN apt-get upgrade -yq # 08-02-14
+
+RUN apt-get -yq install build-essential autoconf libssl-dev
+RUN apt-get -yq install flex bison
+
+RUN adduser --system --home /home/ircd ircd
+RUN mkdir /home/ircd/src
+RUN chmod 777 /home/ircd/src
+
+ADD . /home/ircd/src
+
+RUN cd /home/ircd/src; ./configure --prefix=/home/ircd/run ; make ; make install
+ADD doc/example.conf /home/ircd//run/etc/ircd.conf
+
+RUN chmod -R 777 /home/ircd/run
+
+EXPOSE 6667
+USER ircd
+
+CMD /home/ircd/run/bin/ircd -foreground
+