Adding Dockerfiles for MongoDB & Attract

MongoDB docker is working,
Attract docker need some tweaks.

docker/attract-db/Dockerfile

@@ -0,0 +1,17 @@
+FROM ubuntu:14.04
+MAINTAINER Eibriel <eibriel@eibriel.com>
+
+RUN apt-get update && apt-get install -y \
+mongodb
+
+#RUN mkdir /data && mkdir /data/db
+
+RUN mkdir /data
+
+VOLUME /data/db 
+
+CMD ["mongod", "--smallfiles"]
+
+EXPOSE 27017
+
+#CMD ["python", "/attract/attract/manage.py", "runserver", "-DFOREGROUND"]