Add DockerFile to run magnum-api service

Ability to start the magnum api service in a docker container

Co-Authored-By: Eric Windisch <eric@windisch.us>
Change-Id: Idf5189403f60a66e80f86ba49fb3a5f8e914d9d2

Dockerfile

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+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+############################################################
+# Dockerfile to build Python WSGI Application Containers
+# Based on Ubuntu
+############################################################
+
+# Set the base image to Ubuntu
+FROM ubuntu
+
+# File Author / Maintainer
+MAINTAINER Davanum Srinivas
+
+# Add the application resources URL
+RUN echo "deb http://archive.ubuntu.com/ubuntu/ trusty main universe" >> /etc/apt/sources.list
+
+# Update the sources list
+RUN apt-get update
+
+# Install basic applications and Python tools
+RUN apt-get install -y tar git curl nano wget dialog net-tools build-essential python python-dev python-distribute python-pip
+
+# Copy the application folder inside the container
+ADD . /magnum
+
+# Get pip to download and install requirements:
+RUN pip install -r /magnum/requirements.txt
+
+# Expose ports
+EXPOSE 5911
+
+# Set the default directory where CMD will execute
+WORKDIR /magnum
+
+# Install magnum from source
+RUN python setup.py install
+
+# Set the default command to execute
+# when creating a new container
+CMD magnum-api --debug