Dockerize the app

Dockerfile

@@ -0,0 +1,13 @@
+FROM python:2.7
+
+# Install xmlsec1
+RUN echo 'deb http://mirror.isoc.org.il/pub/ubuntu/ trusty main universe' >> /etc/apt/sources.list && \
+    apt-get update && \
+    apt-get -y --no-install-recommends install xmlsec1
+
+RUN mkdir -p /usr/src/app
+WORKDIR /usr/src/app
+COPY . /usr/src/app
+RUN pip install --upgrade pip && \
+    pip install --no-cache-dir -r requirements.txt
+CMD python app.py