added basic Dockerfile and python script

src/recommendationservice/Dockerfile

@@ -0,0 +1,13 @@
+FROM python:3.5-jessie
+
+RUN pip --no-cache-dir install \
+        grpcio
+
+# show python logs as they occur
+ENV PYTHONUNBUFFERED=0
+
+# add files into working directory
+ADD recommendation.py /home
+WORKDIR /home
+
+ENTRYPOINT /usr/bin/python /home/recommendation.py

src/recommendationservice/recommendation.py

@@ -0,0 +1 @@
+print("Hello World")