Resolve a gihub python-processor issue

dataflow-website/recipes/polyglot/polyglot-python-processor2/Dockerfile

@@ -0,0 +1,12 @@
+FROM springcloud/openjdk:latest
+
+RUN apt-get update && apt-get install --no-install-recommends -y \
+    python-pip \
+ && rm -rf /var/lib/apt/lists/*
+ 
+RUN pip install kafka-python
+
+COPY python_processor.py /processor/
+COPY util/*.py /processor/util/
+
+ENTRYPOINT ["python", "/processor/python_processor.py", "$@", "--"]