backend env dockerfile

dockerfiles/python-env/Dockerfile

@@ -13,9 +13,14 @@ RUN pip3 install \
 	sklearn \
 	argparse \
 	pathlib \
-	pymongo
+	pymongo \
+	flask
 
 RUN apt-get install -y \
 	curl
 
 ENV PYTHONIOENCODING UTF-8
+
+RUN pip3 install \
+	yaml \
+	flask_cors