Merge pull request 'master' (#38) from master into prod

Reviewed-on: #38

Dockerfile

@@ -7,6 +7,7 @@ RUN apt-get install -y locales locales-all
 ENV LANGUAGE ru_RU.UTF-8
 ENV LANG ru_RU.UTF-8
 ENV LC_ALL ru_RU.UTF-8
+ENV PYTHONUNBUFFERED=1
 COPY requirements.txt requirements.txt
 RUN pip install -r requirements.txt
 COPY . .