Tweak the Dockerfile

Dockerfile

@@ -3,5 +3,4 @@ ADD . /app
 WORKDIR /app
 RUN pip install -r requirements.txt
 ENV FLASK_APP=app.py
-RUN python -c "import config; config.create_indexes()"
-CMD ["gunicorn", "-t", "300", "-w", "2", "-b", "0.0.0.0:5005", "--log-level", "debug", "app:app"]
+CMD ["./run.sh"]

run.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+python -c "import config; config.create_indexes()"
+gunicorn -t 300 -w 2 -b 0.0.0.0:5005 --log-level debug app:app