bump up gunicorn timeout for large files

docker/docker-entrypoint.sh

 #!/bin/bash
 node /app/server/index.js &
-{ FLASK_ENV=production FLASK_APP=wsgi.py cd collector && gunicorn --workers 4 --bind 0.0.0.0:8888 wsgi:api; } &
+{ FLASK_ENV=production FLASK_APP=wsgi.py cd collector && gunicorn --timeout 300 --workers 4 --bind 0.0.0.0:8888 wsgi:api; } &
 wait -n
 exit $?
\ No newline at end of file