apt-get install redis-server pip3 install redis python-redis gunicorn gevent

apt-get install build-essential apt-get install python3-dev

redis-server&

gunicorn --worker-class=gevent -t 9999 redischat:app -b 0.0.0.0:3000

gunicorn --log-level debug --worker-class=gevent -t 999 redis_chat81:app

gunicorn --log-level debug --access-logfile gunicorn.log --worker-class=gevent -t 999 redis_chat81:app