Example deployment of flask app

nginx.conf

upstream qrr_app {
    server 127.0.0.1:8080 fail_timeout=0;
}

server {
    listen 80;
    server_name app.qrr.dk;

    keepalive_timeout 5;

    root /var/www/qrr/app/public;
    location / {
        try_files $uri @proxy_to_app;
    }

    location @proxy_to_app {
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_redirect off;

        proxy_pass   http://qrr_app;
    }
}

supervisord.ini

[program:qrr-app]
command=/home/ubuntu/.virtualenvs/qrr/bin/gunicorn -w 2 -b 127.0.0.1:8080 app:app
directory=/var/www/qrr/app
environment=ENV=env.Production
user=nobody
autostart=true
autorestart=true