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server {

    listen 80;

    server_name your_subdomain;

    proxy_redirect off;

    location / {

        proxy_http_version 1.1;

        proxy_set_header Upgrade $http_upgrade;

        proxy_set_header Connection "upgrade"; 

        proxy_pass https://localhost:8006;

        proxy_buffering off;

        client_max_body_size 0;

        proxy_connect_timeout  3600s;

        proxy_read_timeout  3600s;

        proxy_send_timeout  3600s;

        send_timeout  3600s;

    }

}