server {
        listen       7971 ssl;
        listen       [::]:7971 ssl;
        server_name  video_realtime;
        include      ssl.conf;

        location / {
            proxy_pass http://127.0.0.1:17971;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
            proxy_set_header Host $host;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }
    }

    server {
        listen       7974 ssl;
        listen       [::]:7974 ssl;
        server_name  video_realtime;
        include      ssl.conf;

        location / {
            proxy_pass http://127.0.0.1:17974;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
            proxy_set_header Host $host;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }
   }

    server {
        listen       7977 ssl;
        listen       [::]:7977 ssl;
        server_name  video_history;
        include      ssl.conf;

        location / {
            proxy_pass http://127.0.0.1:17977;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
            proxy_set_header Host $host;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }
    }