nginx.conf

map $http_upgrade $connection_upgrade {
    default upgrade;
    '' close;
}

server {
    listen 80 default_server;
    listen [::]:80 default_server;
    server_name _;
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl http2 default_server;
    listen [::]:443 ssl http2 default_server;

    # enable subfolder method reverse proxy confs
    include /config/nginx/proxy-confs/*.subfolder.conf;

    # all ssl related config moved to ssl.conf
    include /config/nginx/ssl.conf;

    # server
    location ~ ^/(socket\.io) {
        proxy_pass http://127.0.0.1:11000;
        #
        proxy_http_version 1.1;
        proxy_redirect off;
        proxy_request_buffering off;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
        proxy_read_timeout 86400;
        proxy_set_header Referer $http_referer;
        proxy_set_header Host $http_host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_max_temp_file_size 2048m;
    }

    location / {
        proxy_pass http://127.0.0.1:11000;
    }
}