nginx_weechat.conf

limit_req_zone $binary_remote_addr zone=weechat:10m rate=5r/m;

server {
    listen       443 ssl;
    listen       [::]:443 ssl;
    server_name  ##goeshere##;
    
    include /path/to/ssl_config;
    
    ...
    
    location ^~ /weechat {
      proxy_pass http://127.0.0.1:9001;
      proxy_http_version 1.1;
      proxy_set_header Upgrade $http_upgrade;
      proxy_set_header Connection "upgrade";
      proxy_read_timeout 604800;
      limit_req zone=weechat burst=1 nodelay;
    }
    
    ...
}