fx-file-server/onlyoffice/ds-docservice.conf

#welcome page
rewrite ^/$ $the_scheme://$the_host$the_prefix/welcome/ redirect;

#script caching protection
rewrite ^(?<cache>\/web-apps\/apps\/(?!api\/).*)$ $the_scheme://$the_host$the_prefix/8.3.0-$cache_tag$cache redirect;

#disable caching for api.js
location ~ ^(\/[\d]+\.[\d]+\.[\d]+[\.|-][\w]+)?\/(web-apps\/apps\/api\/documents\/api\.js)$ {
  expires -1;
  gzip_static on;
  alias  /var/www/onlyoffice/documentserver/$2;
}

#suppress logging the unsupported locale error in web-apps
location ~ ^(\/[\d]+\.[\d]+\.[\d]+[\.|-][\w]+)?\/(web-apps)(\/.*\.json)$ {
  expires 365d;
  error_log /dev/null crit;
  gzip_static on;
  alias /var/www/onlyoffice/documentserver/$2$3;
}

#suppress logging the unsupported locale error in plugins
location ~ ^(\/[\d]+\.[\d]+\.[\d]+[\.|-][\w]+)?\/(sdkjs-plugins)(\/.*\.json)$ {
  expires 365d;
  error_log /dev/null crit;
  gzip_static on;
  alias /var/www/onlyoffice/documentserver/$2$3;
}

location ~ ^(\/[\d]+\.[\d]+\.[\d]+[\.|-][\w]+)?\/(web-apps|sdkjs|sdkjs-plugins|fonts|dictionaries)(\/.*)$ {
  expires 365d;
  gzip_static on;
  alias /var/www/onlyoffice/documentserver/$2$3;
}

location ~* ^(\/cache\/files.*)(\/.*) {
  alias /var/lib/onlyoffice/documentserver/App_Data$1;
  add_header Content-Disposition "attachment; filename*=UTF-8''$arg_filename";

  # secure_link disabled for internal preview stability
}

# Allow "/internal" interface only from 127.0.0.1
# Don't comment out the section below for the security reason!
 location ~* ^(\/[\d]+\.[\d]+\.[\d]+[\.|-][\w]+)?\/(internal)(\/.*)$ {
  allow 127.0.0.1;
  deny all;
  proxy_pass http://docservice/$2$3;
}

# Allow "/info" interface only from 127.0.0.1 by default
# Comment out lines allow 127.0.0.1; and deny all; 
# of below section to turn on the info page
location ~* ^(\/[\d]+\.[\d]+\.[\d]+[\.|-][\w]+)?\/(info)(\/.*)$ {
  allow 127.0.0.1;
  deny all;
  proxy_pass http://docservice/$2$3;
}

location / {
  proxy_pass http://docservice;
}

location ~ ^/([\d]+\.[\d]+\.[\d]+[\.|-][\w]+)/(?<path>.*)$ {
  proxy_pass http://docservice/$path$is_args$args;
  proxy_http_version 1.1;
}