version: '2.2'
services:
     onlyoffice:
       image: onlyoffice/documentserver:latest
       restart: always
       volumes:
       - /home/onlyoffice/data:/var/www/onlyoffice/Data
       environment:
       - JWT_ENABLED=true
       - JWT_SECRET=SuperSecretKey
       ports:
       - '8833:80'

sudo netstat -tulpn | grep 8833 

 sudo ufw allow 8833

sudo vi /etc/nginx/sites-available/onlyoffice.conf

upstream docservice {
  server 0.0.0.0:8833;
}
map $http_host $this_host {
    "" $host;
    default $http_host;
}
map $http_x_forwarded_proto $the_scheme {
     default $http_x_forwarded_proto;
     "" $scheme;
}
map $http_x_forwarded_host $the_host {
    default $http_x_forwarded_host;
    "" $this_host;
}
map $http_upgrade $proxy_connection {
  default upgrade;
  "" close;
}
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection $proxy_connection;
proxy_set_header X-Forwarded-Host $the_host;
proxy_set_header X-Forwarded-Proto $the_scheme;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
## Normal HTTP host
server {
  listen 0.0.0.0:80;
  listen [::]:80 default_server;
  server_name office.domain.tld;
  server_tokens off;
  ## Redirects all traffic to the HTTPS host
  root /nowhere; ## root doesn't have to be a valid path since we are redirecting
  rewrite ^ https://$host$request_uri? permanent;
}
server {
  listen 0.0.0.0:443 ssl;
  listen [::]:443 ssl default_server;
  server_tokens off;
  root /usr/share/nginx/html;
  ## Strong SSL Security
  ## https://raymii.org/s/tutorials/Strong_SSL_Security_On_nginx.html
  ssl on;
  ssl_certificate /etc/letsencrypt/live/office.domain.tld/fullchain.pem;
  ssl_certificate_key /etc/letsencrypt/live/office.domain.tld/privkey.pem;
  ssl_verify_client off;
  ssl_ciphers "ECDHE-RSA-AES128-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA128:DHE-RSA-AES128-GCM-SHA384:DHE-RSA-AES128-GCM-SHA128:ECDHE-RSA-AES128-SHA384:ECDHE-RSA-AES128-SHA128:ECDHE-RSA-AES128-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES128-SHA128:DHE-RSA-AES128-SHA128:DHE-RSA-AES128-SHA:DHE-RSA-AES128-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA384:AES128-GCM-SHA128:AES128-SHA128:AES128-SHA128:AES128-SHA:AES128-SHA:DES-CBC3-SHA:HIGH:!aNULL:!eNULL:!EXPORT:!DES:!MD5:!PSK:!RC4";
  ssl_protocols  TLSv1 TLSv1.1 TLSv1.2;
  #ssl_session_cache  builtin:1000  shared:SSL:10m;
  ssl_prefer_server_ciphers   on;
  add_header Strict-Transport-Security max-age=31536000;
  # add_header X-Frame-Options SAMEORIGIN;
  add_header X-Content-Type-Options nosniff;
  ## [Optional] If your certficate has OCSP, enable OCSP stapling to reduce the overhead and latency of running SSL.
  ## Replace with your ssl_trusted_certificate. For more info see:
  ## - https://medium.com/devops-programming/4445f4862461
  ## - https://www.ruby-forum.com/topic/4419319
  ## - https://www.digitalocean.com/community/tutorials/how-to-configure-ocsp-stapling-on-apache-and-nginx
  # ssl_stapling on;
  # ssl_stapling_verify on;
  # ssl_trusted_certificate /etc/nginx/ssl/stapling.trusted.crt;
  # resolver 208.67.222.222 208.67.222.220 valid=300s; # Can change to your DNS resolver if desired
  # resolver_timeout 10s;
  ## [Optional] Generate a stronger DHE parameter:
  ##   cd /etc/ssl/certs
  ##   sudo openssl dhparam -out dhparam.pem 4096
  ##
  # ssl_dhparam /etc/ssl/certs/dhparam.pem;
  location / {
    proxy_pass http://docservice;
    proxy_http_version 1.1;
  }
}

ln -s /etc/nginx/sites-available/onlyoffice.conf /etc/nginx/sites-enabled/onlyoffice.conf

sudo certbot certonly -d office.domain.tld

sudo nginx -t
sudo service nginx restart