nginx_config/sites-available/nextcloud

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

  root /var/www/html;
  index index.html;

  server_name cloud.domain.com;

  ssl_certificate /etc/letsencrypt/live/cloud.domain.com/fullchain.pem;
  ssl_certificate_key /etc/letsencrypt/live/cloud.domain.com/privkey.pem;
  include /etc/nginx/snippets/ssl_options.conf;

  client_body_in_file_only clean;
  client_body_buffer_size 128K;

  client_max_body_size 5g;

  sendfile on;
  send_timeout 600s;

  location / {
    proxy_pass http://192.168.2.2/;
    proxy_cache_use_stale error timeout http_500 http_502 http_503 http_504;

    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header Host $http_host;
    proxy_set_header X-Forwarded-Proto $scheme;
    proxy_redirect off;
  }
}