root@owncloud:/usr/local/etc/nginx # ls                                         
fastcgi_params          nginx-bak.conf          server.csr                      
fastcgi_params-dist     nginx.conf              server.key                      
koi-utf                 nginx.conf-dist         server.key.org                  
koi-win                 scgi_params             uwsgi_params                    
mime.types              scgi_params-dist        uwsgi_params-dist               
mime.types-dist         server.crt              win-ut

Config.php file contents

<?php                                                                           
$CONFIG = array (                                                               
  'instanceid' => 'ocgrwjeb9u1w',                                               
  'passwordsalt' => '+e+Ao/M9HYS70S81jpmuZvZIKSP+Bq',                           
  'secret' => '4S/QhW/P9ZLtWgXeWnaViHg1/5BT2CiQ23d+2DqTiyb3dnTW',               
  'trusted_domains' =>                                                          
  array (                                                                       
    0 => '192.168.2.3',,                                       
  ),                                                                            
  'datadirectory' => '/mnt/files',                                              
  'overwrite.cli.url' => 'https://192.168.2.3/owncloud',
  'dbtype' => 'mysql',                                                          
  'version' => '8.2.0.12',                                                      
  'dbname' => 'owncloud',                                                       
  'dbhost' => 'localhost',                                                      
  'dbtableprefix' => 'oc_',                                                     
  'dbuser' => 'ocuser',                                                         
  'dbpassword' => 'ocpass',                                                     
  'logtimezone' => 'UTC',                                                       
  'installed' => true,                                                          
'memcache.local' => '\OC\Memcache\APCu',                                        
);                  

nginx.conf file contents

    worker_processes 2;                                                         
                                                                                
    events {                                                                    
        worker_connections 1024;                                                
    }                                                                           
                                                                                
    http {                                                                      
        include mime.types;                                                     
        default_type application/octet-stream;                                  
        sendfile off;                                                           
        keepalive_timeout 65;                                                   
        gzip off;                                                               
                                                                                
        server {                                                                
            root /usr/local/www;                                                
            location = /robots.txt { allow all; access_log off;                 
log_not_found off; }   
   location = /favicon.ico { access_log off; log_not_found off;        
}                                                                               
                                                                                
            location ^~ /owncloud {                                             
                index index.php;                                                
                try_files $uri $uri/ /owncloud/index.php$is_args$args;          
                error_page 403 /owncloud/core/templates/403.php;                
                error_page 404 /owncloud/core/templates/404.php;                
                client_max_body_size 512M;                                      
                location                                                        
~ ^/owncloud/(?:\.|build|tests|config|lib|3rdparty|templates|data|autotest|occ|$
{        
deny all;                                                   
                }                                                               
                location ~ \.php(?:$|/) {                                       
                    fastcgi_split_path_info ^(.+\.php)(/.*)$;                   
                    fastcgi_pass unix:/var/run/php-fpm.sock;                    
                    fastcgi_param SCRIPT_FILENAME                               
$document_root$fastcgi_script_name;                                             
                    fastcgi_param PATH_INFO $fastcgi_path_info;                 
                    fastcgi_intercept_errors on;                                
                    include fastcgi_params; 
				  }                                                               
                location ~ \.(?:jpg|gif|ico|png|css|js|svg)$ {                  
                    expires 30d; add_header Cache-Control public;               
                }                                                               
            }                                                                   
        }                                                                       
                                                                                
server {                                                                        
ssl_certificate /usr/local/etc/nginx/server.crt;                                
ssl_certificate_key /usr/local/etc/nginx/server.key;	
listen 443 ssl;                                                                 
                                                                                
location / {                                                                    
     root html;                                                                 
     index index.html index.html;                                               
           }                                                                    
                                                                                
       }                                                                        
    }