anchor.diff:        description = "Which package to use for the Nextcloud instance.";
         relatedPackages = [ "nextcloud17" "nextcloud18" "nextcloud19" ];
       };
  -    serverUser = mkOption {
  -      type = types.str;
  -      description = "Must be set to the user of the webserver if nginx is not used.";
  -    };
   
       maxUploadSize = mkOption {
         default = "512M";
  
positive.code: let
    cfg = config.services.nextcloud;
    fpm = config.services.phpfpm.pools.nextcloud;
  
    group = if cfg.nginx.enable then config.services.nginx.group else cfg.group;
    serverUser = if cfg.nginx.enable then config.services.nginx.user else cfg.serverUser;
  
    phpPackage =
      let
  
negative.code:         group = "nextcloud";
          createHome = true;
        };
        users.groups.nextcloud.members = [ "nextcloud" config.services.nginx.user ];
  
        environment.systemPackages = [ occ ];
      
        services.nginx.enable = true;
        services.nginx.virtualHosts.${cfg.hostName} = {
          root = cfg.package;
          locations = {
            "= /robots.txt" = {
              priority = 100;
              extraConfig = ''
                allow all;
                log_not_found off;
                access_log off;
              '';
            };
            "/" = {
              priority = 200;
              extraConfig = "rewrite ^ /index.php;";
            };
            "~ ^/store-apps" = {
              priority = 201;
              extraConfig = "root ${cfg.home};";
            };
            "= /.well-known/carddav" = {
              priority = 210;
              extraConfig = "return 301 $scheme://$host/remote.php/dav;";
            };
            "= /.well-known/caldav" = {
              priority = 210;
              extraConfig = "return 301 $scheme://$host/remote.php/dav;";
            };
            "~ ^\\/(?:build|tests|config|lib|3rdparty|templates|data)\\/" = {
              priority = 300;
              extraConfig = "deny all;";
            };
            "~ ^\\/(?:\\.|autotest|occ|issue|indie|db_|console)" = {
              priority = 300;
              extraConfig = "deny all;";
            };
            "~ ^\\/(?:index|remote|public|cron|core/ajax\\/update|status|ocs\\/v[12]|updater\\/.+|ocs-provider\\/.+|ocm-provider\\/.+)\\.php(?:$|\\/)" = {
              priority = 500;
              extraConfig = ''
                include ${config.services.nginx.package}/conf/fastcgi.conf;
                fastcgi_split_path_info ^(.+\.php)(\\/.*)$;
                try_files $fastcgi_script_name =404;
                fastcgi_param PATH_INFO $fastcgi_path_info;
                fastcgi_param HTTPS ${if cfg.https then "on" else "off"};
                fastcgi_param modHeadersAvailable true;
                fastcgi_param front_controller_active true;
                fastcgi_pass unix:${fpm.socket};
                fastcgi_intercept_errors on;
                fastcgi_request_buffering off;
                fastcgi_read_timeout 120s;
              '';
            };
            "~ ^\\/(?:updater|ocs-provider|ocm-provider)(?:$|\\/)".extraConfig = ''
              try_files $uri/ =404;
              index index.php;
            '';
            "~ \\.(?:css|js|woff2?|svg|gif)$".extraConfig = ''
              try_files $uri /index.php$request_uri;
              add_header Cache-Control "public, max-age=15778463";
              add_header X-Content-Type-Options nosniff;
              add_header X-XSS-Protection "1; mode=block";
              add_header X-Robots-Tag none;
              add_header X-Download-Options noopen;
              add_header X-Permitted-Cross-Domain-Policies none;
              add_header X-Frame-Options sameorigin;
              add_header Referrer-Policy no-referrer;
              access_log off;
            '';
            "~ \\.(?:png|html|ttf|ico|jpg|jpeg|bcmap|mp4|webm)$".extraConfig = ''
              try_files $uri /index.php$request_uri;
              access_log off;
            '';
          };
          extraConfig = ''
            add_header X-Content-Type-Options nosniff;
            add_header X-XSS-Protection "1; mode=block";
            add_header X-Robots-Tag none;
            add_header X-Download-Options noopen;
            add_header X-Permitted-Cross-Domain-Policies none;
            add_header X-Frame-Options sameorigin;
            add_header Referrer-Policy no-referrer;
            add_header Strict-Transport-Security "max-age=15552000; includeSubDomains" always;
            error_page 403 /core/templates/403.php;
            error_page 404 /core/templates/404.php;
            client_max_body_size ${cfg.maxUploadSize};
            fastcgi_buffers 64 4K;
            fastcgi_hide_header X-Powered-By;
            gzip on;
            gzip_vary on;
            gzip_comp_level 4;
            gzip_min_length 256;
            gzip_proxied expired no-cache no-store private no_last_modified no_etag auth;
            gzip_types application/atom+xml application/javascript application/json application/ld+json application/manifest+json application/rss+xml application/vnd.geo+json application/vnd.ms-fontobject application/x-font-ttf application/x-web-app-manifest+json application/xhtml+xml application/xml font/opentype image/bmp image/svg+xml image/x-icon text/cache-manifest text/css text/plain text/vcard text/vnd.rim.location.xloc text/vtt text/x-component text/x-cross-domain-policy;
  
            ${optionalString cfg.webfinger ''
              rewrite ^/.well-known/host-meta /public.php?service=host-meta last;
              rewrite ^/.well-known/host-meta.json /public.php?service=host-meta-json last;
            ''}
          '';
        };
      }
    ]);
  
    meta.doc = ./nextcloud.xml;
  