nextcloud-server/config/config.sample.php

<?php

define("DEBUG", true);

$CONFIG = array(
"installed" => false,
"dbtype" => "sqlite",
"dbname" => "owncloud",
"dbuser" => "",
"dbpassword" => "",
"dbhost" => "",
"dbtableprefix" => "",
"forcessl" => false,
"enablebackup" => false,
"theme" => "",
"3rdpartyroot" => "",
"3rdpartyurl" => "",
"defaultapp" => "files",
"knowledgebaseenabled" => true,
"knowledgebaseurl" => "",
"appstoreenabled" => true,
"appstoreurl" => "",
"mail_smtpmode" => "sendmail",
"mail_smtphost" => "127.0.0.1",
"mail_smtpauth" => false,
"mail_smtpname" => "",
"mail_smtppassword" => "",
"appcodechecker" => "",
"log_type" => "",
"logfile" => "",
"loglevel" => "",
/* Set this to false to disable the check for writable apps dir.
 * If the apps dir is not writable, you can't download&install extra apps
 * in the admin apps menu.
 */
// "datadirectory" => "",
"apps_paths" => array(

/* Set an array of path for your apps directories
 key 'path' is for the fs path an the key 'url' is for the http path to your
 applications paths. 'writable' indicate if the user can install apps in this folder.
*/
	array(
		'path'=> '/var/www/owncloud/apps',
		'url' => '/apps',
		'writable' => true,
  ),
 ),
);
?>