diff --git a/bin/auth_ejabberd.php b/bin/auth_ejabberd.php
index a6f30d2019..af728f218c 100755
--- a/bin/auth_ejabberd.php
+++ b/bin/auth_ejabberd.php
@@ -33,8 +33,10 @@
  */
 
 use Friendica\App;
+use Friendica\Core\Config;
+use Friendica\Factory;
+use Friendica\Util\BasePath;
 use Friendica\Util\ExAuth;
-use Friendica\Util\LoggerFactory;
 
 if (sizeof($_SERVER["argv"]) == 0) {
 	die();
@@ -52,9 +54,12 @@ chdir($directory);
 
 require dirname(__DIR__) . '/vendor/autoload.php';
 
-$logger = LoggerFactory::create('auth_ejabberd');
+$basedir = BasePath::create(dirname(__DIR__));
+$configLoader = new Config\ConfigCacheLoader($basedir);
+$config = Factory\ConfigFactory::createCache($configLoader);
+$logger = Factory\LoggerFactory::create('auth_ejabberd', $config);
 
-$a = new App(dirname(__DIR__), $logger);
+$a = new App($config, $logger);
 
 if ($a->getMode()->isNormal()) {
 	$oAuth = new ExAuth();
diff --git a/bin/console.php b/bin/console.php
index 9264e3eee4..e7b1786de7 100755
--- a/bin/console.php
+++ b/bin/console.php
@@ -3,11 +3,16 @@
 
 require dirname(__DIR__) . '/vendor/autoload.php';
 
-use Friendica\Util\LoggerFactory;
+use Friendica\Core\Config;
+use Friendica\Factory;
+use Friendica\Util\BasePath;
 
-$logger = LoggerFactory::create('console');
+$basedir = BasePath::create(dirname(__DIR__));
+$configLoader = new Config\ConfigCacheLoader($basedir);
+$config = Factory\ConfigFactory::createCache($configLoader);
+$logger = Factory\LoggerFactory::create('console', $config);
 
-$a = new Friendica\App(dirname(__DIR__), $logger);
+$a = new Friendica\App($config, $logger);
 \Friendica\BaseObject::setApp($a);
 
 (new Friendica\Core\Console($argv))->execute();
diff --git a/bin/daemon.php b/bin/daemon.php
index c7b321c11c..7e71571cb3 100755
--- a/bin/daemon.php
+++ b/bin/daemon.php
@@ -11,7 +11,8 @@ use Friendica\App;
 use Friendica\Core\Config;
 use Friendica\Core\Worker;
 use Friendica\Database\DBA;
-use Friendica\Util\LoggerFactory;
+use Friendica\Factory;
+use Friendica\Util\BasePath;
 
 // Get options
 $shortopts = 'f';
@@ -32,9 +33,12 @@ if (!file_exists("boot.php") && (sizeof($_SERVER["argv"]) != 0)) {
 
 require dirname(__DIR__) . '/vendor/autoload.php';
 
-$logger = LoggerFactory::create('daemon');
+$basedir = BasePath::create(dirname(__DIR__));
+$configLoader = new Config\ConfigCacheLoader($basedir);
+$config = Factory\ConfigFactory::createCache($configLoader);
+$logger = Factory\LoggerFactory::create('daemon', $config);
 
-$a = new App(dirname(__DIR__), $logger);
+$a = new App($config, $logger);
 
 if ($a->getMode()->isInstall()) {
 	die("Friendica isn't properly installed yet.\n");
diff --git a/bin/worker.php b/bin/worker.php
index a64b6a8330..61fdbed544 100755
--- a/bin/worker.php
+++ b/bin/worker.php
@@ -4,11 +4,13 @@
  * @file bin/worker.php
  * @brief Starts the background processing
  */
+
 use Friendica\App;
 use Friendica\Core\Config;
-use Friendica\Core\Worker;
 use Friendica\Core\Update;
-use Friendica\Util\LoggerFactory;
+use Friendica\Core\Worker;
+use Friendica\Factory;
+use Friendica\Util\BasePath;
 
 // Get options
 $shortopts = 'sn';
@@ -29,12 +31,15 @@ if (!file_exists("boot.php") && (sizeof($_SERVER["argv"]) != 0)) {
 
 require dirname(__DIR__) . '/vendor/autoload.php';
 
-$logger = LoggerFactory::create('worker');
+$basedir = BasePath::create(dirname(__DIR__));
+$configLoader = new Config\ConfigCacheLoader($basedir);
+$config = Factory\ConfigFactory::createCache($configLoader);
+$logger = Factory\LoggerFactory::create('worker', $config);
 
-$a = new App(dirname(__DIR__), $logger);
+$a = new App($config, $logger);
 
 // Check the database structure and possibly fixes it
-Update::check(true);
+Update::check($a->getBasePath(), true);
 
 // Quit when in maintenance
 if (!$a->getMode()->has(App\Mode::MAINTENANCEDISABLED)) {
diff --git a/mod/admin.php b/mod/admin.php
index 8c47877010..51af866898 100644
--- a/mod/admin.php
+++ b/mod/admin.php
@@ -916,7 +916,7 @@ function admin_page_summary(App $a)
 	}
 
 	if (Config::get('system', 'dbupdate', DBStructure::UPDATE_NOT_CHECKED) == DBStructure::UPDATE_NOT_CHECKED) {
-		DBStructure::update(false, true);
+		DBStructure::update($a->getBasePath(), false, true);
 	}
 	if (Config::get('system', 'dbupdate') == DBStructure::UPDATE_FAILED) {
 		$showwarning = true;
@@ -1725,7 +1725,7 @@ function admin_page_dbsync(App $a)
 	}
 
 	if (($a->argc > 2) && (intval($a->argv[2]) || ($a->argv[2] === 'check'))) {
-		$retval = DBStructure::update(false, true);
+		$retval = DBStructure::update($a->getBasePath(), false, true);
 		if ($retval === '') {
 			$o .= L10n::t("Database structure update %s was successfully applied.", DB_UPDATE_VERSION) . "<br />";
 			Config::set('database', 'last_successful_update', DB_UPDATE_VERSION);
diff --git a/src/App.php b/src/App.php
index caf2026348..79e8428705 100644
--- a/src/App.php
+++ b/src/App.php
@@ -1288,7 +1288,7 @@ class App
 			$this->module = 'maintenance';
 		} else {
 			$this->checkURL();
-			Core\Update::check(false);
+			Core\Update::check($this->basePath, false);
 			Core\Addon::loadAddons();
 			Core\Hook::loadHooks();
 		}
diff --git a/src/BaseObject.php b/src/BaseObject.php
index 84ff193823..4deba1ced1 100644
--- a/src/BaseObject.php
+++ b/src/BaseObject.php
@@ -6,7 +6,9 @@ namespace Friendica;
 
 require_once 'boot.php';
 
-use Friendica\Util\LoggerFactory;
+use Friendica\Core\Config;
+use Friendica\Factory;
+use Friendica\Util\BasePath;
 
 /**
  * Basic object
@@ -28,8 +30,11 @@ class BaseObject
 	public static function getApp()
 	{
 		if (empty(self::$app)) {
-			$logger = $logger = LoggerFactory::create('app');
-			self::$app = new App(dirname(__DIR__), $logger);
+			$basedir = BasePath::create(dirname(__DIR__));
+			$configLoader = new Config\ConfigCacheLoader($basedir);
+			$config = Factory\ConfigFactory::createCache($configLoader);
+			$logger = Factory\LoggerFactory::create('app', $config);
+			self::$app = new App($config, $logger);
 		}
 
 		return self::$app;
diff --git a/src/Core/Console/AutomaticInstallation.php b/src/Core/Console/AutomaticInstallation.php
index 9a63f56ed4..8c3e5ebbee 100644
--- a/src/Core/Console/AutomaticInstallation.php
+++ b/src/Core/Console/AutomaticInstallation.php
@@ -158,7 +158,7 @@ HELP;
 
 		$installer->resetChecks();
 
-		if (!$installer->installDatabase()) {
+		if (!$installer->installDatabase($a->getBasePath())) {
 			$errorMessage = $this->extractErrors($installer->getChecks());
 			throw new RuntimeException($errorMessage);
 		}
diff --git a/src/Core/Console/DatabaseStructure.php b/src/Core/Console/DatabaseStructure.php
index 724feea5e4..1ec108d2e6 100644
--- a/src/Core/Console/DatabaseStructure.php
+++ b/src/Core/Console/DatabaseStructure.php
@@ -61,17 +61,19 @@ HELP;
 
 		Core\Config::load();
 
+		$a = get_app();
+
 		switch ($this->getArgument(0)) {
 			case "dryrun":
-				$output = DBStructure::update(true, false);
+				$output = DBStructure::update($a->getBasePath(), true, false);
 				break;
 			case "update":
 				$force = $this->getOption(['f', 'force'], false);
-				$output = Update::run($force, true, false);
+				$output = Update::run($a->getBasePath(), $force, true, false);
 				break;
 			case "dumpsql":
 				ob_start();
-				DBStructure::printStructure();
+				DBStructure::printStructure($a->getBasePath());
 				$output = ob_get_clean();
 				break;
 			case "toinnodb":
diff --git a/src/Core/Console/PostUpdate.php b/src/Core/Console/PostUpdate.php
index 17ed231f97..103d0fef7e 100644
--- a/src/Core/Console/PostUpdate.php
+++ b/src/Core/Console/PostUpdate.php
@@ -2,8 +2,8 @@
 
 namespace Friendica\Core\Console;
 
-use Friendica\Core\L10n;
 use Friendica\Core\Config;
+use Friendica\Core\L10n;
 use Friendica\Core\Update;
 
 /**
@@ -56,7 +56,7 @@ HELP;
 		}
 
 		echo L10n::t('Check for pending update actions.') . "\n";
-		Update::run(true, true, false);
+		Update::run($a->getBasePath(), true, true, false);
 		echo L10n::t('Done.') . "\n";
 
 		echo L10n::t('Execute pending post updates.') . "\n";
diff --git a/src/Core/Installer.php b/src/Core/Installer.php
index a487aec78b..7e79f29f15 100644
--- a/src/Core/Installer.php
+++ b/src/Core/Installer.php
@@ -168,12 +168,14 @@ class Installer
 	/***
 	 * Installs the DB-Scheme for Friendica
 	 *
+	 * @param string $basePath The base path of this application
+	 *
 	 * @return bool true if the installation was successful, otherwise false
 	 * @throws Exception
 	 */
-	public function installDatabase()
+	public function installDatabase($basePath)
 	{
-		$result = DBStructure::update(false, true, true);
+		$result = DBStructure::update($basePath, false, true, true);
 
 		if ($result) {
 			$txt = L10n::t('You may need to import the file "database.sql" manually using phpmyadmin or mysql.') . EOL;
diff --git a/src/Core/Update.php b/src/Core/Update.php
index 368f5f55cc..5df0675cda 100644
--- a/src/Core/Update.php
+++ b/src/Core/Update.php
@@ -14,10 +14,11 @@ class Update
 	/**
 	 * @brief Function to check if the Database structure needs an update.
 	 *
+	 * @param string $basePath The base path of this application
 	 * @param boolean $via_worker boolean Is the check run via the worker?
 	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 	 */
-	public static function check($via_worker)
+	public static function check($basePath, $via_worker)
 	{
 		if (!DBA::connected()) {
 			return;
@@ -38,7 +39,7 @@ class Update
 		if ($build < DB_UPDATE_VERSION) {
 			// When we cannot execute the database update via the worker, we will do it directly
 			if (!Worker::add(PRIORITY_CRITICAL, 'DBUpdate') && $via_worker) {
-				self::run();
+				self::run($basePath);
 			}
 		}
 	}
@@ -46,14 +47,15 @@ class Update
 	/**
 	 * Automatic database updates
 	 *
-	 * @param bool $force    Force the Update-Check even if the lock is set
-	 * @param bool $verbose  Run the Update-Check verbose
-	 * @param bool $sendMail Sends a Mail to the administrator in case of success/failure
+	 * @param string $basePath The base path of this application
+	 * @param bool $force      Force the Update-Check even if the lock is set
+	 * @param bool $verbose    Run the Update-Check verbose
+	 * @param bool $sendMail   Sends a Mail to the administrator in case of success/failure
 	 *
 	 * @return string Empty string if the update is successful, error messages otherwise
 	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 	 */
-	public static function run($force = false, $verbose = false, $sendMail = true)
+	public static function run($basePath, $force = false, $verbose = false, $sendMail = true)
 	{
 		// In force mode, we release the dbupdate lock first
 		// Necessary in case of an stuck update
@@ -91,7 +93,7 @@ class Update
 					}
 
 					// update the structure in one call
-					$retval = DBStructure::update($verbose, true);
+					$retval = DBStructure::update($basePath, $verbose, true);
 					if ($retval) {
 						if ($sendMail) {
 							self::updateFailed(
@@ -125,7 +127,7 @@ class Update
 				}
 			}
 		} elseif ($force) {
-			DBStructure::update($verbose, true);
+			DBStructure::update($basePath, $verbose, true);
 		}
 
 		return '';
diff --git a/src/Database/DBA.php b/src/Database/DBA.php
index 62789589ce..dc3c62abea 100644
--- a/src/Database/DBA.php
+++ b/src/Database/DBA.php
@@ -2,7 +2,7 @@
 
 namespace Friendica\Database;
 
-use Friendica\Core\Config\ConfigCache;
+use Friendica\Core\Config\IConfigCache;
 use Friendica\Core\Logger;
 use Friendica\Core\System;
 use Friendica\Util\DateTimeFormat;
@@ -32,7 +32,7 @@ class DBA
 	public static $connected = false;
 
 	/**
-	 * @var ConfigCache
+	 * @var IConfigCache
 	 */
 	private static $config;
 	private static $server_info = '';
@@ -1031,7 +1031,7 @@ class DBA
 	 * This process must only be started once, since the value is cached.
 	 */
 	private static function buildRelationData() {
-		$definition = DBStructure::definition();
+		$definition = DBStructure::definition(self::$config->get('system', 'basepath'));
 
 		foreach ($definition AS $table => $structure) {
 			foreach ($structure['fields'] AS $field => $field_struct) {
diff --git a/src/Database/DBStructure.php b/src/Database/DBStructure.php
index 2724670e7b..75a5c86241 100644
--- a/src/Database/DBStructure.php
+++ b/src/Database/DBStructure.php
@@ -74,9 +74,9 @@ class DBStructure
 		return L10n::t('Errors encountered performing database changes: ') . $message . EOL;
 	}
 
-	public static function printStructure()
+	public static function printStructure($basePath)
 	{
-		$database = self::definition(false);
+		$database = self::definition($basePath, false);
 
 		echo "-- ------------------------------------------\n";
 		echo "-- " . FRIENDICA_PLATFORM . " " . FRIENDICA_VERSION . " (" . FRIENDICA_CODENAME, ")\n";
@@ -98,14 +98,15 @@ class DBStructure
 	 *
 	 * @see config/dbstructure.config.php
 	 * @param boolean $with_addons_structure Whether to tack on addons additional tables
+	 * @param string  $basePath              The base path of this application
 	 * @return array
 	 * @throws Exception
 	 */
-	public static function definition($basepath, $with_addons_structure = true)
+	public static function definition($basePath, $with_addons_structure = true)
 	{
 		if (!self::$definition) {
 
-			$filename = $basepath . '/config/dbstructure.config.php';
+			$filename = $basePath . '/config/dbstructure.config.php';
 
 			if (!is_readable($filename)) {
 				throw new Exception('Missing database structure config file config/dbstructure.config.php');
@@ -246,15 +247,16 @@ class DBStructure
 	/**
 	 * Updates DB structure and returns eventual errors messages
 	 *
-	 * @param bool  $verbose
-	 * @param bool  $action     Whether to actually apply the update
-	 * @param bool  $install    Is this the initial update during the installation?
-	 * @param array $tables     An array of the database tables
-	 * @param array $definition An array of the definition tables
+	 * @param string $basePath   The base path of this application
+	 * @param bool   $verbose
+	 * @param bool   $action     Whether to actually apply the update
+	 * @param bool   $install    Is this the initial update during the installation?
+	 * @param array  $tables     An array of the database tables
+	 * @param array  $definition An array of the definition tables
 	 * @return string Empty string if the update is successful, error messages otherwise
 	 * @throws Exception
 	 */
-	public static function update($verbose, $action, $install = false, array $tables = null, array $definition = null)
+	public static function update($basePath, $verbose, $action, $install = false, array $tables = null, array $definition = null)
 	{
 		if ($action && !$install) {
 			Config::set('system', 'maintenance', 1);
@@ -283,7 +285,7 @@ class DBStructure
 
 		// Get the definition
 		if (is_null($definition)) {
-			$definition = self::definition();
+			$definition = self::definition($basePath);
 		}
 
 		// MySQL >= 5.7.4 doesn't support the IGNORE keyword in ALTER TABLE statements
diff --git a/src/Factory/ConfigFactory.php b/src/Factory/ConfigFactory.php
index 1b0b66eec3..4ab20d1d56 100644
--- a/src/Factory/ConfigFactory.php
+++ b/src/Factory/ConfigFactory.php
@@ -6,6 +6,11 @@ use Friendica\Core\Config;
 
 class ConfigFactory
 {
+	/**
+	 * @param Config\ConfigCacheLoader $loader The Config Cache loader (INI/config/.htconfig)
+	 *
+	 * @return Config\ConfigCache
+	 */
 	public static function createCache(Config\ConfigCacheLoader $loader)
 	{
 		$configCache = new Config\ConfigCache();
@@ -17,6 +22,7 @@ class ConfigFactory
 	/**
 	 * @param string              $type   The adapter type
 	 * @param Config\IConfigCache $config The config cache of this adapter
+	 *
 	 * @return Config\IConfigAdapter
 	 */
 	public static function createConfig($type, $config)
@@ -32,6 +38,7 @@ class ConfigFactory
 	 * @param string               $type   The adapter type
 	 * @param int                  $uid    The UID of the current user
 	 * @param Config\IPConfigCache $config The config cache of this adapter
+	 *
 	 * @return Config\IPConfigAdapter
 	 */
 	public static function createPConfig($type, $uid, $config)
diff --git a/src/Model/Attach.php b/src/Model/Attach.php
index 7efb56f95a..d65e67fe3e 100644
--- a/src/Model/Attach.php
+++ b/src/Model/Attach.php
@@ -7,15 +7,15 @@
 namespace Friendica\Model;
 
 use Friendica\BaseObject;
-use Friendica\Core\System;
 use Friendica\Core\StorageManager;
+use Friendica\Core\System;
 use Friendica\Database\DBA;
 use Friendica\Database\DBStructure;
 use Friendica\Model\Storage\IStorage;
 use Friendica\Object\Image;
-use Friendica\Util\Security;
 use Friendica\Util\DateTimeFormat;
 use Friendica\Util\Mimetype;
+use Friendica\Util\Security;
 
 /**
  * Class to handle attach dabatase table
@@ -31,7 +31,7 @@ class Attach extends BaseObject
 	 */
 	private static function getFields()
 	{
-		$allfields = DBStructure::definition(false);
+		$allfields = DBStructure::definition(self::getApp()->getBasePath(), false);
 		$fields = array_keys($allfields['attach']['fields']);
 		array_splice($fields, array_search('data', $fields), 1);
 		return $fields;
diff --git a/src/Module/Install.php b/src/Module/Install.php
index d1a35c1518..327e59422c 100644
--- a/src/Module/Install.php
+++ b/src/Module/Install.php
@@ -103,7 +103,7 @@ class Install extends BaseModule
 					return;
 				}
 
-				self::$installer->installDatabase();
+				self::$installer->installDatabase($a->getBasePath());
 
 				break;
 		}
diff --git a/src/Worker/DBUpdate.php b/src/Worker/DBUpdate.php
index 48c7e7ce6a..05bace1467 100644
--- a/src/Worker/DBUpdate.php
+++ b/src/Worker/DBUpdate.php
@@ -5,12 +5,13 @@
  */
 namespace Friendica\Worker;
 
+use Friendica\BaseObject;
 use Friendica\Core\Update;
 
-class DBUpdate
+class DBUpdate extends BaseObject
 {
 	public static function execute()
 	{
-		Update::run();
+		Update::run(self::getApp()->getBasePath());
 	}
 }
diff --git a/tests/DatabaseTest.php b/tests/DatabaseTest.php
index 2cb76dcad9..69ee750dbc 100644
--- a/tests/DatabaseTest.php
+++ b/tests/DatabaseTest.php
@@ -36,7 +36,9 @@ abstract class DatabaseTest extends MockedTest
 			$this->markTestSkipped('Please set the MYSQL_* environment variables to your test database credentials.');
 		}
 
-		DBA::connect(getenv('MYSQL_HOST'),
+		DBA::connect(
+			__DIR__,
+			getenv('MYSQL_HOST'),
 			getenv('MYSQL_USERNAME'),
 			getenv('MYSQL_PASSWORD'),
 			getenv('MYSQL_DATABASE'));
diff --git a/tests/include/ApiTest.php b/tests/include/ApiTest.php
index cf7571073a..9cf3e2ea5d 100644
--- a/tests/include/ApiTest.php
+++ b/tests/include/ApiTest.php
@@ -10,8 +10,8 @@ use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 use Friendica\Core\Protocol;
 use Friendica\Core\System;
+use Friendica\Factory\LoggerFactory;
 use Friendica\Network\HTTPException;
-use Friendica\Util\LoggerFactory;
 use Monolog\Handler\TestHandler;
 
 require_once __DIR__ . '/../../include/api.php';