diff --git a/app.php b/app.php
index bc5b1b3..26f7687 100644
--- a/app.php
+++ b/app.php
@@ -12,7 +12,7 @@ use Slim\Views\Blade;
 require_once __DIR__ . '/packages/autoload.php';
 
 // Load config files
-require_once GROCY_DATAPATH . '/config.php';
+require_once getenv('GROCY_CONFIG_FILE');
 require_once __DIR__ . '/config-dist.php'; // For not in own config defined values we use the default ones
 require_once __DIR__ . '/helpers/ConfigurationValidator.php';
 
@@ -64,7 +64,7 @@ $app = AppFactory::create();
 $container = $app->getContainer();
 $container->set('view', function (Container $container)
 {
-	return new Blade(__DIR__ . '/views', GROCY_DATAPATH . '/viewcache');
+	return new Blade(__DIR__ . '/views', getenv('GROCY_CACHE_DIR'));
 });
 
 $container->set('UrlManager', function (Container $container)
@@ -106,7 +106,7 @@ $errorMiddleware->setDefaultErrorHandler(
 
 $app->add(new CorsMiddleware($app->getResponseFactory()));
 
-$app->getRouteCollector()->setCacheFile(GROCY_DATAPATH . '/viewcache/route_cache.php');
+$app->getRouteCollector()->setCacheFile(getenv('GROCY_CACHE_DIR') . '/route_cache.php');
 
 ob_clean(); // No response output before here
 $app->run();
diff --git a/helpers/PrerequisiteChecker.php b/helpers/PrerequisiteChecker.php
index 8e12a5c..37b433d 100644
--- a/helpers/PrerequisiteChecker.php
+++ b/helpers/PrerequisiteChecker.php
@@ -18,7 +18,6 @@ class PrerequisiteChecker
 	public function checkRequirements()
 	{
 		self::checkForPhpVersion();
-		self::checkForConfigFile();
 		self::checkForConfigDistFile();
 		self::checkForComposer();
 		self::checkForPhpExtensions();
diff --git a/services/DatabaseService.php b/services/DatabaseService.php
index ba79a73..e6cf14f 100644
--- a/services/DatabaseService.php
+++ b/services/DatabaseService.php
@@ -29,7 +29,7 @@ class DatabaseService
 
 		if (GROCY_MODE === 'dev')
 		{
-			$logFilePath = GROCY_DATAPATH . '/sql.log';
+			$logFilePath = getenv('GROCY_SQL_LOG_FILE');;
 			if (file_exists($logFilePath))
 			{
 				file_put_contents($logFilePath, $sql . PHP_EOL, FILE_APPEND);
diff --git a/services/FilesService.php b/services/FilesService.php
index 7d07035..a6dd4b0 100644
--- a/services/FilesService.php
+++ b/services/FilesService.php
@@ -10,7 +10,7 @@ class FilesService extends BaseService
 
 	public function __construct()
 	{
-		$this->StoragePath = GROCY_DATAPATH . '/storage';
+		$this->StoragePath = getenv('GROCY_STORAGE_DIR');
 		if (!file_exists($this->StoragePath))
 		{
 			mkdir($this->StoragePath);
diff --git a/services/StockService.php b/services/StockService.php
index 9f034a5..fd3c0b7 100644
--- a/services/StockService.php
+++ b/services/StockService.php
@@ -1707,7 +1707,7 @@ class StockService extends BaseService
 			throw new \Exception('No barcode lookup plugin defined');
 		}
 
-		$path = GROCY_DATAPATH . "/plugins/$pluginName.php";
+		$path = getenv('GROCY_PLUGIN_DIR') . "/$pluginName.php";
 		if (file_exists($path))
 		{
 			require_once $path;