Improve logging

app/ServiceProvider/LoggingProvider.php

@@ -6,6 +6,8 @@ use Psr\Log\LogLevel;
 use Pimple\Container;
 use Pimple\ServiceProviderInterface;
 use SimpleLogger\Logger;
+use SimpleLogger\Stderr;
+use SimpleLogger\Stdout;
 use SimpleLogger\Syslog;
 use SimpleLogger\File;
 
@@ -14,19 +16,32 @@ class LoggingProvider implements ServiceProviderInterface
     public function register(Container $container)
     {
         $logger = new Logger;
+        $driver = null;
 
-        if (ENABLE_SYSLOG) {
-            $syslog = new Syslog('kanboard');
-            $syslog->setLevel(LogLevel::ERROR);
-            $logger->setLogger($syslog);
+        switch (LOG_DRIVER) {
+            case 'syslog':
+                $driver = new Syslog('kanboard');
+                break;
+            case 'stdout':
+                $driver = new Stdout();
+                break;
+            case 'stderr':
+                $driver = new Stderr();
+                break;
+            case 'file':
+                $driver = new File(LOG_FILE);
+                break;
         }
 
-        if (DEBUG) {
-            $logger->setLogger(new File(DEBUG_FILE));
+        if ($driver !== null) {
+            if (! DEBUG) {
+                $driver->setLevel(LogLevel::INFO);
+            }
+
+            $logger->setLogger($driver);
         }
 
         $container['logger'] = $logger;
-
         return $container;
     }
 }