diff --git a/inc/context.php b/inc/context.php
index 5e540bab..3e52b569 100644
--- a/inc/context.php
+++ b/inc/context.php
@@ -1,24 +1,53 @@
 <?php
 namespace Vichan;
 
-defined('TINYBOARD') or exit;
+use Vichan\Driver\{HttpDriver, HttpDrivers, Log, LogDrivers};
 
-use Vichan\Driver\{HttpDriver, HttpDrivers};
+defined('TINYBOARD') or exit;
 
 
 interface Context {
+	public function getLog(): Log;
 	public function getHttpDriver(): HttpDriver;
 }
 
 class AppContext implements Context {
 	private array $config;
+	private ?Log $log;
 	private ?HttpDriver $http;
 
 
+	private function initLogDriver(): Log {
+		$name = $this->config['log_system']['name'];
+		$level = $this->config['debug'] ? Log::DEBUG : Log::NOTICE;
+		$backend = $this->config['log_system']['type'];
+
+		// Check 'syslog' for backwards compatibility.
+		if ((isset($this->config['syslog']) && $this->config['syslog']) || $backend === 'syslog') {
+			return LogDrivers::syslog($name, $level, $this->config['log_system']['syslog_stderr']);
+		} elseif ($backend === 'file') {
+			return LogDrivers::file($name, $level, $this->config['log_system']['file_path']);
+		} elseif ($backend === 'stderr') {
+			return LogDrivers::stderr($name, $level);
+		} elseif ($backend === 'none') {
+			return LogDrivers::none();
+		} else {
+			return LogDrivers::error_log($name, $level);
+		}
+	}
+
+
 	public function __construct(array $config) {
 		$this->config = $config;
 	}
 
+	public function getLog(): Log {
+		if (is_null($this->log)) {
+			$this->log = $this->initLogDriver();
+		}
+		return $this->log;
+	}
+
 	public function getHttpDriver(): HttpDriver {
 		if (is_null($this->http)) {
 			$this->http = HttpDrivers::getHttpDriver($this->config['upload_by_url_timeout'], $this->config['max_filesize']);