diff --git a/src/db.php b/src/db.php
new file mode 100644
index 0000000..0c142da
--- /dev/null
+++ b/src/db.php
@@ -0,0 +1,15 @@
+<?php
+$config = require __DIR__ . '/config.php';
+$cfg = $config['db'];
+$dsn = sprintf('mysql:host=%s;port=%s;dbname=%s;charset=%s', $cfg['host'], $cfg['port'], $cfg['dbname'], $cfg['charset']);
+$options = [
+    PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
+    PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+    PDO::ATTR_EMULATE_PREPARES => false,
+];
+try {
+    $pdo = new PDO($dsn, $cfg['user'], $cfg['pass'], $options);
+} catch (PDOException $e) {
+    http_response_code(500);
+    exit('DB connection error: ' . htmlspecialchars($e->getMessage()));
+}