diff --git a/common/Define/Engine.php b/common/Define/Engine.php
new file mode 100644
index 0000000..2369669
--- /dev/null
+++ b/common/Define/Engine.php
@@ -0,0 +1,8 @@
+<?php
+namespace ProVM\Common\Define;
+
+interface Engine {
+    public function __construct(string $host, string $name, ?int $port = null);
+    public function dsn(): string;
+    public function hasLogin(): bool;
+}
\ No newline at end of file
diff --git a/common/Service/Database.php b/common/Service/Database.php
new file mode 100644
index 0000000..88e12fc
--- /dev/null
+++ b/common/Service/Database.php
@@ -0,0 +1,36 @@
+<?php
+namespace ProVM\Common\Service;
+
+use \Model;
+
+class Database {
+    protected $settings;
+    public function __construct($settings) {
+        $this->settings = $settings;
+    }
+    public function load() {
+        foreach ($this->settings->databases as $name => $settings) {
+            $engine = $this->getEngine($settings);
+            $configs = ['connection_string' => $engine->dsn()];
+            if ($engine->hasLogin()) {
+                $configs['username'] = $settings->user->name;
+                $configs['password'] = $settings->user->password;
+            }
+            Model::configure($configs, null, $name);
+        }
+        if (isset($this->settings->short_names)) {
+            Model::$short_table_names = $this->settings->short_names;
+        }
+    }
+    protected function getEngine($settings): \ProVM\Common\Define\Engine {
+        $name = match($settings->engine) {
+            'mysql' => 'MySQL'
+        };
+        $class = implode("\\", [
+            'ProVM',
+            'Database',
+            $name
+        ]);
+        return new $class($settings->host->name, $settings->name, $settings->host->port ?? null);
+    }
+}
\ No newline at end of file