diff --git a/server/.gitignore b/server/.gitignore
new file mode 100644
index 0000000..41c4035
--- /dev/null
+++ b/server/.gitignore
@@ -0,0 +1,2 @@
+/config.php
+
diff --git a/server/chat.php b/server/chat.php
new file mode 100644
index 0000000..ed07ba8
--- /dev/null
+++ b/server/chat.php
@@ -0,0 +1,4 @@
+<?php
+
+require_once './modules/common.mod.php';
+
diff --git a/server/config.sample.php b/server/config.sample.php
new file mode 100644
index 0000000..ff96e3e
--- /dev/null
+++ b/server/config.sample.php
@@ -0,0 +1,7 @@
+<?php
+
+return ['host' => 'localhost',  // MySQL のアドレス
+        'port' => 3306,         // MySQL のポート番号
+        'user' => 'root',       // MySQL のユーザ名
+        'pass' => ''];          // MySQL のパスワード
+