edit files

webgis-v3/config/database.php

@@ -0,0 +1,19 @@
+<?php
+define('DB_HOST', getenv('DB_HOST'));
+define('DB_NAME', getenv('DB_NAME'));
+define('DB_USER', getenv('DB_USER'));
+define('DB_PASS', getenv('DB_PASSWORD'));
+define('DB_CHAR', getenv('DB_CHAR') ?: 'utf8mb4');
+
+function getDB(): PDO {
+    static $pdo = null;
+    if ($pdo === null) {
+        $dsn = "mysql:host=".DB_HOST.";dbname=".DB_NAME.";charset=".DB_CHAR;
+        $pdo = new PDO($dsn, DB_USER, DB_PASS, [
+            PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
+            PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+            PDO::ATTR_EMULATE_PREPARES   => false,
+        ]);
+    }
+    return $pdo;
+}