Add docker entrypoint and env loader

kngil/bbs/db_conn.php

@@ -1,10 +1,17 @@
 <?php
-$dsn = "pgsql:host=172.16.9.44;port=5432;dbname=KNGIL";
-$user = "postgres";
-$pass = "erpteam1!";
+require_once __DIR__ . '/env.php';
+kngil_load_env_once(dirname(__DIR__, 2) . '/.env');
+
+$dbHost = getenv('DB_HOST') ?: 'db';
+$dbPort = getenv('DB_PORT') ?: '5432';
+$dbName = getenv('DB_NAME') ?: 'kngil';
+$dbUser = getenv('DB_USER') ?: 'postgres';
+$dbPass = getenv('DB_PASS') ?: 'postgres';
+
+$dsn = "pgsql:host={$dbHost};port={$dbPort};dbname={$dbName}";
 
 try {
-    $pdo = new PDO($dsn, $user, $pass, [
+    $pdo = new PDO($dsn, $dbUser, $dbPass, [
         PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION
     ]);
     // echo "PostgreSQL 연결 성공 🎉";