Initial commit: Korea Tourism Agency website with AdminJS

- Full-stack Node.js/Express application with PostgreSQL
- Modern ES modules architecture
- AdminJS admin panel with Sequelize ORM
- Tourism routes, guides, articles, bookings management
- Responsive Bootstrap 5 frontend
- Docker containerization with docker-compose
- Complete database schema with migrations
- Authentication system for admin panel
- Dynamic placeholder images for tour categories

src/config/database.js

@@ -0,0 +1,33 @@
+import pkg from 'pg';
+const { Pool } = pkg;
+import dotenv from 'dotenv';
+
+dotenv.config();
+
+const pool = new Pool({
+  host: process.env.DB_HOST || 'localhost',
+  port: process.env.DB_PORT || 5432,
+  database: process.env.DB_NAME || 'korea_tourism',
+  user: process.env.DB_USER || 'tourism_user',
+  password: process.env.DB_PASSWORD || 'tourism_password',
+  max: 20,
+  idleTimeoutMillis: 30000,
+  connectionTimeoutMillis: 2000,
+});
+
+// Test database connection
+pool.on('connect', () => {
+  console.log('💾 Connected to PostgreSQL database');
+});
+
+pool.on('error', (err) => {
+  console.error('🔴 Database connection error:', err);
+});
+
+const db = {
+  pool,
+  query: (text, params) => pool.query(text, params)
+};
+
+export default db;
+export { pool };