some fixes

.history/.env_20251019201552

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+# Environment Configuration
+NODE_ENV=development
+PORT=3000
+
+# Database - PostgreSQL
+DATABASE_URL=postgresql://postgres:password@localhost:5432/smartsoltech
+DB_HOST=localhost
+DB_PORT=5432
+DB_NAME=smartsoltech
+DB_USER=postgres
+DB_PASSWORD=password
+
+# JWT Secret
+JWT_SECRET=:AISDFUhbsLKFJADESFIOlugtywow8fryuelhbf2p349[yresdugiflhbjKASDJfbh
+
+# Session Secret
+SESSION_SECRET=LKSJ:DFHGAJKLfbads;oflIAFK:DHJSUGBVdil;asufgtdshjfv
+
+# Telegram Bot
+TELEGRAM_BOT_TOKEN=8289431590:AAEVZWjb6PgGbv-jivphXfqCMD9c6NqE870
+TELEGRAM_CHAT_ID=-4949859416
+
+# Email Configuration (for contact forms)
+EMAIL_HOST=smtp.gmail.com
+EMAIL_PORT=587
+EMAIL_USER=your_email@gmail.com
+EMAIL_PASS=your_email_password
+
+# Admin Credentials (default)
+ADMIN_EMAIL=admin@smartsoltech.kr
+ADMIN_PASSWORD=admin123456
+
+# File Upload
+MAX_FILE_SIZE=10485760
+UPLOAD_PATH=./public/uploads
+
+# Site Configuration
+SITE_URL=https://smartsoltech.kr
+SITE_NAME=SmartSolTech