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backend/env.example

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+# ===========================================
+# LNPaywall Backend Environment Configuration
+# ===========================================
+
+# Server Configuration
+NODE_ENV=development
+PORT=3001
+API_URL=http://localhost:3001
+FRONTEND_URL=http://localhost:5173
+
+# Database Configuration (SQLite - easy setup)
+DATABASE_URL="file:./dev.db"
+
+# Alternative: PostgreSQL (for production)
+# DATABASE_URL="postgresql://user:password@localhost:5432/lnpaywall?schema=public"
+
+# Redis Configuration
+REDIS_URL="redis://localhost:6379"
+
+# JWT Configuration
+JWT_SECRET="your-super-secret-jwt-key-change-in-production"
+JWT_REFRESH_SECRET="your-super-secret-refresh-key-change-in-production"
+JWT_ACCESS_EXPIRES_IN="15m"
+JWT_REFRESH_EXPIRES_IN="7d"
+
+# OAuth Configuration (Optional)
+GOOGLE_CLIENT_ID=""
+GOOGLE_CLIENT_SECRET=""
+GITHUB_CLIENT_ID=""
+GITHUB_CLIENT_SECRET=""
+
+# Payment Provider - LNbits Configuration
+LNBITS_URL="https://legend.lnbits.com"
+LNBITS_ADMIN_KEY="your-lnbits-admin-key"
+LNBITS_INVOICE_KEY="your-lnbits-invoice-key"
+
+# Payment Provider - BTCPay Server Configuration (Alternative)
+BTCPAY_URL=""
+BTCPAY_STORE_ID=""
+BTCPAY_API_KEY=""
+
+# Platform Fee Configuration
+PLATFORM_FEE_PERCENT=10
+PLATFORM_FEE_PERCENT_PRO=0
+PRO_PRICE_SATS=50000
+PLATFORM_LIGHTNING_ADDRESS=""
+
+# Security
+COOKIE_SECRET="your-cookie-secret-change-in-production"
+ALLOWED_ORIGINS="http://localhost:5173,http://localhost:3000"
+
+# Rate Limiting
+RATE_LIMIT_WINDOW_MS=900000
+RATE_LIMIT_MAX_REQUESTS=100
+