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Docker Backend/.env.example

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+# Environment Configuration Example
+# Copy this file to .env and fill in your values
+
+# Node Environment
+NODE_ENV=production
+
+# Scriptalizer API Configuration
+SCRIPTALIZER_LICENSE_KEY=your-license-key-here
+SCRIPTALIZER_ERR_FREQUENCY=0
+
+# Preview Configuration
+# No batch size limit - frontend can send unlimited letters
+# Backend automatically splits into 25-letter batches for Scriptalizer API
+# No cache expiration
+# No rate limiting
+
+# Server Configuration
+PORT=4000
+
+# API Authentication (optional)
+API_TOKEN=your-api-token-here
+
+# PayPal Configuration (for B2C payments)
+# Get credentials from PayPal Developer Dashboard:
+# https://developer.paypal.com/dashboard/applications/
+PAYPAL_CLIENT_ID=your-paypal-client-id
+PAYPAL_CLIENT_SECRET=your-paypal-client-secret
+# Options: 'sandbox' or 'live'
+PAYPAL_ENVIRONMENT=sandbox