.env.example

# Server Configuration
PORT=5000
NODE_ENV=production

# Database
DATABASE_URL=postgresql://postgres:password@localhost:5432/latex_generator

# Authentication
SESSION_SECRET=your_session_secret_here

# API Keys
OPENAI_API_KEY=your_openai_api_key_here
ANTHROPIC_API_KEY=your_anthropic_api_key_here
GROQ_API_KEY=your_groq_api_key_here

# Stripe Integration
STRIPE_SECRET_KEY=your_stripe_secret_key_here
STRIPE_WEBHOOK_SECRET=your_stripe_webhook_secret_here

# Stripe Price IDs
STRIPE_PRICE_TIER1_ID=price_tier1_id_here
STRIPE_PRICE_TIER2_ID=price_tier2_id_here
STRIPE_PRICE_TIER3_ID=price_tier3_id_here
STRIPE_PRICE_TIER4_ID=price_tier4_id_here
STRIPE_PRICE_TIER5_ID=price_tier5_id_here
STRIPE_PRICE_REFILL_PACK_ID=price_refill_pack_id_here

# Domain Configuration (for Production)
DOMAIN=https://your-domain.com

# Client-side Environment Variables (must start with VITE_)
VITE_API_BASE_URL=/api
VITE_STRIPE_PUBLIC_KEY=your_stripe_public_key_here