chatbot-widget-be/env.example at main · SheldonFam/chatbot-widget-be · GitHub

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# ================================================
# Chat API Server - Environment Configuration
# ================================================
#
# Instructions:
# 1. Copy this file to .env:
#    Windows: copy env.example .env
#    Mac/Linux: cp env.example .env
# 2. Fill in your actual API keys below
# 3. NEVER commit the .env file to git!
#

# ================================================
# Server Configuration
# ================================================
PORT=3001

# ================================================
# AI Provider API Keys (Choose ONE)
# ================================================

# Option 1: Google Gemini (Currently active in index.js)
# Get your key: https://makersuite.google.com/app/apikey
# FREE tier: 60 requests/minute, no credit card required! 🎉
GEMINI_API_KEY=your_gemini_api_key_here
# Alternative key name (index.js checks both)
GOOGLE_API_KEY=your_google_api_key_here

# Option 2: OpenAI GPT
# Get your key: https://platform.openai.com/api-keys
# PAID: Requires credit card, ~$0.002 per 1K tokens
# OPENAI_API_KEY=sk-your_openai_api_key_here

# Option 3: Anthropic Claude
# Get your key: https://console.anthropic.com/
# PAID: Requires credit card
# ANTHROPIC_API_KEY=your_anthropic_api_key_here

# ================================================
# Optional Configuration
# ================================================

# CORS allowed origins (comma-separated for production)
# CORS_ORIGINS=https://yourdomain.com,https://www.yourdomain.com

# Rate limiting
# RATE_LIMIT_WINDOW_MS=900000
# RATE_LIMIT_MAX_REQUESTS=100

# Node environment
# NODE_ENV=development