###############################
# Environment Example (copy to .env)
###############################
# Unified Mongo variable name:
#   MONGODB_URI is the standard now.
# Legacy fallback MONGO_URI is still read by code but will be removed later.
MONGODB_URI=mongodb://mongo:27017/chatdb
# (Optional legacy) MONGO_URI=mongodb://mongo:27017/chatdb

# Security: change this to a long random string (at least 32 chars)
JWT_SECRET=change_this_to_a_random_secret

# Server port (container internal port already mapped in docker-compose)
PORT=4000

# OpenAI / Compatible API
OPENAI_API_KEY=
OPENAI_BASE_URL=https://api.openai.com

# DeepSeek (OpenAI-compatible)
DEEPSEEK_API_KEY=
DEEPSEEK_BASE_URL=https://api.deepseek.com

# Other provider placeholder
OTHER_PROVIDER_KEY=