.env.example

# Database Configuration
DATABASE_URL=file:./walmart_perishables.db

# OpenAI API Configuration (for AI features)
OPENAI_API_KEY=your_openai_api_key_here

# JWT Configuration
JWT_SECRET=your_jwt_secret_here

# Node Environment
NODE_ENV=development

# Port Configuration
PORT=3001

# Optional: LangChain Configuration
LANGCHAIN_API_KEY=your_langchain_api_key_here
LANGCHAIN_PROJECT=walmart-smart-perishables

# Optional: Pinecone Vector Database (for advanced AI features)
PINECONE_API_KEY=your_pinecone_api_key_here
PINECONE_ENVIRONMENT=your_pinecone_environment_here

# Optional: Blockchain Configuration (for transparency features)
ETHEREUM_RPC_URL=your_ethereum_rpc_url_here
PRIVATE_KEY=your_private_key_here
CONTRACT_ADDRESS=your_contract_address_here