feat: add environment variable configuration via .env files #104
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- Add python-dotenv dependency for loading environment variables from .env files - Create comprehensive .env.example template with all supported configuration options - Implement .env file loading in server.py with proper precedence handling: * Command-line arguments (highest priority) * Environment variables * Values from .env file * Default values (lowest priority) - Support both DATABASE_URI and individual connection parameters (DB_HOST, DB_PORT, etc.) - Add environment configuration documentation to README.md - Maintain backward compatibility with existing configuration methods This enhancement improves security by keeping sensitive credentials out of command-line arguments and version control, while providing a more convenient configuration workflow for development and deployment scenarios.
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This enhancement improves security by keeping sensitive credentials out of command-line arguments and version control, while providing a more convenient configuration workflow for development and deployment scenarios.