Manage development, staging, and production environments with type-safe configuration and secrets handling.

• Provides templates for .env files, per-developer overrides, and environment-specific configurations with clear gitignore rules
• Includes TypeScript validation using Zod to enforce required variables and type constraints at runtime with detailed error messages
• Supports multi-environment config files (development, production, test) with environment-specific settings for logging, CORS, and rate limiting
• Covers Docker Compose integration, secrets management patterns, and 12 Factor App compliance for configuration as code