95 lines
5.7 KiB
Plaintext
95 lines
5.7 KiB
Plaintext
# Task ID: 16
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# Title: Create Configuration Management System
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# Status: done
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# Dependencies: 1 ✅, 2 ✅
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# Priority: high
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# Description: Implement robust configuration handling with environment variables and .env files.
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# Details:
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Build configuration management including:
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- Environment variable handling
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- .env file support
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- Configuration validation
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- Sensible defaults with overrides
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- Create .env.example template
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- Add configuration documentation
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- Implement secure handling of API keys
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# Test Strategy:
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Test configuration loading from various sources (environment variables, .env files). Verify that validation correctly identifies invalid configurations. Test that defaults are applied when values are missing.
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# Subtasks:
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## Subtask ID: 1
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## Title: Implement Environment Variable Loading
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## Status: done
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## Dependencies: None
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## Description: Create a module that loads environment variables from process.env and makes them accessible throughout the application. Implement a hierarchical structure for configuration values with proper typing. Include support for required vs. optional variables and implement a validation mechanism to ensure critical environment variables are present.
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## Acceptance Criteria:
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- Function created to access environment variables with proper TypeScript typing
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- Support for required variables with validation
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- Default values provided for optional variables
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- Error handling for missing required variables
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- Unit tests verifying environment variable loading works correctly
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## Subtask ID: 2
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## Title: Implement .env File Support
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## Status: done
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## Dependencies: 16.1 ✅
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## Description: Add support for loading configuration from .env files using dotenv or a similar library. Implement file detection, parsing, and merging with existing environment variables. Handle multiple environments (.env.development, .env.production, etc.) and implement proper error handling for file reading issues.
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## Acceptance Criteria:
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- Integration with dotenv or equivalent library
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- Support for multiple environment-specific .env files (.env.development, .env.production)
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- Proper error handling for missing or malformed .env files
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- Priority order established (process.env overrides .env values)
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- Unit tests verifying .env file loading and overriding behavior
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## Subtask ID: 3
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## Title: Implement Configuration Validation
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## Status: done
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## Dependencies: 16.1 ✅, 16.2 ✅
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## Description: Create a validation system for configuration values using a schema validation library like Joi, Zod, or Ajv. Define schemas for all configuration categories (API keys, file paths, feature flags, etc.). Implement validation that runs at startup and provides clear error messages for invalid configurations.
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## Acceptance Criteria:
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- Schema validation implemented for all configuration values
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- Type checking and format validation for different value types
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- Comprehensive error messages that clearly identify validation failures
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- Support for custom validation rules for complex configuration requirements
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- Unit tests covering validation of valid and invalid configurations
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## Subtask ID: 4
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## Title: Create Configuration Defaults and Override System
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## Status: done
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## Dependencies: 16.1 ✅, 16.2 ✅, 16.3 ✅
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## Description: Implement a system of sensible defaults for all configuration values with the ability to override them via environment variables or .env files. Create a unified configuration object that combines defaults, .env values, and environment variables with proper precedence. Implement a caching mechanism to avoid repeated environment lookups.
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## Acceptance Criteria:
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- Default configuration values defined for all settings
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- Clear override precedence (env vars > .env files > defaults)
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- Configuration object accessible throughout the application
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- Caching mechanism to improve performance
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- Unit tests verifying override behavior works correctly
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## Subtask ID: 5
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## Title: Create .env.example Template
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## Status: done
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## Dependencies: 16.1 ✅, 16.2 ✅, 16.3 ✅, 16.4 ✅
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## Description: Generate a comprehensive .env.example file that documents all supported environment variables, their purpose, format, and default values. Include comments explaining the purpose of each variable and provide examples. Ensure sensitive values are not included but have clear placeholders.
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## Acceptance Criteria:
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- Complete .env.example file with all supported variables
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- Detailed comments explaining each variable's purpose and format
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- Clear placeholders for sensitive values (API_KEY=your-api-key-here)
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- Categorization of variables by function (API, logging, features, etc.)
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- Documentation on how to use the .env.example file
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## Subtask ID: 6
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## Title: Implement Secure API Key Handling
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## Status: done
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## Dependencies: 16.1 ✅, 16.2 ✅, 16.3 ✅, 16.4 ✅
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## Description: Create a secure mechanism for handling sensitive configuration values like API keys. Implement masking of sensitive values in logs and error messages. Add validation for API key formats and implement a mechanism to detect and warn about insecure storage of API keys (e.g., committed to git). Add support for key rotation and refresh.
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## Acceptance Criteria:
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- Secure storage of API keys and sensitive configuration
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- Masking of sensitive values in logs and error messages
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- Validation of API key formats (length, character set, etc.)
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- Warning system for potentially insecure configuration practices
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- Support for key rotation without application restart
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- Unit tests verifying secure handling of sensitive configuration
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These subtasks provide a comprehensive approach to implementing the configuration management system with a focus on security, validation, and developer experience. The tasks are sequenced to build upon each other logically, starting with basic environment variable support and progressing to more advanced features like secure API key handling.
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