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Software Engineering

725Why Configuration Must Be Separate from Code
726What Belongs in Configuration
727The Dangers of Configuration in Source Control
728Configuration vs. Application Code
729Default Values and Configuration Hierarchies
730Configuration Validation at Startup
731Documentation and Configuration Schemas
732Configuration Changes Without Redeployment
733Using Environment Variables for Configuration
734Configuration Files vs Environment Variables
735Configuration File Formats and Parsing
736Precedence and Overriding
737Environment-Specific Configuration Files
738Validation and Type Safety
739Local Development Configuration
740What Are Secrets and Why They Matter
741The Dangers of Hardcoding Secrets
742Secrets in Environment Variables
743Secret Scanning and Prevention
744Dedicated Secret Management Services
745Secret Rotation and Lifecycle Management
746Access Control and Audit Logging for Secrets
747Secrets in CI/CD Pipelines
748Introduction to the Twelve-Factor App Methodology
749Codebase, Dependencies, and Config Factors
750Backing Services and Build-Release-Run Factors
751Processes and Port Binding Factors
752Concurrency, Disposability, and Dev-Prod Parity Factors
753Logs and Admin Processes Factors
754Applying Twelve-Factor Principles in Practice

Software Engineering

725Why Configuration Must Be Separate from Code
726What Belongs in Configuration
727The Dangers of Configuration in Source Control
728Configuration vs. Application Code
729Default Values and Configuration Hierarchies
730Configuration Validation at Startup
731Documentation and Configuration Schemas
732Configuration Changes Without Redeployment
733Using Environment Variables for Configuration
734Configuration Files vs Environment Variables
735Configuration File Formats and Parsing
736Precedence and Overriding
737Environment-Specific Configuration Files
738Validation and Type Safety
739Local Development Configuration
740What Are Secrets and Why They Matter
741The Dangers of Hardcoding Secrets
742Secrets in Environment Variables
743Secret Scanning and Prevention
744Dedicated Secret Management Services
745Secret Rotation and Lifecycle Management
746Access Control and Audit Logging for Secrets
747Secrets in CI/CD Pipelines
748Introduction to the Twelve-Factor App Methodology
749Codebase, Dependencies, and Config Factors
750Backing Services and Build-Release-Run Factors
751Processes and Port Binding Factors
752Concurrency, Disposability, and Dev-Prod Parity Factors
753Logs and Admin Processes Factors
754Applying Twelve-Factor Principles in Practice

← Software Engineering

Lesson 740 of 1,933·23. Configuration ManagementPro lesson

What Are Secrets and Why They Matter

Understanding sensitive data like API keys, passwords, and tokens that must never appear in code or logs.

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