This article was originally published on AI Study Room . For the full version with working code examples and related articles, visit the original post. Configuration Management Configuration Management Configuration management addresses how applications receive configuration at build time, deploy time, and runtime. Effective configuration management ensures applications run correctly across different environments without code changes. This article covers environment variables, configuration files, feature flags, and secret management. The Twelve-Factor App Approach The Twelve-Factor App methodology provides canonical guidance for configuration management. It states that configuration should be stored in environment variables. Code remains constant across environments; configuration changes with each deployment. This strict separation between code and config enables several best practices. The same codebase can be deployed to development, staging, and production without changes.…