https://www.pistack.xyz/tags/application-config/ Recent content in Application-Config on Pi Stack Hugo en-us Sun, 21 Jun 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-06-21-application-configuration-libraries-viper-koanf-configrs-typesafe/ Sun, 21 Jun 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-06-21-application-configuration-libraries-viper-koanf-configrs-typesafe/ <h2 id="introduction">Introduction</h2> <p>Every application needs configuration — database connection strings, API keys, feature flags, and environment-specific settings. While environment variables and flat files work for simple cases, production-grade applications need layered configuration management: merging defaults, file configs, environment variables, and command-line flags in a predictable order.</p>