Worked on the ktorio/ktor-documentation repository to enhance the reliability of onboarding documentation by addressing environment variable handling in example code. Focused on configuration management using YAML, the developer implemented a targeted bug fix that made the KTOR_ENV environment variable optional in the engine-main-custom-environment example. This adjustment allows the example to run seamlessly even when the variable is not set, reducing setup friction for new users and minimizing environment-specific errors. The work demonstrated careful attention to maintainability and traceability, with changes delivered through a single, well-documented commit that improved the overall user experience for contributors and documentation readers.