April 2025 monthly summary for Yelp/paasta: Delivered a set of features that enhance configuration management and deployment flexibility, strengthened test coverage, and aligned configuration naming with updated conventions. The work reduced manual steps, improved deployment reliability, and equipped the team with robust tooling for scalable environments. Key features delivered include credentials loading from a file, directory mounting core functionality (including support for spark.conf), and mounting a volume using spark.conf. In addition, the month expanded test coverage for mounting behavior, introduced default arguments to simplify API usage, and improved test reliability around sudo-enabled executions. The combined changes establish a solid foundation for secure, repeatable deployments and smoother on-call incident handling.