Worked on the chef/chef repository to enhance the robustness of the apt_repository resource, focusing on reducing deployment misconfigurations and improving key management. Addressed a bug by ensuring the signed-by attribute is only set when a GPG key is present, preventing potential errors in production environments. Improved the key import process by switching from gpg --dearmor to gpg --import, streamlining URL-based PGP key retrieval and increasing reliability during automated provisioning. Leveraged skills in Chef, Ruby development, and system administration to deliver targeted changes that simplify configuration management and reduce support overhead across diverse deployment scenarios within DevOps workflows.