Worked on the rails/rails repository to enhance infrastructure and CI/CD processes, focusing on deployment stability and performance. Upgraded the Redis image to version 9 and the MySQL image to 8.4, ensuring compatibility with the latest features and reducing service drift. Improved the CI/CD pipeline by updating GitHub Actions cache and artifact upload actions, resulting in faster feedback and more reliable builds. Leveraged skills in CI/CD, configuration management, and containerization, using Ruby and YAML to implement these changes. The work prioritized smoother releases and better alignment with upstream services, contributing to a more robust and maintainable deployment workflow.