Emmanuel Feller focused on improving deployment reliability for the 1024pix/pix repository by addressing instability in the Redis stack. During February 2025, he identified issues introduced by upgrading Redis to version 7.2.7 and implemented a targeted rollback to version 7.2.5 across all Docker Compose configurations. This work required careful dependency management using Docker and YAML, ensuring that the rollback was clearly documented and communicated through version control. Although no new features were added, Emmanuel’s efforts restored system stability and reduced production risk, demonstrating a methodical approach to DevOps problem-solving and a strong understanding of deployment workflows and rollback strategies.