Explore how Form3 tackles environment promotion challenges using Flux in this insightful conference talk. Discover the limitations of Flux Kustomize overlays for complex multi-cloud workloads and controlled releases between environments. Learn about k8s-promoter, a custom tool developed by Form3's Tooling team to automate workload promotion through pull requests. Gain insights into Form3's commit/deploy flow, their GitOps implementation, and the rationale behind promotion via duplication. Delve into the architecture and design of k8s-promoter, witness a demonstration of the deploy flow, and understand the lessons learned and future improvements planned for the project. Enhance your knowledge of GitOps practices and environment promotion strategies in cloud-native environments.