This podcast episode explores the use of Kubernetes for running Postgres databases, with a focus on the StackGres distribution. The episode covers topics such as the benefits of running databases on Kubernetes, the role of operators in managing databases, the use of snapshots for backups, the Operator Feature Matrix for choosing Kubernetes operators, the importance of Postgres extensions, and the development of a dynamic container registry. The conversation also touches on the analogy between physics and Kubernetes, the concept of promise theory, the importance of API machinery in understanding Kubernetes YAML, and the unique role of the SIG API machinery in maintaining Kubernetes.