Explore data persistence techniques in Docker environments through this conference talk. Learn how to reconcile the long-term storage needs of data with the ephemeral nature of Docker containers. Examine various approaches to data persistence, starting with fundamental principles and requirements. Discover different techniques suitable for various scenarios and witness practical demonstrations of these solutions in action. Gain insights into running databases in Docker, managing data refreshes, scaling access, ensuring disaster safety, and implementing security measures. Delve into topics such as document databases, Database as a Service, self-healing systems, and schema changes. Understand the challenges and benefits of keeping everything within Docker containers and explore concepts like data deduplication.