Explore the world of containerization from a system administrator's perspective in this 40-minute Docker session. Learn the fundamentals of containers, their differences from virtual machines, and crucial considerations for deploying containerized workloads. Dive into topics such as infrastructure choices, capacity planning, security measures, and disaster recovery strategies. Gain insights from a real-world MetLife example, discovering the benefits of higher density and improved security. Understand the importance of application secrets and microservices architecture. Follow along with a practical demo on creating a trusted registry and service, and discover how containerization impacts team dynamics and workflows.