What Are Containers and Docker? - A Comprehensive Overview

Explore the fundamentals of containers and Docker in this comprehensive video tutorial. Delve into the challenges of traditional deployment methods, compare virtual machines to containers, and gain a thorough understanding of container technology. Learn about the essential components of containers, including cgroups for resource control, namespaces for visibility, and union filesystems. Examine container runtimes, with a focus on ContainerD and RunC, and discover Docker's role in the container ecosystem. Through detailed explanations and visual aids, master the core concepts of containerization and its impact on modern application deployment and management.

- Introduction
- Challenges without containers
- Virtual machines
- Changes to needs
- Container overview
- What containers need?
- Environment overview
- Controlling resource - cgroups
- Visibility - namespaces
- Filesystems - union filesystem
- Container runtimes
- ContainerD
- RunC
- Docker
- Summary