What Is Docker and Why It Matters
Understand what Docker is, how it works, and why it became the standard way to package and run applications.
Introduction and Core Concepts
A complete introduction to Docker — what it is, how it evolved, who maintains it, and whether it's the right tool for your team.
History of Docker
How Docker evolved from an internal PaaS tool into the industry standard for containerized application delivery.
Licensing and Governance
What parts of Docker are free, what requires a subscription, and who controls the ecosystem.
Docker Popularity and Industry Adoption
Evaluate Docker's ecosystem strength and where Docker fits best today.