Docker: Accelerated Container Application Development

Docker is a tool for Container creation and management, and enables Reproducible Builds.
“18 Weird and Wonderful ways I use Docker” on YouTube by NetworkChuck
How Docker Changed Everything
Docker focuses on Getting Started
Docker manages the Docker VS Code Extension, which immediately thrusts the user into Getting Started documentation.

Docker Hub is an Input Marketplace

How Docker implements Platform Mechanisms. Container Images are a representation of the necessary technologies and code libraries necessary to run a program, a piece of software, or an application. To become more Platform-like, Docker created an Input Market, where people can post Images that help others get started with their software.