Docker - Application Containers
Docker is an application container that allows isolating your program from its host operating system. This, in turn, eases deployment by requiring your program to bundle with all of the dependencies it needs to run (including basic system libraries).
Talks
Development and Deployment with Docker (Chicago.PM 2019)
This talk introduces Docker, explains a little bit about how it works, and walks through some simple usage scenarios including single-container Docker and multiple-container applications with Docker Compose.