A Docker container image is a lightweight, standalone, executable package of software that includes everything needed to run an application: code, runtime, system tools, system libraries and settings.

Which entities are included in a Docker container?

Introduction to Docker Container Docker have main components which includes Docker Swarm, Docker Compose, Docker Images, Docker Daemon, Docker Engine. We can manage our infrastructure in the same ways as we manage our applications.

What is a Docker container used for?

A Docker container is an open source software development platform. Its main benefit is to package applications in containers, allowing them to be portable to any system running a Linux or Windows operating system (OS). A Windows machine can run Linux containers by using a virtual machine (VM).