The Essential Guide to Containerization with Docker

Introduction: What is Containerization?

Containerization packages application code along with all its dependencies, libraries, and configurations into a single container. Docker is the industry standard for containerized development.

Core Docker Concepts

Docker Image

A read-only blueprint containing instructions to build a container environment.

Docker Container

A running instance of a Docker Image. Containers run isolated from the host machine operating system.

Docker Compose

A tool for defining and running multi-container Docker applications using a simple YAML configuration file.