Docker — Ultimate Beginner's Guide (Step by Step)

This post was originally published on Medium . Read it there for the full version.

A from-scratch introduction to Docker — the what, the why, and the how — aimed at complete beginners.

This post was migrated from Medium. The full, original version (with all commands and screenshots) is available at the canonical link above.

The guide walks through images vs. containers, writing your first Dockerfile, and the everyday commands you’ll actually use. Read the full version on Medium for the complete walkthrough.