intermediate Premium path

Docker Image Engineering

Build small, fast, secure images — layer caching, multi-stage builds, non-root users, and registry publishing.

Skills you’ll gain

Dockerfile structureLayer cachingMulti-stage buildsImage size reductionRegistry publishing

Prerequisites

• Docker Fundamentals path

Course modules

Module 1: Efficient builds

Context, caching, and multi-stage.

📖 Dockerfile structure & build context 12 min
📖 Layer caching & multi-stage builds 16 min
🧪 Lab: Build an Optimized Python Image 40 min

Earn the Docker Image Engineering certificate

Complete every lesson and pass all lab validations to earn a DevOps AI Toolkit completion certificate with a public verification link. Certificates are issued by DevOps AI Toolkit and are not affiliated with Docker, Inc.