Learning Paths / Learn Docker

docker
beginner
5h estimated

Learn Docker

Containerize applications: images, containers, Dockerfiles, volumes, networking, and Docker Compose.

Start learning →

Core Concepts

  1. 1

    Introduction

    What Docker is, why containers matter, and how to run your first container

  2. 2

    Images and Containers

    The difference between images and containers and how to manage both

Building Images

  1. 1

    Dockerfile

    How to define a custom image with a Dockerfile and build it

  2. 2

    Best Practices

    Practical habits for smaller, faster, and more secure Docker images

Running Services

  1. 1

    Volumes

    How to persist data beyond the container lifecycle using volumes and mounts

  2. 2

    Networking

    How containers communicate with each other and the outside world

  3. 3

    Docker Compose

    Define and run multi-container applications with a single YAML file