Docker

Images, containers, volumes, networks and Compose, step by step.

  1. 1

    Images vs Containers

    Beginner

    Understand the core Docker concepts and run your first container.

  2. 2

    Building Images with a Dockerfile

    Intermediate

    Write a Dockerfile and build a custom image.

  3. 3

    Volumes & Persistent Data

    Intermediate

    Keep data alive beyond a container's lifecycle with volumes and mounts.

  4. 4

    Container Networking

    Intermediate

    Connect containers and expose ports to the host.

  5. 5

    Docker Compose

    Advanced

    Define and run multi-container apps with a single YAML file.

  6. 6

    Inspecting & Debugging Containers

    Intermediate

    Look inside running containers with logs, exec, and inspect.

  7. 7

    Cleaning Up Disk Space

    Intermediate

    Reclaim space by pruning unused images, containers, and volumes.