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Containers have revolutionized the IT world and it can be hard to know where to start. In this course, Docker Captain Nigel Poulton guides you through the basics all the way to proficiency.

You'll learn why we have containers and how they work. You’ll run through the basics like images, the Docker engine, and containers. With the basics out of the way, you'll then containerize an application and learn how to run it. Throughout the course, Nigel will demystify all the jargon and buzzwords. When you're done, you'll be ready to use Docker in the real world.

The Beginners Guide to Docker

## Overview
Addressing images from official repositories is as simple as providing the repository name and the tag separated by a colon (`:`). The format for `docker image pull` when working with an image from an official repository is:

`$ docker image pull <repository>:<tag>`

In the Linux examples from earlier, we pulled an Alpine and a Redis image with the following two commands:

`$ docker image pull alpine:latest` and `docker image pull redis:latest`

These two commands pull the images tagged as "latest" from the top-level "alpine" and "redis" repositories.


The following examples show how to pull various different images from official repositories:

# Overview
Addressing images from official repositories is as simple as providing the repository name and the tag separated by a colon (`:`). The format for `docker image pull` when working with an image from an official repository is:

`$ docker image pull <repository>:<tag>`

In the Linux examples from earlier, we pulled an Alpine and a Redis image with the following two commands:

`$ docker image pull alpine:latest` and `docker image pull redis:latest`

These two commands pull the images tagged as "latest" from the top-level "alpine" and "redis" repositories.


The following examples show how to pull various different images from official repositories:

# Overview
Addressing images from official repositories is as simple as providing the repository name and the tag separated by a colon (`:`). The format for `docker image pull` when working with an image from an official repository is:

`＄ docker image pull <repository>:<tag>`

In the Linux examples from earlier, we pulled an Alpine and a Redis image with the following two commands:

`＄ docker image pull alpine:latest` and `docker image pull redis:latest`

These two commands pull the images tagged as "latest" from the top-level "alpine" and "redis" repositories.


The following examples show how to pull various different images from official repositories:

About the Course

Containers From 30,000 Feet

Docker

The Big Picture

The Docker Engine

Images

Containers

Containerizing an Application

Conclusion

Installing Docker

Image Naming and Tagging

Overview