Introduction to Docker Course (How To)

Why Docker?

Docker bundles your app together with all the libraries and services it depends on into a package called a container, which can then be delivered as a single unit wherever it needs to go. In this stage, we'll look at how this powerful new paradigm can help you deliver software more easily.

• Why this Course?

  3:15

• Building an Image and Running a Container

  4:05

• What is Docker?

  6:14

• Why Should You Use Docker?

  3:50

• What is Docker?

  4 questions

Fundamentals of Docker

In this stage, we'll take a closer look at how Docker works.

• Virtual Machines versus Containers

  5:25

• Building Blocks of Docker

  2:56

• Docker Networking

  9:59

• Building Blocks of Docker

  7 questions

Building Images Using Dockerfiles

Docker looks for a Dockerfile for instructions on how it should build an image. In this stage, we're going to learn about all the instructions you can include in a Dockerfile so that your image is configured just the way you want it.

• Building Images Using Dockerfiles

  5:31

• The FROM Instruction

  0:55

• RUN Instructions

  1:46

• The ENTRYPOINT and CMD Instructions

  3:12

• WORKDIR, COPY, and ADD Instructions

  3:53

• EXPOSE Instructions

  0:51

• ENV Instructions

  3:12

• USER Instructions

  4:00

• Dockerfiles

  7 questions

Managing Images and Containers

Now that you know the basics of creating Docker images and containers, it probably won't be long before you build up a substantial collection. Let's look at some features Docker has provided to help you manage your images and containers.

• Managing Images

  1:57

• Managing Containers

  7:36

• Docker Registries

  4:01

• Docker Commands

  6 questions

Dockerizing a Web App

In this final stage, we'll take everything we've learned so far and Dockerize this simple Node.js web app.

• Configuring the App

  4:05

• Building the Image and Running the Container

  3:10

• Next Steps

  1:29

• Course Review

  8 questions