username

password

In this course, you’ll learn about containers, creating images, containerizing applications, and effectively deploying Docker in real-world scenarios.

Nigel Poulton - Docker Deep Dive- Part 1.png

test2.tar.gz

run_web_app

dockergit-copy

DockerfileUpdateNewVersion

DockerfileUpdateNewVersion_ReflectChanges

Containerisation_the Application  

User_testing

DDD_2

Containers have revolutionized the IT world, making it difficult to know where to begin. This course will take you from basics to proficiency step by step.
You’ll start by learning the basics of containers and how they work. Then, you’ll explore key concepts like images and the Docker engine. With the basics out of the way, you’ll learn how to containerize and run an application. After completing this course, you’ll be ready to use Docker in the real world.

Docker Guide for Beginners

```shell
docker run python:3.7.9-alpine3.11 python3 
print("Hello world")
```

```shell
docker run -it python:3.7.9-alpine3.11 python3 
print("Hello world")
```

```shell
docker run python:3.7.9-alpine3.11 python3 "Hello world"
```

```shell
docker run -it python:3.7.9-alpine3.11 python3 "Hello world" 
```

Which command will print the `Hello world` in an interactive Python shell?


Which command will print the <code>Hello world</code> in an interactive Python shell?

Containers only contain application code and a minimal set of OS-related constructs, making them smaller than VMs.

Containers are faster than VMs because they have their own optimized separate operating system.

Containers share the host’s OS, allowing them to start faster than VMs.

Containers require fewer system resources since they don’t need a full operating system like VMs.

**(Select all that apply.)** Why are containers faster than VMs?

(Select all that apply.) Why are containers faster than VMs?

Suppose you attach your terminal to a running container using the `docker container exec` command, and then exit it using the `exit` command. Will the container be stopped? 

Suppose you attach your terminal to a running container using the <code>docker container exec</code> command, and then exit it using the <code>exit</code> command. Will the container be stopped?

**(Select all that apply.)** Which restart policy is offered by Docker?

(Select all that apply.) Which restart policy is offered by Docker?

Which flag will connect your shell prompt to the terminal of a container?

Which flag will connect your shell prompt to the terminal of a container?

Which key sequence lets you exit a running container without killing the main process and terminating the container?

Which key sequence lets you exit a running container without killing the main process and terminating the container?

Which command will start a new container mapping port `9000` on the Docker host to port `80` on the container?

Which command will start a new container mapping port <code>9000</code> on the Docker host to port <code>80</code> on the container?

Test your knowledge of Docker containers.

About the Course

An Overview of Containers

Docker and Container-Related Standards and Projects

The Big Picture

The Docker Engine

Working with Images

Working with Containers

Containerizing an Application

Conclusion

Appendix: Getting Docker

Quiz: Containers