Docker & Kubernetes: The Complete Practical Guide from Udemy

What's inside

Learning objectives

How to use docker images and create containers
Manage docker containers: start, stop, prune, restart
Enable port mapping and expose container ports to outside
Run node and python applications using docker containers

Create environment variables for docker containers
Use volumes mapping and use specific working directories in the docker containers
Create custom bridge networks and run multiple containers
Communicate between containers by container name in the custom bridge network

How to use docker images and create containers
Manage docker containers: start, stop, prune, restart
Enable port mapping and expose container ports to outside
Run node and python applications using docker containers
Create environment variables for docker containers
Use volumes mapping and use specific working directories in the docker containers
Create custom bridge networks and run multiple containers
Communicate between containers by container name in the custom bridge network

Syllabus

Introduction

Course introduction

Let's get connected! Join the Learning Community

All course files are available in the GitHub repository

IMPORTANT Course Structure

Docker Installation

CHAPTER 1 - Installing Docker Desktop on Mac

Installing Docker Desktop on Windows

Installing Docker Engine on Linux

Basic Docker Containers (Ubuntu, Busybox, Alpine)

Running hello-world container

Running Ubuntu container

Running Busybox container

Alpine vs Busybox images

Port and Volume Mapping in the Docker Containers

Running Nginx with exposed port

Nginx container with custom content

Adding favicon to the project

WINDOWS: using path variable

Using path variable in volume mapping

Docker Containers Management (Ubuntu, NGINX)

Running containers in background

Running container with Pseudo TTY

Creating multiple Ubuntu containers from the same image

Running multiple Nginx servers

Cleaning up stopped containers

Running Python Applications in Docker

Creating Python containers

Simple Python program

CHALLENGE Simple Python calendar app

CHALLENGE SOLUTION Simple Python calendar app

Running Node.js Applications in Docker

Running Node.js container

Hello world application with Node

Express web server using Node

Add handling of the SIGINT and SIGTERM signals

CHALLENGE Create files handling Node app

CHALLENGE SOLUTION Create files handling Node app

Conclusion - containers can create and modify external files

Running MongoDB Containers

Pulling Mongo image and creating first Mongo container

Starting additional processes in the running container

What is entrypoint and where is it located

Creating new Mongo database using Mongo shell

Running Mongo container with persistent database

Communication between Containers and Environment Variables (MySQL, phpMyAdmin)

Starting Wordpress container

Plan for the next lectures - networks and environment variables

Default bridge network and communication between containers

Exploring environment variables

Starting MySQL container with env variable

Launching another phpMyAdmin container

Connecting phpMyAdmin to MySQL container

Making notes of the commands

Default and Custom Bridge Networks in Docker (Wordpress, MySQL)

Communication using hostnames in the default bridge network

Inspecting default bridge network

Creating new custom bridge network

Creating busybox containers in the custom network

Using custom persistent names for connectivity in the custom network

MySQL and phpMyAdmin in the custom network

CHALLENGE Wordpress with MySQL and phpMyAdmin

CHALLENGE SOLUTION Wordpress with MySQL and phpMyAdmin - PART 1

CHALLENGE SOLUTION Wordpress with MySQL and phpMyAdmin - PART 2

Summary for the Wordpress and MySQL setup

Additional Containers - Elasticsearch, Redis, Httpd

Getting docker image with curl utility

CHALLENGE Run Elasticsearch and curl containers in the custom network

CHALLENGE SOLUTION Run Elasticsearch and curl containers in the custom network

Inserting documents into Elasticsearch index

Starting Redis container

CHALLENGE Redis and Redis-commander

CHALLENGE SOLUTION Redis and Redis-commander

Launching httpd container

CHAPTER 2 - Docker on Practice Summary and Intro to the Docker Fundamentals

Docker Fundamentals Practical section summary

Introduction to the Docker Fundamentals Chapter

What is Docker and Docker Components

Virtual Machines vs Docker Containers

Virtual Machines Architecture

How I use Virtual Machines

My computer just ran out of memory

Docker Containers Architecture

How Docker is running on different Operating Systems

Container Processes and Resources

Docker Components Overview

Docker Client

Docker Server

Docker Host

Docker Image

Docker Container

Docker Repository

Docker Registry

Docker Components Summary

Introduction to the Images and Containers

Docker Commands vs Management Commands

Alternative Commands

Basic Container and Images commands

Cleaning up my Docker setup

Pulling images from the Docker Hub

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Develops practical Docker and Kubernetes skills through hands-on practice, making it ideal for learners who prefer applied learning

Taught by Bogdan Stashchuk, a seasoned Software Engineer, MBA, and PhD holder, with expertise in Docker and Kubernetes

Provides a thorough foundation in Docker and Kubernetes, covering essential concepts, features, and best practices

Covers a range of practical use cases, demonstrating how to create and manage containers for various applications, including Node.js, Python, Wordpress, MongoDB, MySQL, and Redis

Emphasizes practice over theory, with 90% of the course dedicated to hands-on activities, ensuring learners develop practical skills

Requires learners to have a basic understanding of Docker and Kubernetes concepts, making it more suitable for intermediate learners

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Docker & Kubernetes: The Complete Practical Guide with these activities:

Review Docker Concepts

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Refreshes your understanding of fundamental Docker concepts, ensuring a solid foundation for the course.

Browse courses on Docker

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Revisit the key concepts of Docker, such as images, containers, and networks.
Review the basics of Docker commands and operations.

Build a Docker Resource Collection

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Helps you organize and expand your knowledge by creating a curated collection of Docker-related resources, such as documentation, tutorials, and community forums.

Browse courses on Docker

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Identify relevant Docker resources from various sources.
Create a central location to store and organize the resources.
Annotate the resources with brief descriptions and categorize them based on topic.

Explore Docker Documentation

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Provides a solid foundation by guiding you through the official Docker documentation, helping you grasp the core concepts and best practices.

Browse courses on Docker

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Navigate to the Docker Documentation website.
Review the sections on Docker fundamentals, images, containers, and networking.
Explore specific topics of interest, such as container management or troubleshooting.

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Host a Docker Study Group

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Enhances your learning by fostering collaboration and discussion with peers, leading to a deeper understanding of Docker concepts.

Browse courses on Docker

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Gather a group of interested individuals.
Choose a topic or project to focus on.
Meet regularly to discuss the topic, share knowledge, and work on projects together.

Attend a Docker Meetup or Workshop

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Provides an opportunity for hands-on learning and networking with other Docker enthusiasts, fostering a deeper understanding of the technology.

Browse courses on Docker

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Find a local Docker meetup or workshop.
Register for the event and attend.
Participate in discussions and hands-on activities.

Practice Running Docker Containers

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Help you develop proficiency in running Docker containers, enhancing your comprehension of their fundamental operations.

Browse courses on Docker

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Create a basic Ubuntu container and run it in the foreground.
Run a container with a specific process and connect to it using the Terminal.
Expose an internal container port to the outside world and access it.
Add an environment variable to a container and verify its value.

Exercise Using Custom Docker Networks

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Deepens your understanding of network management in Docker by guiding you through the creation and configuration of custom networks.

Browse courses on Docker

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Create a custom bridge network and launch multiple containers within it.
Establish communication between containers using their custom hostnames.
Configure persistent names for containers to ensure consistent communication.
Set up a MySQL container and connect it to a phpMyAdmin container within the same custom network.

Develop a Dockerized Web Application

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Solidifies your understanding of Docker by challenging you to create a real-world application using Docker containers.

Browse courses on Docker

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Design the web application and its components.
Create Dockerfiles for the application and its dependencies.
Build and run the Docker containers for the application.
Test the application and troubleshoot any issues.

Career center

Learners who complete Docker & Kubernetes: The Complete Practical Guide will develop knowledge and skills that may be useful to these careers:

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Docker & Kubernetes

The Complete Practical Guide

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