Managing Containers with Docker


Managing Containers with Docker

Authors: Nigel Poulton, Wes Higbee, Nigel Brown, David Clinton, Elton Stoneman

Containers represent a higher-density kind of "virtualization" that can meet the needs of certain scenarios better than traditional hypervisors. Here you'll learn... Read more

What you will learn

  • What are containers?
  • What is Docker?
  • Container registries
  • Container orchestration
  • Core Docker technologies
  • Docker swarm clustering


No experience is necessary. According to the Docker website, you don't need to be experienced using a command line, but you should be familiar with how to open one and type commands.


Get the basics of containers and Docker under your belt.

Docker and Kubernetes: The Big Picture

by Nigel Poulton

Feb 13, 2019 / 1h 46m

1h 46m

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Docker and Kubernetes are changing the way you build, ship, and manage your applications. In this course, Docker and Kubernetes: The Big Picture, you will learn the fundamentals of Docker and Kubernetes. First, you will learn the basics of what a container is and how it enables cloud-native application designs. Next, you will explore the roles of Docker and Kubernetes, as well as the basics of how they work. Finally, you will discover how to prepare yourself and your organization to thrive in a container world. When you are finished with the course, you will have everything you need to take your container journey to the next level.

Table of contents
  1. Course Overview
  2. Course Introduction
  3. Containers: Primer
  4. Docker
  5. Kubernetes
  6. Preparing to Thrive in a Container World
  7. Suitable Workloads
  8. Enterprise and Production Readiness
  9. A Word on Orchestration
  10. What Next?

Getting Started with Docker

by Nigel Poulton

Aug 1, 2016 / 2h 12m

2h 12m

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There have been some major changes to Docker that were introduced with Docker 1.12, and this course, Getting Started with Docker, will help get you up to speed. You'll start with installing Docker on the most common development and production platforms - Windows and Mac laptops, Windows Server 2016, and Linux. Next, you'll get to see some fundamental concepts of containers and images, including how to perform common management tasks. You'll also spend a good deal of time covering all the new stuff introduced with Docker 1.12, including Swarm mode, services, scaling, rolling updates, stacks, and distributed application bundles. After this course, you'll be up and running with some of the game-changing improvements announced with Docker 1.12 and have a solid understanding of the fundamentals of Docker.

Table of contents
  1. Course Overview
  2. Course Introduction
  3. Installing Docker
  4. Working with Containers
  5. Swarm Mode and Microservices
  6. What Next!

Getting Started with Docker Swarm Mode

by Wes Higbee

Mar 31, 2017 / 6h 10m

6h 10m

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The docker engine on a single node revolutionized how we run applications. But in production environments, you need more capacity and reliability than a single node can offer. In this course, Getting Started with Docker Swarm Mode, you'll learn how to control a cluster of nodes as easily as a managing a single node. First, you'll discover how to set up a swarm, add nodes, and launch services that describe containers. Next, you'll explore how to route traffic to the cluster and within the cluster, ensure containers recover from failures. Then, you'll learn how to roll out updates and deploy multi application stacks. Finally, you'll cover how to leverage integrated health checking and protect sensitive information with secrets. By the time you're done with this course, you'll have the knowledge to deploy your own swarm.

Table of contents
  1. Course Overview
  2. Why Multiple Container Hosts?
  3. Creating a Swarm and Running a Service
  4. Adding Nodes
  5. Ingress Routing and Publishing Ports
  6. Reconciling a Desired State
  7. Rolling Updates
  8. Container to Container Networking
  9. Deploying with Stacks
  10. Health Checking
  11. Protecting Secrets

Securing the Docker Platform

by Nigel Brown

Jun 21, 2018 / 4h 6m

4h 6m

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Docker containers are in widespread use as the distribution vehicle for cloud native application services. An important enabler in the process of building, packaging, and running those containers is the Docker platform, which is comprised of several parts. In this course, Securing the Docker Platform, you'll learn about the fundamental aspects of security that relate to the platform components. First, you'll gain a better understanding of the platform components involved and the means of measuring compliance against an industry benchmark standard. Next, you'll discover how to configure the Docker daemon for best practice security, as well as for more flexible access control and authentication. Finally, you'll explore how to apply security controls to other aspects of the platform including a self-hosted Docker registry and a Swarm cluster. By the end of this course, you'll have the necessary knowledge to configure, measure, and optimize effective Docker platform security.

Table of contents
  1. Course Overview
  2. Establishing a Baseline for Docker Platform Security
  3. Optimizing the Configuration of the Docker Host
  4. Configuring the Docker Daemon for Security
  5. Enhancing Access Control to the Docker Platform
  6. Deploying a Secure Docker Registry
  7. Managing Security in a Docker Swarm Cluster
  8. Wrapping Up

Getting Started with Docker on Windows

by Wes Higbee

Dec 13, 2016 / 5h 40m

5h 40m

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Docker simplifies running software, and now with the release of Windows containers, you can run just about any software with a consistent set of commands thanks to Docker. In this course, Getting Started with Docker on Windows, you'll learn how to use containers in Windows environments, both Linux and Windows containers. You'll see how to use Docker for Windows on workstations and how to use the Docker Engine in server environments. Along the way, you'll see how containers simplify finding, downloading, installing, starting, stopping, and uninstalling software. You'll also see how container isolation provides security and simplicity. You will learn how to build your own images and how to run command line apps, web servers, databases, and other apps in containers. Finally, you'll learn how to easily orchestrate complex applications with docker-compose. By the time you're done with this course, you'll know how to use Docker to simplify software management.

Table of contents
  1. Course Overview
  2. What Is a Container?
  3. Installing Docker for Windows
  4. Installing Docker on Windows Server
  5. Running Command Line Apps in Containers
  6. Building Images to Host Web Sites
  7. Running Databases in Containers
  8. Composing Applications with docker-compose


Firm up your Docker and container skills to production level.

Docker Networking

by Nigel Poulton

Feb 8, 2017 / 1h 49m

1h 49m

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Docker is the new platform for developing and hosting modern applications. In this course, Docker Networking, you will learn everything you need to know about deploying and managing Docker networks. First, you'll learn about the Container Network Model (CNM) and Libnetwork, which are the foundation of all Docker networks. Next, you will delve into building and managing single-host and multi-host networks. Finally, you will learn how to build container networks that integrate with existing VLANs and application networks. When you are finished with this course, you'll have the skills and knowledge needed to start deploying and managing Docker networks within your organization.

Table of contents
  1. Course Overview
  2. docker-networking-m1
  3. docker-networking-m2
  4. Network Services

Implementing a Self-hosted Docker Registry

by Wes Higbee

Jun 5, 2018 / 4h 8m

4h 8m

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What would Docker be without Docker Hub? If it were not for images, you would never have heard of Docker, and that's because simplifying image distribution is what made Docker exponentially useful. Initially the images on Docker Hub suffice, but at some point, as you begin to build your own images, you'll outgrow storing them on Docker Hub for a variety of reasons.

In this course, Implementing a Self-hosted Docker Registry, we will dissect deploying your own registry in the following scenarios.

First, you will learn to take total control of a registry, perhaps as a matter of compliance, and learn to distribute sensitive images privately.
Next, you will see how to co-locate a registry for performance reasons, to save bandwidth, or to mirror Docker Hub images to a local registry cache.
Then, you will explore the internal workings of a registry and gain flexibility in securing your registry.
Finally, you will be able to standardize application packaging and distribution within your organization using Docker images, to reap the same benefits that Docker Hub brought to open-source public applications.

By the end of this course, you'll be well prepared to deploy your own self-hosted registry.

Table of contents
  1. Course Overview
  2. Deploying Your First Registry to Distribute Images
  3. Registry Mirroring with a Pull-through Cache
  4. Automating Builds with Notifications
  5. Cleaning up Images and Configuring Storage
  6. Securing the Registry
  7. Preparing a Production Cluster Registry

Securing Docker Container Workloads

by Nigel Brown

Jan 22, 2018 / 3h 13m

3h 13m

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Packaging, distributing, and running software applications in containers is no longer a pastime just for early adopters. Containers are mainstream, and with that comes a concern about the security and integrity of containers as an application delivery mechanism. In this course, Securing Docker Container Workloads, you'll learn how to secure your application workloads from the perspective of the container itself. First, you'll learn about the Linux security mechanisms that go together to create the abstract concept of the container, and how they work together to ensure that containers are good neighbors. Next, you'll explore the privileges that are available to container workloads, and how you can adopt and apply the principle of least privilege to reduce the risk of privilege escalation. Finally, you'll see how to minimize the attack surface available from within a container by limiting the access it has to the kernel and other system objects. By the end of this course, you'll be equipped with the knowledge and techniques necessary for securing your Docker container workloads.

Table of contents
  1. Course Overview
  2. Isolating Container Workloads with Linux Namespaces
  3. Controlling Access to Resources Using Control Groups
  4. Managing the Privileges Available to a Container Workload
  5. Limiting the System Calls Available to Container Workloads
  6. Implementing Access Control for Container Workloads

Managing Docker Images

by David Clinton

Feb 23, 2017 / 1h 6m

1h 6m

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At the core of successfully running Docker container deployments is a thorough knowledge of the creation and administration of Docker images. In this course, Managing Docker Images, you'll explore image creation and administration best practices. First, you'll explore all the main image management options currently available. Next, you'll discover how to build, store, and share images through Docker Hub and Docker Cloud. Finally, you'll learn how to host a private image repository using Docker Registry. When you’re finished with this course, you'll have a foundational knowledge of installing, running, and securing Docker images that will help you as you move forward towards managing entire Docker container clusters.

Table of contents
  1. Course Overview
  2. Introduction to Docker Images
  3. Managing Images Using Docker Hub
  4. Installing a Private (And Free) Docker Registry
  5. Securing Your Images in Transit
  6. Other Image Managing Tools

Managing Load Balancing and Scale in Docker Swarm Mode Clusters

by Elton Stoneman

Mar 23, 2018 / 1h 58m

1h 58m

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Docker swarm mode is a production-grade container orchestrator with built-in features for load-balancing and scaling your applications. In this course, Managing Load Balancing and Scale in Docker Swarm Mode Clusters, you'll learn how to deploy and manage applications in swarm mode for high availability, high performance, and easy scale. First, you'll learn how load balancing and service discovery works in swarm mode. Then you'll learn how to scale your services and your swarm - with Linux and Windows nodes. Finally, you'll learn how to run multiple applications and maximize the use of your cluster, and how swarm mode supports production maintenance and deployment. When you’re finished with this course, you will have the skills and knowledge to run performance reliable apps in production with Docker swarm mode.

Table of contents
  1. Course Overview
  2. Understanding Load Balancing and Service Discovery
  3. Scaling Services and Nodes in Swarm Mode
  4. Managing Request Routing and Data Storage
  5. Supporting Production Maintenance and Deployments

Docker Deep Dive

by Nigel Poulton

Jan 4, 2018 / 4h 35m

4h 35m

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Containers are one of the hottest topics in IT, and it’s hard to know where to start. In this course, Docker Deep Dive, you'll go from zero-to-Docker by learning everything you need to know to take your career to the next level and give you the confidence to start working with containers. First, you’ll explore the basics of what containers are and the foundational technologies that make them possible on Linux and Windows. Then, you’ll discover the core concepts of images and containers – how to build, manage, and work with them. Finally, you’ll dive into orchestration and some of the enterprise features that are now available. When you’re finished with this course, you'll be prepared for most of the topics presented on the Docker Certified Associate exam, and be ready to work with containers.

Table of contents
  1. Course Overview
  2. Course Intro
  3. Installing Docker
  4. Architecture and Theory
  5. Working with Images
  6. Containerizing an App
  7. Working with Containers
  8. Building a Secure Swarm
  9. Container Networking
  10. Working with Volumes and Persistent Data
  11. Working with Secrets
  12. Deploying in Production with Stacks and Services
  13. Enterprise Tooling
  14. What Next


Containers are as much about software as about operations, and these courses help you understand the application driven needs and concerns.

Containerizing a Software Application with Docker

by Nigel Brown

Aug 25, 2017 / 2h 20m

2h 20m

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With the advent of the microservices architecture pattern and enabling technologies such as containers, the way applications are being architected and delivered is changing. Packaging software applications into read-only template images in order to derive immutable application containers, is a key ingredient in this approach, and Docker is at the forefront. In this course, Containerizing a Software Application with Docker, you'll learn how to package a software application into a Docker image. First, you'll explore the nature of Docker images, and their relationship with containers. Next, you'll master how to create Docker images, including authoring a Docker image for a real software application using a Dockerfile. Finally, you'll discover how to name and share Docker images with a wider audience. By the end of this course, you'll have gained the required knowledge of techniques and best practice to get started with containerizing your own software applications.

Table of contents
  1. Course Overview
  2. The Purpose of Docker Images
  3. Committing Containers to Images
  4. Building Docker Images
  5. Authoring Docker Images with Dockerfiles
  6. Authoring a Nginx Docker Image
  7. Tagging and Pushing Docker Images

Monitoring Containerized Application Health with Docker

by Elton Stoneman

Aug 8, 2018 / 2h 43m

2h 43m

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It's easy to run new and old applications in Docker, but you can't put containerized apps into production without monitoring. In this course, Monitoring Containerized Application Health with Docker, you'll learn how to implement effective monitoring for Linux and Windows containers. First, you'll learn how to gather and visualize metrics from containers using Prometheus and Grafana. Next, you'll see how to add metrics to your application, and export metrics from the Java and .NET runtimes and from the Docker platform. Finally, you'll explore how to build an effective dashboard with a single view over the health of your whole application. When you're finished with this course, you'll be ready to add monitoring to your application and move confidently to production.

Table of contents
  1. Course Overview
  2. Architecting Monitoring for Containerized Applications
  3. Collecting Metrics with Prometheus
  4. Exposing Runtime Metrics to Prometheus
  5. Exposing Application Metrics to Prometheus
  6. Exposing Docker Metrics to Prometheus
  7. Building Dashboards with Grafana

Handling Data and Stateful Applications in Docker

by Elton Stoneman

Jan 17, 2019 / 2h 14m

2h 14m

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Docker containers run your apps in lightweight units on cloud or on-prem, but how does data work inside containers? In this course, Handling Data and Stateful Applications in Docker, you will gain the understanding of how to manage application data in containers which can run anywhere. First, you will learn how Docker builds the container filesystem and how you can persist data outside of the container lifecycle. Next, you will discover Docker volumes, and the ability to use shared storage with volume plugins. Finally, you will explore how Docker itself uses data, and how you can make the best use of your storage by optimizing Docker images. When you are finished with this course, you will have the skills and knowledge of Docker storage that you need to run stateful applications in containers.

Table of contents
  1. Course Overview
  2. Understanding Storage in Docker Images, Containers, and Volumes
  3. Deploying Stateful Applications for High Availability with Docker Volumes
  4. Using Volume Plugins for Scaling Dynamic Stateful Applications
  5. Managing Storage on Docker Servers and Registries
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