This course covers all the core features of Docker including container creation and management, interacting with Docker hub, using Dockerfile to create and manage custom images,advanced Docker networking (how to safely expose container services to the world, and link containers), the use of Docker volumes to manage persistent data, and Docker Compose to build multi-container applications.

Emphasis is placed on best practices and how to secure Docker installations and containers. The course culminates with comprehensive labs where students use Docker, Git, and a continuous integration server to automate the testing of containerized applications.

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Proficiency with the Linux CLI

A broad understanding of Linux system administration

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Container Technology Overview

  • Application management landscape
  • Application isolation
  • Resource measurement and control
  • Container security
  • OverlayFS overview
  • Container security
  • Open container initiative
  • Docker alternatives
  • Docker ecosystem

Lab Tasks

  • Container concepts runC
  • Container concepts Systemd

Installing Docker

  • Installing Docker
  • Docker architecture
  • Starting the Docker daemon
  • Docker daemon configuration
  • Docker control socket
  • Enabling TLS for Docker
  • Validating Docker install

Lab Tasks

  • Installing Docker
  • Protecting Docker with TLS

Managing Containers

  • Creating a new container
  • Listing containers
  • Managing container resources
  • Running commands in an existing container
  • Interacting with a running container
  • Stopping, starting, and removing containers
  • Copying files in/out of containers
  • Inspecting and updating containers
  • Docker output filtering and formatting

Lab Tasks

  • Managing containers
  • Configure a Docker container to start at boot

Managing Images

  • Docker images
  • Listing and removing images
  • Searching for images
  • Downloading images
  • Committing changes
  • Uploading images
  • Export/import images
  • Save/load images

Lab Tasks

  • Docker images
  • Docker platform images

Creating Images with Dockerfile

  • Dockerfile
  • Caching
  • Docker image build
  • Dockerfile instructions
  • Running commands
  • Getting files into the image
  • Defining container executable
  • Best practices
  • Multi-stage builds with Dockerfile

Lab Tasks

  • Dockerfile fundamentals
  • Optimizing image build size
  • Image builds and caching

Docker Volumes

  • Volume concepts
  • The Docker volume command
  • Creating and using internal volumes
  • Internal volume drivers
  • Removing volumes
  • Creating and using external volumes
  • SELinux considerations
  • Mapping devices

Lab Tasks

  • Docker internal volumes
  • Docker external volumes

Docker Compose/Swarm

  • Writing YAML files
  • Concepts
  • Compose CLI
  • Defining a service set
  • Docker Engine swarm mode
  • Docker swarm terms
  • Docker swarm command overview
  • Creating a swarm
  • Creating services
  • Creating secrets
  • Stack files
  • Stack command
  • Swarm placements
  • Swarm resource limits and reservations
  • Swarm networking
  • Swarm networking troubleshooting

Lab Tasks

  • Docker Compose
  • Docker Engine swarm mode

Docker Networking

  • Overview
  • Data link layer details
  • Network layer details
  • Hostnames and DNS
  • Service reachability
  • Container to container communication
  • Container to container: links
  • Container to container: private network
  • Managing private networks
  • Remote host to container

Lab Tasks

  • Docker networking
  • Exposing ports

Docker Logging

  • Docker logging
  • Docker logging with json-file and journald
  • Docker logging with syslog
  • Docker logging with Graylog or Logstash
  • Docker logging with Fluentd
  • Docker logging with Amazon or Google
  • Docker logging with Splunk

Lab Tasks

  • Logging to syslog

Appendix A

  • Docker Registry Lab Tasks

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Why choose QA

Dates & Locations

Frequently asked questions

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How can I create an account on myQA.com?

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Find more answers to frequently asked questions in our FAQs: Bookings & Cancellations page.

How do QA’s virtual classroom courses work?

Our virtual classroom courses allow you to access award-winning classroom training, without leaving your home or office. Our learning professionals are specially trained on how to interact with remote attendees and our remote labs ensure all participants can take part in hands-on exercises wherever they are.

We use the WebEx video conferencing platform by Cisco. Before you book, check that you meet the WebEx system requirements and run a test meeting (more details in the link below) to ensure the software is compatible with your firewall settings. If it doesn’t work, try adjusting your settings or contact your IT department about permitting the website.

Learn more about our Virtual Classrooms.

How do QA’s online courses work?

QA online courses, also commonly known as distance learning courses or elearning courses, take the form of interactive software designed for individual learning, but you will also have access to full support from our subject-matter experts for the duration of your course. When you book a QA online learning course you will receive immediate access to it through our e-learning platform and you can start to learn straight away, from any compatible device. Access to the online learning platform is valid for one year from the booking date.

All courses are built around case studies and presented in an engaging format, which includes storytelling elements, video, audio and humour. Every case study is supported by sample documents and a collection of Knowledge Nuggets that provide more in-depth detail on the wider processes.

Learn more about QA’s online courses.

When will I receive my joining instructions?

Joining instructions for QA courses are sent two weeks prior to the course start date, or immediately if the booking is confirmed within this timeframe. For course bookings made via QA but delivered by a third-party supplier, joining instructions are sent to attendees prior to the training course, but timescales vary depending on each supplier’s terms. Read more FAQs.

When will I receive my certificate?

Certificates of Achievement are issued at the end the course, either as a hard copy or via email. Read more here.

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