Docker: Mastering Modern Containerisation Fundamentals

Getting started with Docker and containers

• Overview of virtualisation solutions.
• Introduction to containers and how they work.
• Introduction to LXC (Linux Containers).
• Comparing Docker benefits with virtual machines.
• The current market position of containerisation technologies.
• Understanding Docker terminology and fundamentals.
• Visualising Docker architecture: daemon, client, images, services and more.
• Overview of Docker modules: Docker Cloud, Docker Compose, Docker Machine, Docker Hub and others.
• Introducing and choosing a Docker version: Docker Desktop and Docker Hub.

Installing Docker and exploring its features

• Installing and configuring Docker Desktop for Windows, Mac and Linux.
• Verifying installation and enabling features and components.
• Overview of the dashboard, container creation and container images.
• Creating isolated containers.
• Understanding the Docker build cycle.
• Introduction to Docker Hub and Docker Store.

IT lab:

• install Docker and prepare the working environment;
• create a container and run basic commands.

Creating and managing custom images and containers

• Creating an image from a container.
• Creating an image using a Dockerfile.
• Using layers and caching.
• Publishing images to a private repository.
• Creating custom containers.
• Starting, stopping and debugging containers.
• Optimising image creation.

IT lab:

• create, manage and share custom images and containers.

Managing storage volumes and data persistence

• Understanding the container life cycle.
• Managing Linux volumes: bind mounts and tmpfs mounts.
• Creating and managing Docker volumes.
• Modifying data in a volume.
• Backing up, migrating and restoring volumes.
• Creating data volume containers.

IT lab:

• apply effective Docker volume management methods.

Docker networking and basic network management

• Running docker network parent commands and subcommands.
• Understanding bridge, host, overlay, none and macvlan networks.
• Configuring Docker DNS.
• Configuring network access through port forwarding.
• Connecting Docker containers.
• Configuring data sharing between containers.
• Installing and configuring network modules.

IT lab:

• create and administer Docker networks.

Introducing and using Docker Compose

• Docker Compose overview and installation.
• Running basic commands.
• Creating a .yml configuration file.
• Implementing a multi-container application.
• Integrating Docker Compose microservices.

IT lab:

• create a Docker Compose project;
• manage multiple related containers.

Orchestrating and creating clusters

• Introduction to and installation of Docker Swarm for container orchestration.
• Worker and manager node operation.
• Configuring Docker Swarm.
• Creating services and clusters.
• Creating nodes and implementing a service.
• Service overview and load balancing.
• Managing sensitive data with Docker secrets.
• Introduction to Kubernetes container orchestration.

IT lab:

• create a multi-node cluster;
• deploy SaaS applications;
• use orchestration features through Docker Machine, Docker Swarm and Docker Compose.

Working with Docker in production

• Production good practices and tools.
• Managing container logs.
• Monitoring containers.
• Establishing a continuous integration system.

IT lab:

• present a Docker workflow from development to production.