Introduction to Docker Containerization


Real Class Example

Introduction to Docker Containerization

This online instructor led training course provides the knowledge and skills to utilize Docker, a package your application and all its dependencies together in the form of containers so to make sure that your application works seamlessly in any environment which can be development or test or production. In this course students will learn key topics including the Docker Engine, Docker Content Trust, Swarm, Dockerfile, troubleshooting, and more.


Jeff Grunewald
Certified Kubernetes Administrator, AWS Certified Cloud Practitioner

Course Information

Skills Learned

After completing this course, students will have a better understanding of:

  • What Docker is and what it’s used for
  • Key Docker concepts, including the Docker Enterprise features, Docker Engine installation, and more
  • How to install, configure, and validate Docker Engine
  • Swarm
  • Docker bridged networks
  • Dockerfile
  • Container vs Service
  • Docker Content Trust

Who Should Attend This Course

This course is intended for professionals who deploy containerized applications, Site Reliability Engineers (SREs), DevOps Engineers, Operations Engineers, and Full Stack Developers.


None, but we recommend that students have some Linux system administration experience.

Course Outline


  • What is containerization
  • What problem does containerization solve
  • How the technology works
  • Who are the different providers
  • What is Docker
  • When should we use Docker
  • Docker Terminology
  • How does Docker work


  • Determining the sizing requirements
  • Docker engine installation
  • Repository setup
  • Storage driver selection
  • Installation troubleshooting
  • Understand namespaces, cgroups, and certificates
  • Image access
  • Upgrading the Docker engine


  • Swarm
  • Managers
  • Adding notes
  • Start on boot
  • Backup configuration
  • Backup schedule
  • Logging drivers


  • Container network model
  • Docker bridged networks
  • Identify IP and port for external access
  • Publishing ports
  • Traffic flow types
  • Types and use cases for the built-in network drivers
  • External DNS configuration
  • Docker overlay network service deployment
  • Docker load balancing HTTP / HTTPS
  • Troubleshooting

Storage and Volumes

  • Object storage vs Block storage
  • OS to graph driver mapping
  • Using volumes for consistent storage
  • Application layers
  • Configuring device mapper
  • Storage Maintenance
  • Cluster node utilization of storage

Image Creation, Management, and Registry

  • Dockerfile components
  • Dockerfile options
  • Dockerfile image creation
  • Applying a file
  • Managing an image


  • Swarm mode cluster creation
  • Container vs Service
  • Application deployment
  • Working with stack services
  • Increasing replicas
  • Adding networks
  • Mounting volumes
  • Node labels
  • Service troubleshooting
  • Docker application communication
  • Quorum in a Swarm
  • Using templates
  • Registry
  • Images


  • Image signing
  • Docker Content Trust
  • UCP and RBAC
  • UCP
  • Security defaults
  • Mutually authenticated TLS (MTLS)
  • Identity roles
  • Using external certificates

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