Docker and Kubernetes Training Overview
This Docker and Kubernetes training course teaches students how to create and deploy applications using Docker to create containers and Kubernetes to manage and deploy those containers.
Location and Pricing
Accelebrate offers instructor-led enterprise training for groups of 3 or more online or at your site. Most Accelebrate classes can be flexibly scheduled for your group, including delivery in half-day segments across a week or set of weeks. To receive a customized proposal and price quote for private corporate training on-site or online, please contact us.
In addition, some courses are available as live, instructor-led training from one of our partners.
Objectives
- Understand the basics of Docker and Kubernetes
- Create and manage Docker images
- Deploy Docker containers
- Use Kubernetes to orchestrate containerized applications
- Troubleshoot Docker and Kubernetes problems
Prerequisites
All students must be somewhat familiar with Linux and have basic programming skills.
Outline
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Introduction
What is Docker?
- Where Can I Run Docker?
- Installing Docker Container Engine
- Docker Machine
- Docker Engine Architecture
- runC
- Containerd
- Docker as Platform-as-a-Service (PaaS)
- Docker and Cloud
- Docker Services
- Docker Application Container Public Repository
- Various Containers
- Docker Command Line Interface (CLI)
- Starting, Inspecting, and Stopping Docker Containers
- Docker Port Publishing
- Docker Volume
- Dockerfile
- Docker Compose
- Using docker compose
- Dissecting docker-compose.yml
- Specifying services
- Dependencies between containers
- Injecting Environment Variables
What is Kubernetes?
- What is a Container?
- Containers: Uses, Pros, Cons
- Composition of a Container
- Control Groups
- Namespaces
- Union Filesystems
- Microservices Concepts
- Microservices and Containers / Clusters
- Microservices and Orchestration
- Microservices and Infrastructure-as-Code
- Kubernetes Container Networking
- Kubernetes Networking
Kubernetes – From the Firehose
- What is Kubernetes?
- Container Orchestration
- Kubernetes Architecture
- Kubernetes Concepts
- Cluster and Namespace
- Node
- Master/Controller
- Pod
- Label
- Annotation
- Label Selector
- Replication Controller and Replica Set
- Service and Service types (ClusterIP, NodePort, LoadBalancer etc)
- Ingress
- Persistent Volume Claims(PVC), Persistent Volumes (PV) & Storage Classes
- Secret
- ConfigMaps
- Custom Resource Definitions (CRDs)
- Operators
- Resource Quota
- Authentication and Authorization e.g., RBAC (Role-Based Access Control)
- Routing Concepts
- Registries
- Using Docker Registry
Kubernetes Workload
- What is a Kubernetes Workload?
- Managing Workloads
- Imperative commands
- Imperative Object Configuration
- Declarative Object Configuration
- Configuration File Schema
- Understanding API Version
- Obtaining API Versions
- Stateless Applications
- Sample Deployment Manifest File
- Working with Deployments
- Stateful Applications
- Sample Stateful Manifest File
- Working with StatefulSet
- Jobs/CronJob/BatchJob
- Sample Job Manifest File
- DaemonSets
- Sample Daemon Manifest File
- Rolling Updates
Scheduling and Node Management
- The Kubernetes Scheduler
- The Scheduling Process
- The Kubernetes Scheduling Algorithm
- Scheduling Conflicts
- Controlling Scheduling
- Node Affinity and Anti-affinity
- Taints and Tolerations
- Predicates and Priorities
Logging, Monitoring, and Troubleshooting
- Differences Between Logging and Monitoring
- Basic Logging
- Logging Agents
- Fluentd/Fluentbit and Elastic Stack
- Monitoring with Prometheus
- Kubernetes and Prometheus - Metrics
- Alerting
- Debugging Pods
- Debugging Nodes
- Debugging Replication Controllers and Services
- Upgrading Kubernetes
- The Upgrade Process
- Determine Which Version to Upgrade To
- Upgrade kubeadm
- Upgrade Control Plane Node
- Upgrade kubelet and kubectl
- Upgrade Worker Nodes
- Recovering From a Failure State
Conclusion
Training Materials
All Docker with Kubernetes training attendees receive comprehensive courseware.
Software Requirements
A complete remote environment is included for each student with the class. You will need Internet access, a modern web browser, and an SSH client to access the environment.
