Kubernetes Introduction
This guide provides an overview of Kubernetes, the industry-standard container orchestration platform for automating deployment, scaling, and management of containerized applications.
What is Kubernetes?
- Definition: An open-source container orchestration platform
- Purpose: Automates containerized application deployment and management
- Origin: Developed by Google, now maintained by CNCF
Core Concepts
Kubernetes Architecture
- Control Plane: Master node components
- API Server
- etcd
- Scheduler
- Controller Manager
- Worker Nodes: Application workload components
- kubelet
- Container Runtime
- kube-proxy
Basic Objects
- Pods: Smallest deployable units
- Services: Network abstraction for pods
- Deployments: Declarative updates for pods
- ConfigMaps/Secrets: Configuration management
Working with Kubernetes
Basic Operations
- Deployment Management
- Creating deployments
- Scaling applications
- Rolling updates
- Rollbacks
Configuration
- YAML Manifests
- Resource Definitions
- Labels and Selectors
- Namespaces
Advanced Features
Scaling and High Availability
- Horizontal Pod Autoscaling
- Cluster Autoscaling
- Load Balancing
- Self-healing
Storage and Networking
- Persistent Volumes
- Storage Classes
- Network Policies
- Service Types
Best Practices
- Resource Management
- Security Configurations
- Monitoring and Logging
- Backup and Disaster Recovery