CKA Prep: Part 3 – Workloads & Scheduling

Fri, 04 Apr 2025 00:00:00 +0000

Kubernetes Workload Resources

Kubernetes provides several workload resources to manage containerized applications. Understanding these resources is crucial for the CKA exam.

Deployments

A Deployment provides declarative updates for Pods and ReplicaSets.

yaml
apiVersion: apps/v1
kind: Deployment
metadata:
 name: nginx-deployment
spec:
 replicas: 3
 selector:
 matchLabels:
 app: nginx
 strategy:
 type: RollingUpdate
 rollingUpdate:
 maxSurge: 1
 maxUnavailable: 1
 template:
 metadata:
 labels:
 app: nginx
 spec:
 containers:
 - name: nginx
 image: nginx:1.21
 ports:
 - containerPort: 80
 resources:
 requests:
 memory: "64Mi"
 cpu: "250m"
 limits:
 memory: "128Mi"
 cpu: "500m"

Key Features:

Workloads on Support Tools

CKA Prep: Part 3 – Workloads & Scheduling

Kubernetes Workload Resources

Deployments