🐳 Azure Containers & AKS

Introduction

Azure Kubernetes Service (AKS) provides managed Kubernetes for deploying and managing containerized applications at scale.

Key Learning Outcomes

By the end of this lesson, you'll understand:

• Creating AKS clusters

• Deploying containerized applications

• Managing pods and services

• Scaling and autoscaling

• Monitoring cluster health

• Networking and security

Creating AKS Cluster

# Create resource group
az group create --name myResourceGroup --location eastus

# Create AKS cluster
az aks create \
  --resource-group myResourceGroup \
  --name myAKSCluster \
  --node-count 3 \
  --enable-managed-identity \
  --network-plugin azure

# Get cluster credentials
az aks get-credentials \
  --resource-group myResourceGroup \
  --name myAKSCluster

Deploying Applications

deployment.yaml:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: myapp
spec:
  replicas: 3
  selector:
    matchLabels:
      app: myapp
  template:
    metadata:
      labels:
        app: myapp
    spec:
      containers:
      - name: myapp
        image: myregistry.azurecr.io/myapp:v1
        ports:
        - containerPort: 3000
---
apiVersion: v1
kind: Service
metadata:
  name: myapp-service
spec:
  selector:
    app: myapp
  ports:
  - port: 80
    targetPort: 3000
  type: LoadBalancer

Deploy:

# Deploy application
kubectl apply -f deployment.yaml

# Check pods
kubectl get pods

# Check services
kubectl get svc

Scaling

# Scale deployment
kubectl scale deployment myapp --replicas=5

# Enable autoscaling
kubectl autoscale deployment myapp --min=3 --max=10 --cpu-percent=80

Key Takeaways

• **AKS** provides managed Kubernetes

• **Containers** enable consistent deployments

• **Services** expose applications

• **Autoscaling** handles variable load

• **Monitoring** ensures cluster health

Next Steps

Learn about Static Web Apps for frontend deployment, or explore cost optimization.