# Purchase Reserved Instance via AWS CLI
aws ec2 purchase-reserved-instances-offering \
  --reserved-instances-offering-id ri-1234567890abcdef0 \
  --instance-count 1

# EKS Node Group with Spot Instances
apiVersion: eksctl.io/v1alpha5
kind: ClusterConfig
metadata:
  name: my-cluster
nodeGroups:
  - name: spot-workers
    instanceTypes: ["m5.large", "m5.xlarge"]
    spot: true
    minSize: 2
    maxSize: 10
    desiredCapacity: 3

# Analyze instance utilization
aws cloudwatch get-metric-statistics \
  --namespace AWS/EC2 \
  --metric-name CPUUtilization \
  --dimensions Name=InstanceId,Value=i-1234567890abcdef0 \
  --start-time 2024-01-01T00:00:00Z \
  --end-time 2024-01-31T23:59:59Z \
  --period 3600 \
  --statistics Average

# Auto Scaling Group
apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
  name: web-app-hpa
spec:
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: web-app
  minReplicas: 2
  maxReplicas: 10
  metrics:
  - type: Resource
    resource:
      name: cpu
      target:
        type: Utilization
        averageUtilization: 70

{
  "Rules": [
    {
      "Id": "MoveOldFiles",
      "Status": "Enabled",
      "Transitions": [
        {
          "Days": 30,
          "StorageClass": "STANDARD_IA"
        },
        {
          "Days": 90,
          "StorageClass": "GLACIER"
        },
        {
          "Days": 365,
          "StorageClass": "DEEP_ARCHIVE"
        }
      ]
    }
  ]
}

# Create RDS Reserved Instance
aws rds purchase-reserved-db-instances-offering \
  --reserved-db-instances-offering-id 12345678-1234-1234-1234-123456789012 \
  --db-instance-count 1

# Tag resources
aws ec2 create-tags \
  --resources i-1234567890abcdef0 \
  --tags Key=Project,Value=WebApp Key=Environment,Value=Production

# Create cost anomaly monitor
aws ce create-anomaly-monitor \
  --anomaly-monitor-name "MonthlySpendingMonitor" \
  --monitor-type DIMENSIONAL \
  --monitor-dimension SERVICE

# Create budget
aws budgets create-budget \
  --account-id 123456789012 \
  --budget file://budget.json \
  --notifications-with-subscribers file://notifications.json

{
  "BudgetName": "MonthlyCostBudget",
  "BudgetLimit": {
    "Amount": "1000",
    "Unit": "USD"
  },
  "TimeUnit": "MONTHLY",
  "BudgetType": "COST"
}