nodegroup-spot.yaml

# EKS Managed Node Group with SPOT instances in eu-central-1
# References the IAM Role from iam-node-role.yaml (nodeRoleArnRef). Replace subnetIds; clusterNameRef must match Cluster.
# Apply after the Cluster is READY.
apiVersion: eks.aws.upbound.io/v1beta1
kind: NodeGroup
metadata:
  name: my-eks-spot-nodegroup
spec:
  forProvider:
    region: eu-central-1
    # Must match the Cluster metadata.name
    clusterNameRef:
      name: my-eks-cluster
    # Reference to the IAM Role created by iam-node-role.yaml (Role is in crossplane-system)
    nodeRoleArnRef:
      name: eks-node-role
      namespace: crossplane-system
    subnetIds:
      - subnet-xxxxxxxxxxxxxxxxx
      - subnet-yyyyyyyyyyyyyyyyy
    # Spot instances
    capacityType: SPOT
    # Multiple instance types recommended for Spot (diversity = fewer interruptions)
    instanceTypes:
      - t3.medium
      - t3a.medium
    scalingConfig:
      minSize: 1
      maxSize: 5
      desiredSize: 2
  # providerConfigRef optional (default ClusterProviderConfig used if omitted)