cluster.yaml

apiVersion: eksctl.io/v1alpha5
kind: ClusterConfig

metadata:
  name: eks1
  region: us-west-2
  version: "1.16"

vpc:
  nat:
    gateway: Single # Saving cost of demo
    #gateway: HighlyAvailable # other options: Disable, Single (default)
  # Custom CIDR
  cidr: 10.10.0.0/16
  autoAllocateIPv6: true

nodeGroups:
  - name: spotng
    instanceType: mixed
    #labels: { role: workers }
    minSize: 2
    desiredCapacity: 2
    maxSize: 5
    ssh:
      allow: true
      publicKeyPath: ~/.ssh/id_rsa.pub
    # Spot-only Instances
    instancesDistribution:
      maxPrice: 0.04
      instanceTypes: ["m5.large", "m5a.large", "m4.large", "t3.large", "t3a.large", "t2.large"] 
      onDemandBaseCapacity: 0
      onDemandPercentageAboveBaseCapacity: 0
      spotInstancePools: 6
    iam:
      withAddonPolicies:
        imageBuilder: true
        autoScaler: true
        externalDNS: true
        certManager: true
        appMesh: true
        ebs: true
        fsx: true
        efs: true
        albIngress: true
        xRay: true
        cloudWatch: true
  #- name: ng-2
  #  instanceType: m5.xlarge
  #  desiredCapacity: 2
  #  ssh:
  #    publicKeyPath: ~/.ssh/ec2_id_rsa.pub
    kubeletExtraConfig:
        kubeReserved:
            cpu: "300m"
            memory: "300Mi"
            ephemeral-storage: "1Gi"
        kubeReservedCgroup: "/kube-reserved"
        systemReserved:
            cpu: "300m"
            memory: "300Mi"
            ephemeral-storage: "1Gi"
        evictionHard:
            memory.available:  "200Mi"
            nodefs.available: "10%"
        featureGates:
            DynamicKubeletConfig: true
            RotateKubeletServerCertificate: true # has to be enabled
cloudWatch:
  clusterLogging:
    enableTypes: ["*"]

### IAM roles for service accounts documented here:
### https://github.com/weaveworks/eksctl/blob/master/examples/13-iamserviceaccounts.yaml

### KMS Secrets Encryption
#secretsEncryption:
#  # ARN of the KMS key
#  keyARN: "arn:aws:kms:us-west-2:000000000000:key/00000000-0000-0000-0000-000000000000"