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Minimal demo: AWS EKS with ALB

  • Uses the default backend configuration (local file named terraform.tfstate -- this has been .gitignore-d!).
  • AWS authentication requires additional configuration, such as selecting a CLI profile. For more, see https://registry.terraform.io/providers/hashicorp/aws/latest/docs#authentication-and-configuration.
  • This repository can build a minimal EKS cluster with an ALB, and omits as much detail as possible. It does not demonstrate security, best practice, nor least privilege -- be mindful of your observability, public access, and IAM policies!
  • Requires Terraform 1.3 or above.
  • Estimated cost to run (in eu-west-1): 0.2628 $/hr = 6.3 $/day = 189 $/month
    • VPC NAT Gateways (2x): 2*0.048 $/hr = 0.096 $/hr
    • EKS Cluster: $0.10 /hr
    • EKS Node Group (2x t3.small): 2*0.0208 $/hr
    • Application Load Balancer: 0.0252 $/hr
  • To deploy it, run terraform init followed by terraform apply. It takes ~15 minutes to complete.
  • Upon completion, the cluster will run httpbin fronted by an ALB. The ALB hostname is given by the httpbin_ingress_host output value.
  • You might see Warning: "default_secret_name" is no longer applicable for Kubernetes v1.24.0 and above. Although it doesn't apply to this demo, this warning can't be suppressed (see this issue).
  • To tear it down, run terraform destroy.

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