K8S Infrastructure at Medium

Last updated Feb 26, 2023

• K8s
• Infrastructure

Source: https://medium.engineering/kubernetes-infrastructure-at-medium-d9e2444932ef

• Not reinvent the wheel
• scaling
• bin-packing
• self-healing
• rollout
• rollbacks

• production infrastructure is spread across four AZs in four unique k8s clusters.
• the ability to ship traffic across AZs when needed via some in-house tooling.
• Gradual rollout of infrastructure changes across production
• choose Istio as the service mesh.\

• Terraform
• https://github.com/deliveryhero/helm-charts/tree/master/stable/cluster-overprovisioner and pod preemption