Kubernetes for Backend Engineers — Pods, Scaling, Networking and Production
Kubernetes has a reputation for being complicated, and some of that is deserved…
Tag
#kubernetes
19 posts
Scaling on Kubernetes
A team moved their working single-GPU LLM service onto Kubernetes for…
Storage and StatefulSets
So far, everything has assumed pods are disposable: lose one, get an identical…
Probes and Self-Healing
Kubernetes self-heals, it restarts crashed containers and replaces pods on dead…
ConfigMaps and Secrets
A classic mistake: a team bakes the database URL and the API key straight into…
Security, Ops + Capstone
Everything so far gets your app running on Kubernetes. This final lesson is…
Deployments and Rolling Updates
The Deployment is the object you’ll create more than any other. It’s how you run…
Autoscaling
One of Kubernetes’s biggest draws is automatic scaling: handle a traffic spike…
The Cluster: Control Plane and Nodes
In the last lesson, the control loop was abstract: “controllers watch and…
Services, kube-proxy and Ingress
Pods are ephemeral. They’re created and destroyed constantly, by rolling updates…
The Scheduler
When you create a pod, something has to decide which machine it runs on. That’s…
Requests, Limits and QoS
Two of the most consequential numbers in a Kubernetes manifest are and , and…
What Kubernetes Actually Is
When I teach Kubernetes, I don’t start with or YAML. I start with one sentence…
Pods: the Smallest Unit
Beginners often expect the basic unit of Kubernetes to be the container. It isn…
Consensus With Raft
I once watched a team spend two months building “a simple leader election” for…
Kubernetes - How to Solve Gateway Timeout with Http Statuscode Error 504
Introduction You have a running kubernetes setup, and have a webservice (exposed…
Set a Default Kubernetes Namespace So You Stop Repeating --namespace
Introduction In some of the cases, we need to specify namespace name along with…
Kubernetes - How to Configure Docker Repository to Pull Image and Configure Secret
Introduction In most of cases, you are not pulling images from docker hub public…
How to configure Grafana (Free version) with oAuth Okta, with SSL on Kubernetes
Introduction In our previous post How to configure Grafana on docker, we saw how…