K8s Playground

Install https://microk8s.io/

Docs: https://microk8s.io/docs/

2. Setup aliases

# Alias
sudo snap alias microk8s.kubectl kubectl
sudo snap alias microk8s.helm helm

3. Enable K8s addons

microk8s.enable knative dashboard helm registry storage ingress
microk8s.helm init
microk8s.status

Build docker image

docker build -t k8-simple-golang:1.0 .
# test it
docker run -p 8000:8000 k8-simple-golang:1.0

Import locally build image into K8s registry

# Export image from local registry
docker save k8-simple-golang > k8-simple-golang.tar
# Import image
microk8s.ctr image import k8-simple-golang.tar
# List all images
microk8s.ctr images ls

Apply configs

kubectl apply -f name.yaml

K8s CodeSheet

https://kubernetes.io/de/docs/reference/kubectl/cheatsheet/

Experiments

• Run nginx and route to two different HTTP services: One service is replicated with a factor of 3. https://dev.to/ishankhare07/deploy-a-golang-api-on-kubernetes-with-nginx-ingress-33k6. It will touch following resources and tools:
  • Deployment
  • Service
  • Ingress
  • Helm

Links

• https://cloud.google.com/blog/products/gcp/kubernetes-best-practices-resource-requests-and-limits