Note of JCConf 2019 / Spring to Kubernetes Easier and Faster / Ray Tsang

[Jian-Min-Huang]

• https://www.youtube.com/watch?v=YHNbcT2c5rY&list=PLEhSHDVBMPO0tEGPkIflgf1Cmvo4fsXrV

• Don't start with Kubernetes

  • means you porting from or to anywhere

• 12factor.net

• Test local, mock, Testcontainers

• choose 8u192 or above, oh damn it

  • -Xmx -Xms --memory --cpus Runtime.getAvailableProcessor() all wrong

• Cloud Foundry Buildpack Memory Calculator

• Native Memory Tracking

• saturnism.me/talk/docker-tips-and-tricks

• jib is better than Dockerfile copy

  • don't use root in your container

• don't write to container filesystem

  • k3s.io

• kubectl create deployment demo-app --image=gcr.io/xxx/jib-demo --dry-run -oyaml > k8s/deployment.yaml

• kubectl create service clusterip demo-app --tcp=8088:8080 --dry-run -oyaml > k8s/service.yml

• kubectl apply -f k8s/

• kubectl port-forward src/demo-app 8080:8080

• skaffold

  • plugin for intellij cloud code

• Liveness & Readiness Probe

  • different port for Readiness Probe

• Graceful Shutdown

  • springboot-graceful-shutdown