docker edgeでkubernetesお試し

docker edge for macでkubernetesお試し

• docker edge for macインストール
  https://store.docker.com/editions/community/docker-ce-desktop-mac
  起動して設定からkubernetes有効にする

• kubernetes dashboard起動

$ wget https://raw.githubusercontent.com/kubernetes/dashboard/master/src/deploy/recommended/kubernetes-dashboard.yaml
$ kubectl apply -f kubernetes-dashboard.yaml --record
$ kubectl proxy --address 0.0.0.0 --accept-hosts '.*' &
$ open http://localhost:8001/

• komposeインストール

$ brew install kompose

• docker-compose.yml変換

$ cat docker-compose.yml
version: '3'
services:
  app:
    image: nginx
    ports:
     - 8000:80

$ kompose convert
INFO Kubernetes file "app-service.yaml" created
INFO Kubernetes file "app-deployment.yaml" created

• service.yamlのspecにtype追加
  • Ingress通すならNodePortになるのかも

$ vim 
+  type: LoadBalancer

• kubernetesにデプロイ

$ kompose up

• service起動

$ kubectl apply -f app-service.yaml --record

• 疎通確認

$ kubectl describe svc app
$ open localhost:31874