install kind in alpine

alpine-kind.sh

echo "http://dl-cdn.alpinelinux.org/alpine/latest-stable/community" >> /etc/apk/repositories
apk add docker
service docker start
service docker enable

apk add curl

curl -Lo ./kind https://kind.sigs.k8s.io/dl/v0.17.0/kind-linux-amd64
chmod +x ./kind
mv ./kind /usr/local/bin/kind
kind create cluster

curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
chmod +x kubectl 
mv kubectl /usr/local/bin/



#nfs server
apk add nfs-utils
#edit /etc/exports
#for example: /nfs *(rw)
rc-update add nfs
rc-service nfs start