https://kubernetes.io/docs/tasks/tools/install-kubectl/
https://skaffold.dev/docs/install/
https://cloud.google.com/sdk/docs/quickstart-macos?hl=zh-tw
gcloud container clusters get-credentials ${CLUSTER_NAME} --zone ${ZONE_NAME} --project ${PROJECT_NAME}
commit變動並且加上版本號
git add .
git commit -m "Update for v?.?.?"
git tag v?.?.?
build image並輸出image資訊
skaffold build --file-output deploy/v?.?.?.json
進行deploy
skaffold deploy -a deploy/v?.?.?.json