export kubernetes yaml (https://stackoverflow.com/questions/43941772/get-yaml-for-deployed-kubernetes-services)

export.sh

#!/usr/bin/env bash

set -exuf -o pipefail

for namespace in $(kubectl get -o name ns | grep -v namespace/kube- | sed 's/namespace\///')
do
    for resource in $(kubectl get -o=name pvc,configmap,serviceaccount,secret,ingress,service,deployment,statefulset,hpa,job,cronjob --namespace "$namespace")
    do
        mkdir -p "$namespace/$(dirname "$resource")"
        kubectl neat get -- -o=yaml --namespace "$namespace" "$resource" > "$namespace/$resource.yaml"
    done
done