K8S config: nginx +web dav with pvc, configmap, env

configmap.yaml

apiVersion: v1
data:
  dav.conf: |
    location /upload {
      alias     upload/data;
      client_body_temp_path  upload/client_tmp;

      dav_methods  PUT DELETE MKCOL COPY MOVE;

      client_max_body_size 1500m;

      create_full_put_path   on;
      dav_access             group:rw  all:r;
    }
kind: ConfigMap
metadata:
  creationTimestamp: null
  name: dav

default.conf

# k create cm upload-file --from-file=default.conf

# curl -T file.mp3 http://localhost/upload

server {
    listen       80 default_server;
    listen  [::]:80;
    server_name  localhost ;

location /upload {
         root   /usr/share/nginx/html;
        #alias     upload/data;
  client_body_temp_path  /usr/share/nginx/html/upload/client_tmp;

  dav_methods  PUT DELETE MKCOL COPY MOVE;

  client_max_body_size 128m;

  create_full_put_path   on;
  dav_access             group:rw  all:r;
}
}

nginx-with-pvc-cm.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  creationTimestamp: null
  labels:
    app: nginx-with-pvc
  name: nginx-with-pvc
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx-with-pvc
  strategy: {}
  template:
    metadata:
      creationTimestamp: null
      labels:
        app: nginx-with-pvc
    spec:
      containers:
        - image: nginx:latest
          name: nginx
          #command: ["sleep", "3600"]
          ports:
            - containerPort: 80
              name: "http-server"
          env:
            - name: ENV_1
              values: "val1"
          resources: {}
          volumeMounts:
            - mountPath: "/usr/share/nginx/html"
              name: wolumenik

            - name: upload
              mountPath: "/etc/nginx/conf.d/default.conf"
              subPath: "default.conf"
      initContainers:
        - name: create-dir
          image: busybox:1.31.1
          command: ["sh", "-c", "mkdir -pv /usr/share/nginx/html/upload/client_tmp && chown -Rv 101.101 /usr/share/nginx/html/*"]
          volumeMounts:
            - mountPath: "/usr/share/nginx/html"
              name: wolumenik

      volumes:
        - name: wolumenik
          #emptyDir: {}
          persistentVolumeClaim:
            claimName: nginx-pvc
        - name: upload
          configMap:
            name: upload-file
status: {}
---
apiVersion: v1
kind: Service
metadata:
  name: nginx-with-pvc
spec:
  type: ClusterIP
  selector:
    app: nginx-with-pvc
  ports:
    - port: 80

pvc.yaml

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  labels:
    component: "nginx-test-with-pvc"
  name: nginx-pvc
spec:
  accessModes:
    # ReadWriteOnce -- the volume can be mounted as read-write by a single node
    # ReadOnlyMany -- the volume can be mounted read-only by many nodes
    # ReadWriteMany -- the volume can be mounted as read-write by many nodes
    - ReadWriteOnce
  # storageClassName: "temporary-class"
  resources:
    requests:
      storage: "128Mi"