deployment not working

[GithubShanLe]

if front set securityContext ,front can't running

│ /docker-entrypoint.sh: /docker-entrypoint.d/ is not empty, will attempt to perform configuration
│ /docker-entrypoint.sh: Looking for shell scripts in /docker-entrypoint.d/
│ /docker-entrypoint.sh: Launching /docker-entrypoint.d/10-listen-on-ipv6-by-default.sh
│ 10-listen-on-ipv6-by-default.sh: info: can not modify /etc/nginx/conf.d/default.conf (read-only file system?)
│ /docker-entrypoint.sh: Sourcing /docker-entrypoint.d/15-local-resolvers.envsh
│ /docker-entrypoint.sh: Launching /docker-entrypoint.d/20-envsubst-on-templates.sh
│ /docker-entrypoint.sh: Launching /docker-entrypoint.d/30-tune-worker-processes.sh
│ /docker-entrypoint.sh: Configuration complete; ready for start up
│ 2025/08/13 08:09:23 [emerg] 1#1: bind() to 0.0.0.0:80 failed (13: Permission denied)
│ nginx: [emerg] bind() to 0.0.0.0:80 failed (13: Permission denied)

need delete front containers's securityContext

front containers‘s port is 80 ，is not 8080, so i should modify front containers's and service port to 80

# volcano dashboard deployment
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: volcano-dashboard
  name: volcano-dashboard
  namespace: volcano-system
spec:
  replicas: 1
  selector:
    matchLabels:
      app: volcano-dashboard
  template:
    metadata:
      labels:
        app: volcano-dashboard
    spec:
      securityContext:
        seLinuxOptions:
          level: s0:c123,c456
        seccompProfile:
          type: RuntimeDefault
      serviceAccountName: volcano-dashboard
      containers:
        - image: volcanosh/vc-dashboard-frontend:latest
          imagePullPolicy: Always
          name: frontend
          ports:
            - containerPort: 8080
              name: frontend
              protocol: TCP
          securityContext:
            allowPrivilegeEscalation: false
            capabilities:
              drop:
              - ALL
            runAsNonRoot: true
            runAsUser: 1000
          volumeMounts:
            - mountPath: /var/cache/nginx
              name: nginx-cache
            - mountPath: /run
              name: nginx-run
        - image: volcanosh/vc-dashboard-backend:latest
          imagePullPolicy: Always
          name: backend
          ports:
            - containerPort: 3001
              name: backend
              protocol: TCP
          securityContext:
            allowPrivilegeEscalation: false
            capabilities:
              drop:
              - ALL
            runAsNonRoot: true
            runAsUser: 1000
      volumes:
        - name: nginx-cache
          emptyDir: {}
        - name: nginx-run
          emptyDir: {}
---

# volcano dashboard serviceAccount
apiVersion: v1
kind: ServiceAccount
metadata:
  name: volcano-dashboard
  namespace: volcano-system
---

# volcano dashboard cluster role binding
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: volcano-dashboard-role
  namespace: volcano-system
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: volcano-dashboard
subjects:
  - kind: ServiceAccount
    name: volcano-dashboard
    namespace: volcano-system
---

# volcano dashboard cluster role
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: volcano-dashboard
  namespace: volcano-system
rules:
  - apiGroups:
      - batch.volcano.sh
    resources:
      - jobs
    verbs:
      - get
      - list
      - watch
      - create
      - delete

  - apiGroups:
      - ""
    resources:
      - pods
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - ""
    resources:
      - namespaces
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - scheduling.incubator.k8s.io
      - scheduling.volcano.sh
    resources:
      - queues
    verbs:
      - get
      - list
      - watch
      - delete
      - create
      - update
      - patch 
---

# volcano dashboard service
apiVersion: v1
kind: Service
metadata:
  name: volcano-dashboard
  namespace: volcano-system
spec:
  ports:
    - name: backend
      port: 3001
      protocol: TCP
      targetPort: 3001
    - name: frontend
      port: 80
      protocol: TCP
      targetPort: 8080
  selector:
    app: volcano-dashboard