dex.yaml

# kubectl create ns auth-system
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: dex
  namespace: auth-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: dex
  namespace: auth-system
rules:
- apiGroups: ["dex.coreos.com"]
  resources: ["*"]
  verbs: ["*"]
- apiGroups: ["apiextensions.k8s.io"]
  resources: ["customresourcedefinitions"]
  verbs: ["create"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: dex
  namespace: auth-system
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: dex
subjects:
- kind: ServiceAccount
  name: dex
  namespace: auth-system
---
apiVersion: apps/v1
kind: Deployment
metadata:
  annotations:
    reloader.stakater.com/auto: "true"
  labels:
    app: dex
  name: dex
  namespace: auth-system
spec:
  replicas: 1
  selector:
    matchLabels:
      app: dex
  strategy:
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 1
    type: RollingUpdate
  template:
    metadata:
      labels:
        app: dex
        revision: "1"
    spec:
      containers:
      - command:
        - /usr/local/bin/dex
        - serve
        - /etc/dex/cfg/config.yaml
        image: ghcr.io/dexidp/dex:v2.30.0
        imagePullPolicy: IfNotPresent
        name: dex
        env:
        - name: KUBERNETES_POD_NAMESPACE
          valueFrom:
            fieldRef:
              fieldPath: metadata.namespace
        ports:
        - containerPort: 5556
          name: http
          protocol: TCP
        terminationMessagePath: /dev/termination-log
        terminationMessagePolicy: File
        volumeMounts:
        - mountPath: /etc/dex/cfg
          name: config
        - mountPath: /etc/dex/tls
          name: tls
        - mountPath: /web/themes/custom/
          name: theme          
      dnsPolicy: ClusterFirst
      serviceAccountName: dex
      restartPolicy: Always
      schedulerName: default-scheduler
      terminationGracePeriodSeconds: 30
      volumes:
      - name: tls
        secret:
          secretName: dex
      - configMap:
          defaultMode: 420
          items:
          - key: config.yaml
            path: config.yaml
          name: dex
        name: config
      - name: theme
        emptyDir: {}     
---
apiVersion: v1
kind: Service
metadata:
  name: dex
  namespace: auth-system
spec:
  selector:
    app: dex
  type: NodePort
  ports:
  - name: dex
    port: 5556
    protocol: TCP
    targetPort: 5556
    nodePort: 32000
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: dex
  namespace: auth-system
  annotations:
    ingress.kubernetes.io/force-ssl-redirect: "true"
    nginx.ingress.kubernetes.io/proxy-body-size: "0"
    nginx.ingress.kubernetes.io/proxy-read-timeout: "600"
    nginx.ingress.kubernetes.io/proxy-send-timeout: "600"
    #cert-manager.io/cluster-issuer: "private-ca"
    cert-manager.io/cluster-issuer: "selfsigned-issuer"    
spec:
  ingressClassName: nginx
  tls:
  - secretName: dex
    hosts:
    - auth.apps.k8s.cloudcafe.tech
  rules:
  - host: auth.apps.k8s.cloudcafe.tech
    http:
      paths:
        - path: /
          pathType: Prefix
          backend:
            service:
              name: dex
              port:
                number: 5556