apiVersion: apps/v1
kind: Deployment
metadata:
  name: oauth2-proxy
spec:
  replicas: 1
  revisionHistoryLimit: 5
  progressDeadlineSeconds: 600
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 25%
      maxUnavailable: 0
  selector:
    matchLabels:
      app.kubernetes.io/name: oauth2-proxy
      app.kubernetes.io/instance: oauth2-proxy
  template:
    metadata:
      labels:
        app.kubernetes.io/name: oauth2-proxy
        app.kubernetes.io/instance: oauth2-proxy
    spec:
      serviceAccountName: oauth2-proxy-sa
      automountServiceAccountToken: false
      terminationGracePeriodSeconds: 30
      topologySpreadConstraints:
        - maxSkew: 1
          topologyKey: kubernetes.io/hostname
          whenUnsatisfiable: ScheduleAnyway
          labelSelector:
            matchLabels:
              app.kubernetes.io/name: oauth2-proxy
              app.kubernetes.io/instance: oauth2-proxy
      securityContext:
        runAsNonRoot: true
        runAsUser: 65532
        runAsGroup: 65532
        fsGroup: 65532
        fsGroupChangePolicy: OnRootMismatch
        seccompProfile:
          type: RuntimeDefault
      containers:
        - name: oauth2-proxy
          image: quay.io/oauth2-proxy/oauth2-proxy:v7.15.2
          imagePullPolicy: IfNotPresent
          args:
            - --config=/etc/oauth2-proxy/oauth2-proxy.cfg
          ports:
            - name: http
              containerPort: 4180
              protocol: TCP
            - name: metrics
              containerPort: 44180
              protocol: TCP
          resources:
            requests:
              cpu: 100m
              memory: 128Mi
            limits:
              memory: 256Mi
          startupProbe:
            httpGet:
              path: /ping
              port: http
            periodSeconds: 5
            failureThreshold: 12
            timeoutSeconds: 3
          readinessProbe:
            httpGet:
              path: /ready
              port: http
            periodSeconds: 10
            failureThreshold: 3
            timeoutSeconds: 3
          livenessProbe:
            httpGet:
              path: /ping
              port: http
            periodSeconds: 15
            failureThreshold: 3
            timeoutSeconds: 3
          securityContext:
            runAsNonRoot: true
            runAsUser: 65532
            runAsGroup: 65532
            allowPrivilegeEscalation: false
            privileged: false
            readOnlyRootFilesystem: true
            capabilities:
              drop:
                - ALL
            seccompProfile:
              type: RuntimeDefault
          volumeMounts:
            - name: config
              mountPath: /etc/oauth2-proxy
              readOnly: true
            - name: secrets
              mountPath: /etc/oauth2-proxy-secrets
              readOnly: true
            - name: tmp
              mountPath: /tmp
      volumes:
        - name: config
          configMap:
            name: oauth2-proxy-config
        - name: secrets
          secret:
            secretName: oauth2-proxy-secrets
            defaultMode: 0400
        - name: tmp
          emptyDir:
            medium: Memory
            sizeLimit: 64Mi