apiVersion: apps/v1
kind: Deployment
metadata:
  name: auth-server
  labels:
    app.kubernetes.io/name: auth-server
    app.kubernetes.io/instance: auth-server
    app.kubernetes.io/version: "0.1.0"
    app.kubernetes.io/component: api
    app.kubernetes.io/part-of: auth-platform
    app.kubernetes.io/managed-by: kustomize
spec:
  replicas: 1
  revisionHistoryLimit: 5
  progressDeadlineSeconds: 600
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 25%
      maxUnavailable: 0
  selector:
    matchLabels:
      app.kubernetes.io/name: auth-server
      app.kubernetes.io/instance: auth-server
  template:
    metadata:
      labels:
        app.kubernetes.io/name: auth-server
        app.kubernetes.io/instance: auth-server
        app.kubernetes.io/version: "0.1.0"
        app.kubernetes.io/component: api
        app.kubernetes.io/part-of: auth-platform
        app.kubernetes.io/managed-by: kustomize
    spec:
      serviceAccountName: auth-server-sa
      automountServiceAccountToken: false
      terminationGracePeriodSeconds: 45
      topologySpreadConstraints:
        - maxSkew: 1
          topologyKey: kubernetes.io/hostname
          whenUnsatisfiable: ScheduleAnyway
          labelSelector:
            matchLabels:
              app.kubernetes.io/name: auth-server
              app.kubernetes.io/instance: auth-server
      securityContext:
        runAsNonRoot: true
        runAsUser: 10001
        runAsGroup: 10001
        fsGroup: 10001
        fsGroupChangePolicy: OnRootMismatch
        seccompProfile:
          type: RuntimeDefault
      containers:
        - name: auth-server
          image: registry.example.com/auth-platform/auth-server:0.1.0
          imagePullPolicy: IfNotPresent
          ports:
            - name: http
              containerPort: 8080
              protocol: TCP
            - name: metrics
              containerPort: 8081
              protocol: TCP
          envFrom:
            - configMapRef:
                name: auth-server-config
            - secretRef:
                name: auth-server-db
          env:
            - name: JAVA_TOOL_OPTIONS
              value: "-XX:MaxRAMPercentage=75 -XX:+ExitOnOutOfMemoryError"
            - name: SPRING_CONFIG_IMPORT
              value: "optional:configtree:/etc/secrets/"
          resources:
            requests:
              cpu: 250m
              memory: 512Mi
            limits:
              memory: 768Mi
          startupProbe:
            httpGet:
              path: /actuator/health/liveness
              port: metrics
            periodSeconds: 5
            failureThreshold: 24
            timeoutSeconds: 3
          readinessProbe:
            httpGet:
              path: /actuator/health/readiness
              port: metrics
            periodSeconds: 5
            failureThreshold: 3
            timeoutSeconds: 2
          livenessProbe:
            httpGet:
              path: /actuator/health/liveness
              port: metrics
            periodSeconds: 15
            failureThreshold: 3
            timeoutSeconds: 3
          securityContext:
            runAsNonRoot: true
            runAsUser: 10001
            runAsGroup: 10001
            allowPrivilegeEscalation: false
            privileged: false
            readOnlyRootFilesystem: true
            capabilities:
              drop:
                - ALL
            seccompProfile:
              type: RuntimeDefault
          volumeMounts:
            - name: db-creds
              mountPath: /etc/secrets
              readOnly: true
            - name: tmp
              mountPath: /tmp
      volumes:
        - name: db-creds
          secret:
            secretName: auth-server-db
            defaultMode: 0400
        - name: tmp
          emptyDir:
            medium: Memory
            sizeLimit: 128Mi