apiVersion: apps/v1
kind: Deployment
metadata:
  name: clickhouse
  labels:
    component: clickhouse
spec:
  replicas: 1
  strategy:
    type: Recreate
  selector:
    matchLabels:
      component: clickhouse
  template:
    metadata:
      labels:
        component: clickhouse
    spec:
      securityContext:
        seccompProfile:
          type: RuntimeDefault
      containers:
      - name: clickhouse
        image: clickhouse/clickhouse-server:24.12-alpine
        ports:
        - name: http
          containerPort: 8123
          protocol: TCP
        - name: native
          containerPort: 9000
          protocol: TCP
        env:
        - name: CLICKHOUSE_SKIP_USER_SETUP
          value: "1"
        volumeMounts:
        - name: clickhouse-data
          mountPath: /var/lib/clickhouse
        - name: clickhouse-config
          mountPath: /etc/clickhouse-server/config.d/logs.xml
          subPath: logs.xml
          readOnly: true
        - name: clickhouse-config
          mountPath: /etc/clickhouse-server/config.d/ipv4-only.xml
          subPath: ipv4-only.xml
          readOnly: true
        - name: clickhouse-config
          mountPath: /etc/clickhouse-server/config.d/low-resources.xml
          subPath: low-resources.xml
          readOnly: true
        - name: clickhouse-users-config
          mountPath: /etc/clickhouse-server/users.d/default-profile-low-resources-overrides.xml
          subPath: default-profile-low-resources-overrides.xml
          readOnly: true
        readinessProbe:
          httpGet:
            path: /ping
            port: 8123
          initialDelaySeconds: 10
          periodSeconds: 10
          timeoutSeconds: 5
          failureThreshold: 3
        livenessProbe:
          httpGet:
            path: /ping
            port: 8123
          initialDelaySeconds: 30
          periodSeconds: 20
          timeoutSeconds: 5
          failureThreshold: 3
        resources:
          limits:
            cpu: "2"
            memory: 2Gi
            ephemeral-storage: 1Gi
          requests:
            cpu: 100m
            memory: 512Mi
            ephemeral-storage: 50Mi
        securityContext:
          readOnlyRootFilesystem: false
      volumes:
      - name: clickhouse-data
        persistentVolumeClaim:
          claimName: clickhouse-data
      - name: clickhouse-config
        configMap:
          name: clickhouse-config
      - name: clickhouse-users-config
        configMap:
          name: clickhouse-config
      restartPolicy: Always