# Simple Redis deployment for conversation storage
# For production, consider using:
# - Redis Operator (e.g., Redis Enterprise Operator)
# - Managed Redis (AWS ElastiCache, GCP Memorystore, Azure Cache for Redis)
# - Redis Cluster for high availability

apiVersion: v1
kind: ConfigMap
metadata:
  name: redis-config
  namespace: llm-gateway
  labels:
    app: redis
data:
  redis.conf: |
    maxmemory 256mb
    maxmemory-policy allkeys-lru
    save ""
    appendonly no
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: redis
  namespace: llm-gateway
  labels:
    app: redis
spec:
  serviceName: redis
  replicas: 1
  selector:
    matchLabels:
      app: redis
  template:
    metadata:
      labels:
        app: redis
    spec:
      securityContext:
        runAsNonRoot: true
        runAsUser: 999
        fsGroup: 999
        seccompProfile:
          type: RuntimeDefault

      containers:
      - name: redis
        image: redis:7.2-alpine
        imagePullPolicy: IfNotPresent

        command:
        - redis-server
        - /etc/redis/redis.conf

        ports:
        - name: redis
          containerPort: 6379
          protocol: TCP

        resources:
          requests:
            cpu: 100m
            memory: 128Mi
          limits:
            cpu: 500m
            memory: 512Mi

        livenessProbe:
          tcpSocket:
            port: redis
          initialDelaySeconds: 10
          periodSeconds: 10
          timeoutSeconds: 5
          failureThreshold: 3

        readinessProbe:
          exec:
            command:
            - redis-cli
            - ping
          initialDelaySeconds: 5
          periodSeconds: 5
          timeoutSeconds: 3
          failureThreshold: 3

        volumeMounts:
        - name: config
          mountPath: /etc/redis
        - name: data
          mountPath: /data

        securityContext:
          allowPrivilegeEscalation: false
          readOnlyRootFilesystem: true
          runAsNonRoot: true
          runAsUser: 999
          capabilities:
            drop:
            - ALL

      volumes:
      - name: config
        configMap:
          name: redis-config

  volumeClaimTemplates:
  - metadata:
      name: data
    spec:
      accessModes: ["ReadWriteOnce"]
      resources:
        requests:
          storage: 10Gi
---
apiVersion: v1
kind: Service
metadata:
  name: redis
  namespace: llm-gateway
  labels:
    app: redis
spec:
  type: ClusterIP
  clusterIP: None
  selector:
    app: redis
  ports:
  - name: redis
    port: 6379
    targetPort: redis
    protocol: TCP