Database Management
Redis
Subjective
Oct 05, 2025
How do you integrate Redis with Kubernetes orchestration?
Detailed Explanation
Redis on Kubernetes provides scalable, resilient deployments with automated management, persistent storage, and service discovery for containerized applications.\n\n• **Why Redis on Kubernetes?**\nAutomatic scaling, self-healing, rolling updates, persistent storage, service discovery, and consistent deployment across environments.\n\n• **StatefulSet Deployment:**\nEnsures stable network identities, ordered deployment, and persistent storage for Redis instances.\n\napiVersion: apps/v1\nkind: StatefulSet\nmetadata:\n name: redis\nspec:\n serviceName: redis\n replicas: 1\n template:\n spec:\n containers:\n - name: redis\n image: redis:7-alpine\n ports:\n - containerPort: 6379\n volumeMounts:\n - name: redis-data\n mountPath: /data\n\n• **Service Configuration:**\napiVersion: v1\nkind: Service\nmetadata:\n name: redis\nspec:\n selector:\n app: redis\n ports:\n - port: 6379\n type: ClusterIP\n\n• **Redis Operator Benefits:**\nAutomated cluster management, backup scheduling, monitoring integration, and high availability setup.\n\nkubectl apply -f redis-operator.yaml\n\n• **Application Connection:**\nimport redis\nimport os\n\nredis_host = os.getenv("REDIS_SERVICE_HOST", "redis")\nr = redis.Redis(host=redis_host, port=6379)\n\n• **Helm Chart Deployment:**\nhelm install my-redis bitnami/redis \n --set auth.password=mypassword \n --set master.persistence.size=8Gi\n\n• **Best Practices:**\nUse StatefulSets for persistence, implement resource limits, set up monitoring, configure persistent volumes, use Redis Operator for complex deployments, and secure with network policies.
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