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dragonfly-operator-system/README.md

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+# Dragonfly Operator
+Dragonfly operator is the preferred way to add Redis support to your application
+as it is modern Go rewrite and it supports high availability.
+
+Following alternatives were considered, but are discouraged:
+
+* Vanilla Redis without replication is unusable during pod reschedule or Kubernetes worker outage
+* Vanilla Redis' replication is clunky and there is no reliable operator for Kubernetes
+  to use vanilla redis
+* KeyDB Cluster was unable to guarantee strong consistency
+
+Note that vanilla Redis
+[has changed it's licensing policy](https://redis.io/blog/redis-adopts-dual-source-available-licensing/)
+
+# For users
+Refer to [official documentation on usage](https://www.dragonflydb.io/docs/getting-started/kubernetes-operator#create-a-dragonfly-instance-with-replicas)
+For example deployment see
+[here](https://git.k-space.ee/k-space/kube/src/branch/master/passmower/dragonfly.yaml).
+To find other instances in this repository use `grep -r "kind: Dragonfly"`
+
+Use storage class `redis` for persistent instances.
+To achieve high availabilllity use 2+ replicas with correctly configured
+`topologySpreadConstraints`.
+
+# For administrators
+See [/argocd/applications/dragonfly.yaml](/argocd/applications/dragonfly.yaml)