Update default redis to v7 (#46)

Update the default redis to v7.2.4

.github/workflows/ci.yaml

@@ -50,6 +50,7 @@ jobs:
         kubernetes:
           - 1.21.14
           - 1.22.17
+          - 1.23.17
           - 1.24.16
           - 1.25.12
           - 1.26.7

CHANGELOG.md

@@ -16,6 +16,7 @@ Also check this project's [releases](https://github.com/powerhome/redis-operator
 ### Changed
 
 - Add default haproxy image #47
+- Update the default redis version to 7.2.4 #46
 - Update metrics exporter images  #45
 
 ## [v2.0.2] - 2024-02-13

api/redisfailover/v1/defaults.go

@@ -5,7 +5,7 @@ const (
 	defaultSentinelNumber        = 3
 	defaultSentinelExporterImage = "leominov/redis_sentinel_exporter:1.7.1"
 	defaultExporterImage         = "quay.io/oliver006/redis_exporter:v1.57.0"
-	defaultImage                 = "redis:6.2.6-alpine"
+	defaultImage                 = "redis:7.2.4-alpine"
 	defaultHAProxyImage          = "haproxy:2.4"
 	defaultRedisPort             = 6379
 )

docs/README.md

@@ -8,9 +8,9 @@ Redis Operator creates/configures/manages redis-failovers atop Kubernetes.
 ## Requirements
 
 Kubernetes version: 1.21 or higher
-Redis version: 6 or higher
+Redis version: 7 or higher
 
-Redis operator is being tested against kubernetes 1.25 1.26 1.27 and redis 6
+Redis operator is being tested against kubernetes 1.21, 1.22, 1.23, 1.24, 1.25 1.26 1.27 and redis 7
 All dependencies have been vendored, so there's no need to any additional download.
 
 ## Operator deployment on Kubernetes