First Complete Working Version

template/redis/redis-config.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+    namespace: ${KUBE_NAMESPACE}  
+    name: redis-config
+data:
+    redis-url: redis-service
+    redis-port: "6379"

template/redis/redis.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+    namespace: ${KUBE_NAMESPACE} 
+    name: redis-deployment
+spec:
+    replicas: 1
+    selector:
+        matchLabels:
+            app: redis
+    template:
+        metadata:
+            labels:
+                app: redis
+        spec:
+            containers:
+                - name: redis
+                  image: bitnami/redis:6.2.16
+                  imagePullPolicy: "IfNotPresent"
+                  resources:
+                    requests:
+                      memory: "256Mi"
+                      cpu: "75m"
+                    limits:
+                      memory: "256Mi"
+                      cpu: "75m"
+                  ports:
+                      - containerPort: 6379
+                  env:
+                      - name: REDIS_PASSWORD
+                        valueFrom:
+                            secretKeyRef:
+                                name: redis-secret
+                                key: redisPassword
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+    namespace: ${KUBE_NAMESPACE}  
+    name: redis-service
+spec:
+    selector:
+        app: redis
+    ports:
+        - port: 6379
+    type: ClusterIP