update on cache autowire injection

provider/partition-aws/src/main/java/org/opengroup/osdu/partition/provider/aws/cache/GroupCache.java

@@ -33,11 +33,11 @@ import java.util.Map;
 
 @Component
 public class GroupCache {
-    @Value("${aws.elasticache.cluster.endpoint:null}")
+    @Value("${aws.elasticache.cluster.endpoint}")
     String REDIS_SEARCH_HOST;
-    @Value("${aws.elasticache.cluster.port:null}")
+    @Value("${aws.elasticache.cluster.port}")
     String REDIS_SEARCH_PORT;
-    @Value("${aws.elasticache.cluster.key:null}")
+    @Value("${aws.elasticache.cluster.key}")
     String REDIS_SEARCH_KEY;
     public ICache<String, Groups> GetGroupCache() throws K8sParameterNotFoundException, JsonProcessingException {
         K8sLocalParameterProvider provider = new K8sLocalParameterProvider();

provider/partition-aws/src/main/resources/application.properties

@@ -45,6 +45,6 @@ server.ssl.key-store-password=${SSL_KEY_STORE_PASSWORD:}
 
 spring.autoconfigure.exclude=org.springframework.boot.autoconfigure.security.SecurityAutoConfiguration
 ## AWS ElastiCache configuration
-aws.elasticache.cluster.endpoint=${CACHE_CLUSTER_ENDPOINT}
-aws.elasticache.cluster.port=${CACHE_CLUSTER_PORT}
-aws.elasticache.cluster.key=${CACHE_CLUSTER_KEY}
+aws.elasticache.cluster.endpoint=${CACHE_CLUSTER_ENDPOINT:null}
+aws.elasticache.cluster.port=${CACHE_CLUSTER_PORT:null}
+aws.elasticache.cluster.key=${CACHE_CLUSTER_KEY:null}
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