fix from cr

Signed-off-by: Attila Mészáros <a_meszaros@apple.com>

Author: csviri

sample-operators/operations/src/main/java/io/javaoperatorsdk/operator/sample/operations/OperationsSampleOperator.java

@@ -56,6 +56,8 @@
 public class OperationsSampleOperator {
 
   private static final Logger log = LoggerFactory.getLogger(OperationsSampleOperator.class);
+  public static final String JOSDK_CONFIG_CONFIG_YAML = "/config/config.yaml";
+  public static final String CONFIG_PATH_ENV_VAR = "CONFIG_PATH";
 
   /**
    * Based on env variables a different flavor of Reconciler is used, showcasing how the same logic
@@ -66,7 +68,7 @@ public static void main(String[] args) throws Exception {
 
     var configProviders = new ArrayList<ConfigProvider>();
     configProviders.add(new EnvVarConfigProvider());
-    var configPath = System.getenv().getOrDefault("CONFIG_PATH", "/config/config.yaml");
+    var configPath = System.getenv().getOrDefault(CONFIG_PATH_ENV_VAR, JOSDK_CONFIG_CONFIG_YAML);
     configProviders.add(new YamlConfigProvider(Path.of(configPath)));
     var configLoader = new ConfigLoader(new AggregatePriorityListConfigProvider(configProviders));