diff --git a/light-rest-4j/src/main/java/com/networknt/codegen/rest/OpenApiLambdaGenerator.java b/light-rest-4j/src/main/java/com/networknt/codegen/rest/OpenApiLambdaGenerator.java
index 28fd174ea..3afb9cbd3 100644
--- a/light-rest-4j/src/main/java/com/networknt/codegen/rest/OpenApiLambdaGenerator.java
+++ b/light-rest-4j/src/main/java/com/networknt/codegen/rest/OpenApiLambdaGenerator.java
@@ -191,6 +191,9 @@ public void generate(final String targetPath, Object model, Any config) throws I
                 }
             }
 
+            // app.yml
+            transfer(targetPath + separator + functionName, ("src.main.resources").replace(".", separator), "app.yml", templates.lambda.appYml.template());
+
             // logback.xml
             transfer(targetPath + separator + functionName, ("src.main.resources").replace(".", separator), "logback.xml", templates.lambda.logback.template(rootPackage));
             transfer(targetPath + separator + functionName, ("src.test.resources").replace(".", separator), "logback-test.xml", templates.lambda.logback.template(rootPackage));
diff --git a/light-rest-4j/src/main/resources/templates/lambda/app.yml.rocker.raw b/light-rest-4j/src/main/resources/templates/lambda/appYml.rocker.raw
similarity index 100%
rename from light-rest-4j/src/main/resources/templates/lambda/app.yml.rocker.raw
rename to light-rest-4j/src/main/resources/templates/lambda/appYml.rocker.raw