diff --git a/airflow/dags/spark_pi.py b/airflow/dags/spark_pi.py
index 86781a7..a691d18 100644
--- a/airflow/dags/spark_pi.py
+++ b/airflow/dags/spark_pi.py
@@ -51,9 +51,37 @@ default_args = {
     'max_active_runs': 1,
     'retries': 3
 }
-# [END default_args]
 
-# [START instantiate_dag]
+spec = {'apiVersion': 'sparkoperator.k8s.io/v1beta2',
+        'kind': 'SparkApplication',
+        'metadata': {
+            'name': 'spark-pi',
+            'namespace': 'lot1-spark-jobs'
+        },
+        'spec': {
+            'type': 'Scala',
+            'mode': 'cluster',
+            'image': 'apache/spark:v3.1.3',
+            'imagePullPolicy': 'Always',
+            'mainApplicationFile': 'local:///opt/spark/examples/jars/spark-examples_2.12-3.1.3.jar',
+            'mainClass': 'org.apache.spark.examples.SparkPi',
+            'sparkVersion': '3.1.3',
+            'restartPolicy': {'type': 'Never'},
+            'arguments': ['{{ds}}'],
+            'driver': {
+                'coreLimit': '1200m',
+                'cores': 1,
+                'labels': {'version': '3.1.3'},
+                'memory': '1g',
+                'serviceAccount': 'spark',
+            },
+            'executor': {
+                'cores': 1,
+                'instances': 1,
+                'memory': '512mg',
+                'labels': {'version': '3.1.3'}
+            }
+            }}
 
 dag = DAG(
     'spark_pi',
@@ -65,14 +93,13 @@ dag = DAG(
 submit = SparkKubernetesOperator(
     task_id='spark_pi_submit',
     namespace='lot1-spark-jobs',
-    application_file="/example_spark_kubernetes_operator_pi.yaml",
+    template_spec=spec,
     kubernetes_conn_id="kubernetes_default",
     do_xcom_push=True,
     in_cluster=True,
     delete_on_termination=True,
     dag=dag
 )
-submit.application_file = "/example_spark_kubernetes_operator_pi.yaml"
 
 sensor = SparkKubernetesSensor(
     task_id='spark_pi_monitor',