Airflow-examples Apache airflow(Cloud Composer) example code Cloud Composer's airflow version is 1.10.3 Reference Airflow example_dags Cloud Composer ETL-with-airflow Doc ETL-with-airflow Github airflow-gcp-examples Airflow: Tips, Tricks, and Pitfalls docker-airflow A Cheap and Simple Way to Load Files on S3 to BigQuery using Cloud Composer