For airflow 1.10.14, go to airflow_v1
folder and execute this command: docker-compose -f docker-compose.yml up
For airflow 2, go to airflow_v2
folder and execute this command: docker-compose -f docker-compose.yml up
Ref: https://github.com/apache/airflow/blob/master/docs/apache-airflow/start/docker-compose.yaml