Learn how to build robust and secure ETL pipelines using Apache Airflow. This guide provides a step-by-step tutorial on automating SFTP file transfers, implementing secure file processing, and leveraging Python DAGs for efficient workflow orchestration. Discover Airflow best practices, SFTP integration techniques, and how to create a reliable file processing pipeline for your data needs. Ideal for those seeking Apache Airflow training and practical examples for automating file transfers and ETL processes.