Astronomer - Apache Airflow 3 Fundamentals DAG Authoring Study Guide

3: TaskFlow API, operators, and task configuration

This chapter shows how to author individual tasks on top of the DAG object introduced earlier, covering the full TaskFlow decorator family, the classic operator hierarchy, when to prefer one style over the other, and the per-task configuration knobs that control retries, timeouts, trigger rules, queue placement, priority, and history-aware execution.