This is a simplified example of running Airflow in a Docker container.
This example was specifically created as part of this post as a how to on running Airflow on a Raspberry Pi.
docker build --tag airflow:0.1.0 .
docker run \
-v <PATH_TO_PROJECT>:/app/airflow/dags \
--name airflow \
-p 8080:8080 \
-d airflow:0.1.0