component.py

from kfp import components
components.func_to_container_op(bigquery_to_csv,
                                output_component_file='bq_to_csv.yaml', 
                                #custom Docker image
                                base_image='gcr.io/demo-project/custom-container',
                                #dynamically install packages
                                packages_to_install=['google-cloud-bigquery-storage','google-cloud-bigquery','pandas','pyarrow'])