unqualified-search-registries=["docker.io", "quay.io"]

[[registry]]
# In Nov. 2020, Docker rate-limits image pulling.  To avoid hitting these
# limits while testing, always use the google mirror for qualified and
# unqualified `docker.io` images.
# Ref: https://cloud.google.com/container-registry/docs/pulling-cached-images
prefix="docker.io"
location="mirror.gcr.io"