docker.com
In short: Getting listed on Docker Hub is free. Plan for about 45 minutes — there is material to prepare and a review to wait on.
What they ask for: Publish your maintained CLI or server image with source, documentation, descriptions and canonical homepage links.
Publish your maintained CLI or server image with source, documentation, descriptions and canonical homepage links.
Ship a scanned, reproducible and maintained image; public presence is not Docker verification and fair-use limits apply.
Open the submission page on docker.com and complete its form — that is the "Open submit page" link at the top of this page.
Ship a scanned, reproducible and maintained image; public presence is not Docker verification and fair-use limits apply.
Priority sets the band — this one is high. Cost (free) and effort (moderate) move it within that band, which puts it in the high impact tier. The score orders a submission queue. It is not a measure of the site’s domain authority, traffic or quality.