See about using docker search and/or the underlying Docker HTTP v2 REST API. GitHub does not support the API but uses a dedicated API. Other container repos do support the Docker REST API and can be used with the built-in search docker search quay.io/node
Images
https://hub.docker.com/v2/search/repositories/?query=nginx
Versions/Tags
https://hub.docker.com/v2/repositories/library/nginx/tags