* imp(docker): healtcheck and updated versions
This improves the structure of the Dockerfile, uses the new DNS seeder version, which fixes some build issues and adds logging to coreDNS when there's an error
* Apply suggestions from code review
Co-authored-by: Conrado Gouvea <conradoplg@gmail.com>
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Co-authored-by: Conrado Gouvea <conradoplg@gmail.com>