git clone https://git.y.gy/firstdorsal/wkd-auto-docker
cd wkd-auto-docker
mkdir public-keys
create a file in the public-keys directory with the name of your key id (for example: paul@example.com) and insert your public key into the file.
menu > extras > manage OpenPGP keys > right click the key > copy public key
gpg -a --export paul@example.com > public-keys/paul@example.com
or
gpg -a --export paul@example.com > paul@example.com
docker-compose up -d --build
https://metacode.biz/openpgp/web-key-directory
thanks @www.kuketz-blog.de https://www.kuketz-blog.de/gnupg-web-key-directory-wkd-einrichten/