Found:
bin/config set phabricator.base-uri https:
I previously added the https url in phabricator.production-uri and phabricator.allowed-uris (I don't know if this was important).
Warning. At some point, I was able to complete the login screen processing. Probably because I did not run bin/phd restart . If this happens, restore phabricator.base-uri to its previous value.
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