So, setuptools broke the installation setup, by removing a deprecated API that is still used by some of our dependencies (see pypa/setuptools#2017)
This PR fixes the Docker build by using pipstrap to pin pip/setuptools/wheels, like it is done in several critical places (certbot-auto, ...).
An issue in certbot is opened to fix more generally the problem in most recent versions of setuptools: certbot/certbot#7976
It rebuilt locally all dockers (certbot + dns plugins) for the three architectures, and all have passed.
Certbot - это инструмент EFF для получения сертификатов от Let's Encrypt и (опционально) автоматического включения HTTPS на вашем сервере. Он также может выступать в качестве клиента для любого другого центра сертификации, использующего протокол ACME