LetsEncrypt JSON file is not being stored

It's just a problem related to case:

  - --certificatesresolvers.default.acme.httpchallenge.entrypoint=http
  - --certificatesResolvers.default.acme.email=support@trajano.net
  - --certificatesResolvers.default.acme.storage=/letsencrypt/acme.json

certificatesresolvers vs certificatesResolvers => you need to use the same case

  - --certificatesresolvers.default.acme.httpchallenge.entrypoint=http
  - --certificatesresolvers.default.acme.email=support@trajano.net
  - --certificatesresolvers.default.acme.storage=/letsencrypt/acme.json

or

  - --certificatesResolvers.default.acme.httpchallenge.entrypoint=http
  - --certificatesResolvers.default.acme.email=support@trajano.net
  - --certificatesResolvers.default.acme.storage=/letsencrypt/acme.json

The flags are case insensitive but the case on one element must be identical.