OK.
This is the part where we put some test files.
[use sudo if needed]
echo "test 1234" > /var/rails/orsedd_interface/current/public/delete-me-1234
mkdir /var/rails/orsedd_interface/current/public/.well-known
mkdir /var/rails/orsedd_interface/current/public/.well-known/acme-challenge
echo "test 5678" > /var/rails/orsedd_interface/current/public/.well-known/acme-challenge/delete-me-5678
[These two files can be deleted once the tests are concluded]