The OTP server variables were read straight from the environment in
views.py. They are now OTP_* settings next to everything else, under
the same environment variable names, so existing deployments are
unaffected.
Remove LDAP_SERVER and LDAP_USERS_DN, which nothing used.
env.sample moves to the repository root (where .env is read from) and
lists every variable settings.py reads, including defaults and which
values are secrets.
Alpine 3.24 based slapd with the production directory layout
(dc=ungleich,dc=ch, ou=customers, ou=users) and the openssh-lpk schema.
The app runs natively against it on ldap://localhost:3389.
Includes dev/env.dev with dev-only settings (cp dev/env.dev .env).
