vi /data/gitea/conf/app.ini
[service]
REGISTER_EMAIL_CONFIRM = false
ENABLE_NOTIFY_MAIL = false
DISABLE_REGISTRATION = true
SHOW_REGISTRATION_BUTTON = false
ENABLE_CAPTCHA = true
REQUIRE_SIGNIN_VIEW = true
DEFAULT_KEEP_EMAIL_PRIVATE = true
DEFAULT_ALLOW_CREATE_ORGANIZATION = true
NO_REPLY_ADDRESS = noreply.example.org
# s6-svscanctl -t /etc/s6
docker restart gitea