If you are upgrading from gitea-<1.7.1, please note the following changes:

* Configuration file location has changed from /etc/gitea/conf/app.ini
  to /etc/gitea/app.ini

* GITEA_CUSTOM directory location has changed from /etc/gitea
  to /var/gitea/custom

* Default ROOT_PATH for logs has changed from /var/gitea/log
  to /var/log/gitea
