Drush

---
cachetool:
  version: "" # enter three-digit version number, e.g. "7.0.0", to install a specific version. If not specified, will be installed depending on the php version.
  unix_socket: false  # Set to true to use automatic detection of Unix socket as set by ce-provision
  check_retries: 5
  check_delay: 20
  # Adapter string to use as argument.
  # e.g.
  # --fcgi=127.0.0.1:9000
  # --fcgi=/var/run/php-fpm.sock
  # Provide an empty string to use /etc/cachetool.yml
  # adapter: "--fcgi=127.0.0.1:9081"  # Leave commented to automatically detect the adapter based on PHP version.