This file is read by Grafana's systemd service to set an environment variable with a secret Slack WebHook URL to post alerts to.
The only line in the file should be ``SLACKURL=`` with the secret URL.
Get a secret URL for your Slack channel at https://www.slack.com/apps/A0F7XDUAZ.
Use the url from `this 1Password entry <https://privatestorage.1password.com/vaults/7flqasy5hhhmlbtp5qozd3j4ga/allitems/cgznskz2oix2tyx5xyntwaos5i>`_ or get a new secret URL for your Slack channel at https://www.slack.com/apps/A0F7XDUAZ.