Healthchecks.io is a free and open source service for monitoring cron jobs, background processes and scheduled tasks. When Healthchecks.io detects a problem, it can notify you by posting to a Mattermost channel. To set up the Mattermost integration, please sign into Healthchecks.io:
In the "Integrations" screen, select Incoming Webhook and then Add Incoming Webhook.
Fill in the form and hit "Save".
Copy the displayed URL.
Sign into Healthchecks.io, then go to the Integrations page and click on Add Integration next to the Mattermost integration.
Paste the copied URL in the form.
Save the integration, and you are all set!