# X days since last outage caused by TLS expiry How often does your infrastructure break because you forgot to automate TLS renewal, or because it broke? Find out by rolling out this tool with the domains and services! ## Plans ### Backend - Python script for backend - check each domain's tls cert using [`ssl` library](https://docs.python.org/3/library/ssl.html) - use file(s) to store: - domains - expiry status *per* domain - log of outages - cronjob at the start (every 1-5 minutes) ### Frontend - Javascript - re-fetch JSON from backend regularly (every 10 seconds to 1 minute), then update the page