Custom colors for shortlived certificates

[b90g]

📑 I have found these related issues/pull requests

b1f266c

🛡️ Security Policy

• I have read and agree to Uptime Kuma's Security Policy.

📝 Description

LetsEncrypt can provide shortlived certificates lasting for only six days:
https://letsencrypt.org/2026/01/15/6day-and-ip-general-availability

👟 Reproduction steps

have a certificate that is short lived

see that it always warns us.

👀 Expected behavior

maybe its possible to calculate the time span Valid From - Valid until and see from current Date if there is still more than 5% of the over validity time left

or adjust it according to the warning notification:

😓 Actual Behavior

its fixed on 7 days

🐻 Uptime-Kuma Version

2.0.2

💻 Operating System and Arch

Armbian, Docker

🌐 Browser

Any

🖥️ Deployment Environment

Just docker

📝 Relevant log output

[CommanderStorm]

Lets consolodate this a bit