title: Firebase hosting : SSL Certificate has expired and haven't been renewed
body: <p>Tonight our website <a href="https://guestme.live" rel="nofollow noreferrer">https://guestme.live</a> went down because an SSL issue. On my browser Chrome I get this error : NET::ERR_CERT_DATE_INVALID.</p>
  
  <p>Looking for the certificate provided by firebase hosting (from letsencrypt), the expiration date is 13 feb. 2017. Don't know why it hasn't be renewed and how to resolve this issue. I try to contact firebase support...</p>
  
  <p>Validity<br>
  Not Before: Nov 15 22:08:00 2016 GMT<br>
  Not After : Feb 13 22:08:00 2017 GMT</p>