Install Hassio Let’s Encrypt

Set Configuration of DNS

1. Navigate in your Home Assistant frontend to Hass.io -> Add-on Store
2. Find the “letsencrypt” add-on and click it.
3. Click on the “INSTALL” button.
4. Enter Configuration information
5. Temporarily setup port forwarding on router for ports 80 and 443 to hassio IP

Configuration Example

{
   "email": "david@hasmaster.com",
   "domains": [
     "hasmaster.synology.me"
   ],
   "certfile": "fullchain.pem",
   "keyfile": "privkey.pem",
   "challenge": "http",
   "dns": {}
 }

Confirmation log will confirm location of keys

Your certificate and chain have been saved at:    /data/letsencrypt/live/hasmaster.synology.me/fullchain.pem   
 Your key file has been saved at:    /data/letsencrypt/live/hasmaster.synology.me/privkey.pem 

References

• https://www.home-assistant.io/addons/lets_encrypt/
• https://letsencrypt.org/