To anyone having issues running on a pi it’s likely either or both of the following item -cheap 5v power supply. Yes you can use an old phone charger but it won’t cut it for long term usage. Get a quality unit or better yet the branded pihole charger. We ended up with a Poe hat that it runs off. Sorted Ethernet and power supply.

-memory card. Buy a quality, fast card and you will be fine.

Going on 8 years with my current pi setup. One failure around 6 years in which was the memory card