I think I've fixed it, it's been three days and I think it would otherwise have broken by now but things are going well. This is my docker setup running on the Pi 4. I installed docker using the convenience script they say to use for Raspberry Pis, and installed docker-compose with pip3. They're all running Raspberry Pi OS and should be pretty up to date. I tried disabling ipv6 and that didn't help. The only other difference besides wifi vs ethernet is the Pi 3B+ that isn't having issues recently had Raspberry Pi OS re-installed but the others have been running the same installation since the Pi 4 was released.Īll of them are using static IPs that are outside the router's DHCP address pool range so I know it's not an IP address conflict with another device. Restarting the Pi would fix it, but I don't want to have to power cycle them every day. I have a Pi 3B+ that is also running the same thing as the Pi 3B (a python script in docker-compose that records things with the pi camera module) though it uses wifi and has not had this issue.
Then I made a new project a few days later and hosted it on the Pi 4 and then it started having this issue as well. Both of them had been running totally fine for a long time, then I dockerized something I was running on the Pi 3B and it started having this issue soon after. This only started happening since I started using docker.
Was really strange, restarting the Pi fixed it. I tried using Cloudflare's 1.1.1.1 on the 3B but the issue still came back the next day.Īdditionally, the first time it happened on the Pi 4, I could connect to a web server hosted on it that's port forwarded using my external IP, but not the local IP, and it wouldn't respond to ssh. They also still show up on my router's connected devices list. When I connect a monitor I can see they're still running but are having DNS resolution issues so it can't connect to anything. I'm running some programs I wrote that run with docker-compose, and most days, if not every day, around the same times I suddenly won't be able to connect to them from the local network.įrom my computer I'll not be able to ping/ssh them or load any web servers they host (even the non-docker ones). I'm having this issue on both a Pi 3B and a Pi 4 4GB model.
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