Hey guys, I was happily running 44 docker containers for a while on Debian host. Today I tried to add a new service (uptime-kuma) using portainer stacks, but I got this error:
Error response from daemon: could not find an available, non-overlapping IPv4 address pool among the defaults to assign to the network
Quick google led me to this link where I found possible problem with max number of docker networks. I did docker network prune, it removed 5 networks that were not in use and viola, uptime-kuma is working now!
Am I reaching the limit? What to do if I need 10 more services on the same host? I bet I saw some people in this community running many more services
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Take a look at K3S if you plan to use kubernetes on a single node.
Will check, thank you