A couple days ago, someone posted on /0 (the meta community for the Divisions by zero) that the incoming federation from lemmy.world (the largest lemmy instance by an order of magnitude) is malfunctioning. Alarmed, I started digging in, since a federation problem with lemmy.world will massively affect the content my community can see. As always [...]
I think anyone just wanting to host a lemmy server would do a single compose stack on a single server.
In a different project, im currently fighting tcp sockets disconnecting between a 3rd party containet and a postgres container. I know its tcp_keepalive settings somewhere, and obviously isnt an issue when everything is being used, but having a database connection get dropped overnight and not gracefully restarted on first use the next day is a massive PITA!
So, Im just shotgunning TCP Keepalive settings on hosts, docker sysctls, wherever i can find any appropriate setting, until the problem goes away (then i might remove some until it reappears)
Your consumer (app) also has to manage this situation, with retries, just in case the start up rakes some times…