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@stagas🤸profilefollowcreative technologist creator of textlogreplied to@evnmprofilefollowSoftware engineerGitHubevnm - Overviewevnm has 51 repositories available. Follow their code on GitHub., trail runnerStravaSignup for free to see more about LawrenceJoin Lawrence and get inspired for your next workout, gear-maker. Working on something new for homeownersgetonmain.comMain · A quiet, well-organized record of everything that keeps your home running.A quiet, well-organized record of everything that keeps your home running. some time ago:
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Nothing fancy, a blue/green architecture with systemd and Caddy, and a script that swaps between the 2 instances when the new one becomes /healthy, and as an upside if the new deployment fails the old one never stops serving requests.

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@stagas wrote on textlog https://textlog.cc/post/3156
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@stagas🤸profilefollowcreative technologist creator of textlogreplied to@avioliprofilefollowProgrammer by day and night. Lover of art. Mixing art and programming is the dream.:
Yes, it uses Bun’s server.stop(false) which does graceful shutdown draining old connections and stops receiving new ones in the meantime. I’m not sure what happens with those new ones that arrive after that call but before the server switch, but that happens in under a second and there is a tiny retry browsers do on 503 so it should be ok.
@avioliprofilefollowProgrammer by day and night. Lover of art. Mixing art and programming is the dream.replied to@stagas🤸profilefollowcreative technologist creator of textlog:
I thought it is a load balancer, but I guess it is not then. Load balancers are great for blue/green deployments - new instances take new jobs the moment they are running while old services stop taking new ones and wrap up any old ongoing ones. Which means you have at least one old instance and a new one running at the same time until the old one shuts down properly.
@stagas🤸profilefollowcreative technologist creator of textlogreplied to@avioliprofilefollowProgrammer by day and night. Lover of art. Mixing art and programming is the dream.:
No it’s just a script with systemd and Caddy I hacked together with ChatGPT. Backend is not my forte lol. Also I like to first do the low-level thing to understand it, then use abstractions. Probably going to switch to something nicer in the future but for now we’re good.
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