(Yes, I did search first) After recently using the admin upgrade interface, my discourse instance stopped working, responding with 502 Bad Gateway. I’ve entered the container and it appears to be running an nginx that is expecting a server at localhost:3000, which is not running. (54) Waiting for…

Start with search :wink: This looks similar? [תמונה] 502 Bad Gateway after upgrade to 2.7.0beta2 Self-hosting Updated from cli: cd /var/discourse git pull ./launcher rebuild app Everything went ok but I got 502 Bad Gateway error. docker ps CONTAINER ID …

Given the timing, this is most likely related to a data-explorer change which caused some issues. We’ve now reverted it, so if you try the rebuild again it should work better [תמונה] Data explorer taking instance down on rebuild Self-hosting I see that has bee…

Yes, I’m using data explorer . I didn’t do a git pull before restarting. When I do a git pull, and then ./launcher restart app it’s not fixed. [תמונה] Robert: Are you using a totally vanilla standard install ? Except that I’m running it behind an nginx on the host. (And I have a few plugins,…

[תמונה] Godmar Back: I’m now trying ./launcher rebuild app - I hope that rebuilding the app will preserve my forum’s database … and I’m not ending up with my forum reset. Sure, the database is on the mounted shared folder so persists. Restarting the container after a git pull is unlikely to …

[תמונה] Robert: Restarting the container after a git pull is unlikely to be enough. Got it. I also ./launcher rebuild app - would that not pull updates to the plugins?

Yep, that will update the plugins too (so long as they are cloned within app.yml)

In case this is still being investigated I had a 502 gateway error but not directly after the update routine which failed midway with a Ruby versioning error. Since I had not updated the server in about six weeks I ran apt update/upgrade and rebooted. That’s when the 502 error occurred, I could not …

כיצד לאתר כשל upstream של Discourse בתוך קונטיינר הגורם ל-502 Bad Gateway

תמיכה התקנה

נושא		תגובות	צפיות
502 Bad Gateway after upgrade to 2.7.0beta2 Self-hosting	0	672	23 בינואר,‏ 2021
Discourse Install 502 Bad Gateway Self-hosting	7	174	14 בפברואר,‏ 2026
502: Bad Gateway after web update Support	17	5729	16 בדצמבר,‏ 2019
Is there a step by step diagnostic for when a Discourse site is found in a 502 Bad Gateway? Self-hosting	8	633	30 במרץ,‏ 2024
Brand new install, shows only "502 Bad Gateway" Support	2	83	17 במרץ,‏ 2025

כיצד לאתר כשל upstream של Discourse בתוך קונטיינר הגורם ל-502 Bad Gateway

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