Lucas_Werkmeister_WMDE added a comment.

  In T355685#9490969 <https://phabricator.wikimedia.org/T355685#9490969>, 
@akosiaris wrote:
  
  > Definitely different task. I am also not at all sure right now that the 
test release can easily be folded in like that, we 'll have to see if the 
service mesh is able to support >1 release being exposed like that.
  
  Created T355955: Simplify Termbox SSR test release 
<https://phabricator.wikimedia.org/T355955>.
  
  >> Meanwhile, we should still fix the `localhost` issue of the `production` 
release. My understanding is that changing `localhost` to `127.0.0.1` might 
work, but T355686 <https://phabricator.wikimedia.org/T355686> has been proposed 
as an alternative solution that might be more sustainable; do you have any 
preference which one we should go for?
  >
  > T355686 <https://phabricator.wikimedia.org/T355686> is the preferable 
approach here, solving the problem more generically by having envoy dual stack 
binding and avoiding having every single application hardcoding localhost to 
127.0.0.1.
  
  Alright, then let’s see how that task develops. I’ve set myself a calendar 
reminder to come back to this task in ~two weeks, because I don’t think we 
should have a known broken version tagged as `latest` indefinitely – if the 
general solution doesn’t happen soon, we should either hard-code `127.0.0.1` 
after all (we can always revert it later) or revert the Node 18 upgrade for 
now. (But that’s not meant to hurry or pressure T355686 
<https://phabricator.wikimedia.org/T355686> at all, I just want to make sure we 
don’t forget about the Wikidata part :))
  
  >> (I was also wondering why the `HEALTHCHECK_QUERY` in `values.yaml`, which 
looks correct to me, didn’t prevent the broken deployment – but as far as I can 
tell, it’s not actually connected to any Kubernetes liveness/readiness/startup 
probes like I had assumed. It ends up in some OpenAPI spec `x-amples` (`curl 
'https://staging.svc.eqiad.wmnet:4004/?spec'`) and that’s apparently all.)
  >
  > That thing is used by 
https://gerrit.wikimedia.org/r/plugins/gitiles/operations/software/service-checker/+/refs/heads/master
 which runs in our monitoring infrastructure. It utilizes the `x-amples` stanza 
to construct and issue queries to the service as part of monitoring, 
effectively mimicking a simple "user", at least as far as the x-amples stanzas 
for every endpoint instruct it to.
  
  I see, thanks. So it the broken termbox would’ve shown up in monitoring 
sooner or later even without me testing it, but it didn’t automatically hold 
back the new version.

TASK DETAIL
  https://phabricator.wikimedia.org/T355685

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To: Lucas_Werkmeister_WMDE
Cc: Aklapper, akosiaris, Clement_Goubert, Jdforrester-WMF, Michael, 
WMDE-leszek, Lucas_Werkmeister_WMDE, Danny_Benjafield_WMDE, Kappakayala, 
Mohamed-Awnallah, Astuthiodit_1, lbowmaker, Arnoldokoth, BTullis, 
karapayneWMDE, Invadibot, Ywats0ns, maantietaja, wkandek, JMeybohm, ItamarWMDE, 
Akuckartz, darthmon_wmde, Nandana, jijiki, Lahi, Gq86, GoranSMilovanovic, 
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