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# generals
Slackbot
01/02/2023, 9:53 PMThis message was deleted.
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Asaf Erlich
01/02/2023, 10:24 PMI don't understand your goal. The base url is used by the backend or frontend process or pods only to hit the backends. You should be hitting the nearest one. It looks like you're making it the external facing url. That means each time a frontend or backend process wants to hit the backend it has to go out to the load balancer again. Why?
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Matt Ceroni
01/03/2023, 5:10 PM@Asaf Erlich I am a newbie to backstage so I might not be understanding the setting. I read
Note that the baseUrl should be the URL that the browser anda
Asaf Erlich
01/03/2023, 5:11 PMYeah I read that comment but it does not match my understanding of that configuration value at all.
Asaf Erlich
01/03/2023, 5:12 PMI don't know why any browser or client would care what's in your app config. The app config is included in the backstage container and read by the app (both backend and frontend processes) on startup.
Asaf Erlich
01/03/2023, 5:13 PMI would suggest for now to leave the backend base url to whatever is the default and only modify it if necessary.
Asaf Erlich
01/03/2023, 5:14 PMHmm, I take it back
Asaf Erlich
01/03/2023, 5:14 PMI'm sorry looking in my configuration we do point this at the same one as the external facing URL
Asaf Erlich
01/03/2023, 5:15 PMI guess I'm wrong
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Matt Ceroni
01/03/2023, 5:15 PMNo worries. It is a bit confusing
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Asaf Erlich
01/03/2023, 5:15 PMour local configuration is not this way so I was confused
Asaf Erlich
01/03/2023, 5:15 PMwe have one for local, one for stage, one for prod
Asaf Erlich
01/03/2023, 5:15 PMso I mixed things up
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Matt Ceroni
01/03/2023, 5:15 PMI can see what you are saying about backend url
Matt Ceroni
01/03/2023, 5:15 PMLike why would I force that to go external back through LB
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Asaf Erlich
01/03/2023, 5:15 PMI must be mixing up details
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Matt Ceroni
01/03/2023, 5:16 PMbut app.baseUrl is the URL at which clients interact with the front end (UI). And the GitHub link above seems to suggest that you should be able to add a sub-path.
Matt Ceroni
01/03/2023, 5:16 PMBut that doesn’t seem to be working for me. In your config do you have a sub-path?
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Asaf Erlich
01/03/2023, 5:16 PMwe don't add a sub-path
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Matt Ceroni
01/03/2023, 5:16 PMOk.
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Asaf Erlich
01/03/2023, 5:16 PMbut I don't see why it would matter ...
Asaf Erlich
01/03/2023, 5:16 PMunless it's parsing it in some way...
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Matt Ceroni
01/03/2023, 5:17 PMOne last quick question if you don’t mind. By default Backstage reads app-config.yaml and app-config.local.yaml. But I see some indication that you can specify APP_ENV and have it read app-config.$APP_ENV.yaml (ex: app-config.production.yaml). Do you use that functionality or are you putting all your settings in app-config.yaml?
Matt Ceroni
01/03/2023, 5:18 PMI think the sub-path matters because the initial page returned contains links to Javascript, images and such and if they don’t set the sub-path correctly then you get 404 (which I get).
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Asaf Erlich
01/03/2023, 9:26 PMsorry I didn't look at this message until now
Asaf Erlich
01/03/2023, 9:29 PMWe prefer keeping everything in app-config files and only rely on the env variable overrides in rare cases. We found it's easier to manage the files in git. We have the following app config files:
Copy code
fd "app-config.*"
app-config.local.yaml
app-config.yaml
config/app-config.local.yaml
config/app-config.production.yaml
config/app-config.stage.yaml--config app-config.yaml --config config/app-config.<env>.yamlAsaf Erlich
01/03/2023, 9:30 PMIf that makes sense.
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