How would I get my backend server's url into my frontend? | Railway | Page 1

naive rivet Mar 30, 2023, 10:29 AM

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Hi. Sorry for the noob question.

I've currently got a project with a flask service serving as a backend, and a NextJS service as a frontend. I need some way to get the flask service's url into the environment of the nextjs one. After running through the docs, I tried setting NEXT_PUBLIC_API_URL = ${{flask.RAILWAY_STATIC_URL}}, but that comes up empty in the actual application. How would I go about this?

Cheers!

cobalt finchBOT Mar 30, 2023, 10:29 AM

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Project ID: 981f1af8-b6cc-4902-afe6-ca3eca8425e5

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naive rivet Mar 30, 2023, 10:29 AM

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981f1af8-b6cc-4902-afe6-ca3eca8425e5

naive rivet Mar 30, 2023, 10:56 AM

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blazing nebula Mar 30, 2023, 12:04 PM

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Try https://docs.railway.app/develop/variables#shared-variables

Railway Docs

Variables | Railway Docs

Documentation for Railway

naive rivet Mar 30, 2023, 12:18 PM

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do you know how I'd set one of those shared variables to be the deploy url of one of the sites?

blazing nebula Mar 30, 2023, 12:23 PM

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Why do you need to reference it, actually? You can just use the value of the URL (NEXT_PUBLIC_API_URL=https://your.flask.backend.up.railway.app)

naive rivet Mar 30, 2023, 12:44 PM

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yep, that's what I'm doing now.

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I assumed there would be some better solution

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but seems like hardcoding it is the way to go

blazing nebula Mar 30, 2023, 12:57 PM

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Hardcoding is the better solution for this, IMO. There's no need to complicate it unless your URL is dynamic (e.g. different deployments for preview/staging branches)

drowsy plover Mar 30, 2023, 4:06 PM

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just like to point out that those variables are not shareable between services, they are specific to only one service by design

#How would I get my backend server's url into my frontend?