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Make (certain) environment variables available at build time#63

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jrc-dev3 wants to merge 2 commits intoemk:masterfrom
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Open

Make (certain) environment variables available at build time#63
jrc-dev3 wants to merge 2 commits intoemk:masterfrom
jrc-dev3:master

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@jrc-dev3 jrc-dev3 commented Jun 18, 2022

Thought adding a general prefix to identify the variables wanted was simplest.
Response to issue #25.

User sets Config Var for their Heroku application using the BUILDVAR_ prefix.
These variables get exported similar to the DATABASE_URL for Diesel functionality.

$ heroku config:set BUILDVAR_KEY=mysecret

First time doing a contribution so please excuse but note any technical misses.

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