Environment variables for react

[marce10]

It seems that adding REACT_APP_* to the environment variables in the netlify settings doesn’t work anymore. The variable always shows as undefined. I followed everything in the documentation but it still doesn’t work.

[perry]

hi there, just to be sure, did you see this guide on env vars?

[Support Guide] Using environment variables on Netlify correctly

The preferred way to use environment variables in Netlify is to set them in our environment - be that in the Environment Variables settings UI (on the site’s “Build & Deploy settings” page), or via netlify.toml. The latter is a bit more flexible as you can set different values for different contexts as demonstrated in this article - e.g. staging uses a staging $API_ENDPOINT and production uses a production one. You’ll want to choose the right pattern to meet your needs: Setting variables in ou…