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title: "Environment variables, builds and deployment · vuejs.school"
description: "Read per-environment values from .env files with the VITE_ prefix, know that the build bakes them in, and deploy dist/ with a fallback so deep links survive a refresh."
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> Index of every page on this site: [llms.txt](https://vuejs.school/llms.txt)

# **Environment variables, builds and deployment**

Read per-environment values from .env files with the VITE\_ prefix, know that the build bakes them in, and deploy dist/ with a fallback so deep links survive a refresh.

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