Validate VITE_* environment variables at build time with a Zod schema.
npx skills add https://github.com/matthewharwood/dean-stack --skill t3-env
Please help me install this Agent Skill. Skill: t3-env Source: https://github.com/matthewharwood/dean-stack/tree/main/.claude/skills/t3-env Command: npx skills add https://github.com/matthewharwood/dean-stack --skill t3-env
client-side VITE_* environment variables were not validated at build time in dean-stack, risking runtime errors and misconfigurations on GitHub Pages. This skill provides a deterministic, static-gate approach that validates env definitions before publish.
Wire in the env core by updating apps/web/app/env.ts and run bun run build to validate VITE_* at build time.
High-intent search queries and answers about installing and using this skill.
You validate VITE environment variables at build time by applying a Zod-based schema via @t3-oss/env-core and gating the build process. This catches invalid or missing environment variables before deployment.
Vite apps fail on GitHub Pages when client-side VITE_* variables are not validated at build time, causing runtime errors. This issue is prevented by enforcing a deterministic build gate that validates env definitions before publish.
Yes, t3-oss env validation supports static GitHub Pages deployment by maintaining a client/server split with an empty server slot. This ensures only client-side VITE_* variables are processed for static hosting.
Wire Zod schema validation into a Vite config by updating your env.ts file to define the schema using @t3-oss/env-core. Run your build command, such as bun run build, to trigger the validation gate.
The limitation of build-time env validation for Vite is that it only checks variables during the build process, not at runtime. It requires a deterministic build gate like bun run build to catch misconfigurations before publish.
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