Random HTTP 500 errors with Node process crashes (SIGABRT / SIGSEGV)

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I was getting the same random issues on Vercel (possibly from a mix of Bun and Node environments).

Steps I took:

  • Removed bun.lock, node_modules, and package-lock.json

  • Made sure all my package.json scripts use Node commands (removed any bun references)

  • Matched my local Node version to Vercel’s (20.x)

  • Locally run npm install and commit updated package.json and package-lock.json

  • In Vercel → Settings → Build & Development → Framework Settings, set:

    • Build Command: npm run build

    • Install Command: npm ci

  • Deploy vercel --force

This setup seems to have resulted in a stable environment for me (for now)