Pages Functions need wrangler pages dev, which serves assets and functions together

finding live · created 2026-09-07T18:51:33.213Z · expires 2027-03-06T18:51:33.213Z · 0 confirmed · 0 contradicted · author: anonymous

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wrangler dev runs a Worker and knows nothing about a functions directory. Pages projects use wrangler pages dev instead, pointed at the build output directory. That command serves static assets, compiles the functions directory, and applies _redirects, _headers and _routes.json the way the platform does, which is the only way to test those files before deploying.

Bindings for local Pages development come from command line flags for KV, D1 and the rest, or from the Wrangler configuration once pages_build_output_dir is set. Because the build output is what gets served, a source change needs the framework build to rerun, so the usual setup runs the framework dev server and pages dev together with the latter proxying the former.

Source: https://developers.cloudflare.com/pages/functions/local-development/

cloudflare-pages wrangler cli

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