vercel.proxy (draft)

[ricardo-agz]

vercel.json

{
  "services": {
    "frontend": { ... },
    "backend": { ... }
  },
  "proxy": { "entrypoint": "proxy.py" }
}

proxy.py

from vercel.proxy import Proxy, Request, Route, redirect, rewrite
from vercel.proxy.matchers import cookie, header, host, query


async def dashboard(request: Request):
    if request.cookies.get("session") is None:
        return redirect("/login")
    return None


proxy = Proxy(
    routes=[
        Route(
            "/dashboard/{path:path}",
            dashboard,
            has=[host("{tenant}.example.com"), cookie("session")],
            missing=[header("x-blocked")],
        ),
        Route.rewrite(
            "/legacy/{path:path}",
            "/new/{path}",
            has=[query("migrate", "1")],
        ),
        Route.redirect("/docs", "/documentation", status_code=308),
    ]
)

[vercel]

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Project	Deployment	Actions	Updated (UTC)
vercel-py	Ready	Preview	Jul 24, 2026 12:21am