diff --git a/.vercelignore b/.vercelignore
new file mode 100644
index 0000000..cc62c72
--- /dev/null
+++ b/.vercelignore
@@ -0,0 +1,7 @@
+.env*
+dist
+.eve
+.output
+.workflow-data
+*.tgz
+.claude
diff --git a/demo/eve-plugin.ts b/demo/eve-plugin.ts
index 5dbe2bc..808bc3b 100644
--- a/demo/eve-plugin.ts
+++ b/demo/eve-plugin.ts
@@ -40,7 +40,8 @@ export type EveAgentOptions = {
 export function eveAgent(options: EveAgentOptions): Plugin {
   return {
     name: "eve-agent",
-    apply: "serve",
+    apply: (_config, { command, mode }) =>
+      command === "serve" && mode === "standalone",
     async configureServer(server) {
       const eve = await importEveHost();
       const serverUrl = `http://127.0.0.1:${options.port}/`;
diff --git a/demo/package.json b/demo/package.json
index 9f97c1e..fe07d25 100644
--- a/demo/package.json
+++ b/demo/package.json
@@ -3,8 +3,8 @@
   "private": true,
   "type": "module",
   "scripts": {
-    "dev": "vite",
-    "build": "eve build && vite build"
+    "dev": "vite --mode standalone",
+    "build": "vite build"
   },
   "devDependencies": {
     "@tailwindcss/vite": "^4.3.2",
diff --git a/demo/vercel.json b/demo/vercel.json
index 8502607..884072e 100644
--- a/demo/vercel.json
+++ b/demo/vercel.json
@@ -1,5 +1,25 @@
 {
   "$schema": "https://openapi.vercel.sh/vercel.json",
-  "framework": "eve",
-  "routes": [{ "src": "^/$", "dest": "/index.html" }]
+  "services": {
+    "web": {
+      "root": ".",
+      "framework": "vite",
+      "devCommand": "vite"
+    },
+    "eve": {
+      "root": ".",
+      "framework": "eve",
+      "buildCommand": "eve build"
+    }
+  },
+  "rewrites": [
+    {
+      "source": "/eve/(.*)",
+      "destination": { "service": "eve" }
+    },
+    {
+      "source": "/(.*)",
+      "destination": { "service": "web" }
+    }
+  ]
 }
diff --git a/demo/vite.config.ts b/demo/vite.config.ts
index 8b57e34..94665bb 100644
--- a/demo/vite.config.ts
+++ b/demo/vite.config.ts
@@ -5,30 +5,21 @@ import { eveAgent } from "./eve-plugin";
 const port = parseInt(process.env.PORT ?? "3000", 10);
 const agentPort = 2000;
 
-// On Vercel builds, `eve build` writes the deployment bundle to
-// .vercel/output (Vercel Build Output API) and `.output/public` is never
-// deployed. The static site must land in the bundle's static directory,
-// where it is served ahead of the eve catch-all function. Never empty that
-// directory: eve may have written assets into it already.
-function resolveBuildOptions(root: string) {
-  if (process.env.VERCEL) {
-    return { outDir: `${root}/.vercel/output/static`, emptyOutDir: false };
-  }
-  return { outDir: `${root}/.output/public`, emptyOutDir: true };
-}
-
-export default defineConfig({
+export default defineConfig(({ mode }) => ({
   root: `${import.meta.dirname}/app`,
   publicDir: `${import.meta.dirname}/public`,
-  build: resolveBuildOptions(import.meta.dirname),
+  build: { outDir: `${import.meta.dirname}/dist`, emptyOutDir: true },
   server: {
     port,
-    open: true,
-    proxy: { "/eve": `http://127.0.0.1:${agentPort}` },
+    open: mode === "standalone",
+    proxy:
+      mode === "standalone"
+        ? { "/eve": `http://127.0.0.1:${agentPort}` }
+        : undefined,
   },
   plugins: [
     tailwindcss(),
     eveAgent({ root: import.meta.dirname, port: agentPort }),
   ],
   resolve: { alias: { "@": `${import.meta.dirname}/../src` } },
-});
+}));