fix(next): fix local dev

examples/next-js/src/lib/rivet-client.ts

@@ -2,16 +2,7 @@
 import { createClient, createRivetKit } from "@rivetkit/next-js/client";
 import type { registry } from "@/rivet/registry";
 
-const getOrigin = () => {
-	if (typeof window !== "undefined") {
-		return window.location.origin;
-	}
-	// Fallback for SSR or when window is not available
-	return process.env.NEXT_PUBLIC_BASE_URL || "http://localhost:3000";
-};
+// TODO: Auto-trigger start by sending request to health endpoint
 
-const client = createClient<typeof registry>({
-	endpoint: `${getOrigin()}/api/rivet`,
-	transport: "sse",
-});
+const client = createClient<typeof registry>();
 export const { useActor } = createRivetKit(client);

packages/next-js/src/mod.ts

@@ -6,7 +6,20 @@ export const toNextHandler = (
 ) => {
 	// Don't run server locally since we're using the fetch handler directly
 	inputConfig.disableDefaultServer = true;
-	inputConfig.disableActorDriver = true;
+
+	// Configure serverless
+	const publicUrl =
+		process.env.NEXT_PUBLIC_SITE_URL ??
+		process.env.NEXT_PUBLIC_VERCEL_URL ??
+		`http://127.0.0.1:${process.env.PORT ?? 8080}`;
+	inputConfig.runnerKind = "serverless";
+	inputConfig.runEngine = true;
+	inputConfig.autoConfigureServerless = {
+		url: `${publicUrl}/api/rivet/start`,
+	};
+
+	// Next logs this on every request
+	inputConfig.noWelcome = true;
 
 	const { fetch } = registry.start(inputConfig);
 

packages/rivetkit/src/manager/gateway.ts

@@ -180,7 +180,8 @@ async function handleHttpGateway(
 		headers: proxyHeaders,
 		body: c.req.raw.body,
 		signal: c.req.raw.signal,
-	});
+		duplex: "half",
+	} as RequestInit);
 
 	return await managerDriver.proxyRequest(c, proxyRequest, actorId);
 }