results from npm create t3-app@latest

src/pages/api/auth/[...nextauth].ts

@@ -0,0 +1,4 @@
+import NextAuth from "next-auth";
+import { authOptions } from "~/server/auth";
+
+export default NextAuth(authOptions);

src/pages/api/trpc/[trpc].ts

@@ -0,0 +1,19 @@
+import { createNextApiHandler } from "@trpc/server/adapters/next";
+
+import { env } from "~/env.mjs";
+import { createTRPCContext } from "~/server/api/trpc";
+import { appRouter } from "~/server/api/root";
+
+// export API handler
+export default createNextApiHandler({
+  router: appRouter,
+  createContext: createTRPCContext,
+  onError:
+    env.NODE_ENV === "development"
+      ? ({ path, error }) => {
+          console.error(
+            `❌ tRPC failed on ${path ?? "<no-path>"}: ${error.message}`,
+          );
+        }
+      : undefined,
+});