fix: docker callback url

app/api/auth/[...nextauth]/route.ts

@@ -1,4 +1,22 @@
 import { handlers } from "@/auth";
+import { NextRequest } from "next/server";
 
-// Referring to the auth.ts we just created
-export const { GET, POST } = handlers;
+const reqWithTrustedOrigin = (req: NextRequest): NextRequest => {
+  const proto = req.headers.get("x-forwarded-proto");
+  const host = req.headers.get("x-forwarded-host");
+  if (!proto || !host) {
+    console.warn("Missing x-forwarded-proto or x-forwarded-host headers.");
+    return req;
+  }
+  const envOrigin = `${proto}://${host}`;
+  const { href, origin } = req.nextUrl;
+  return new NextRequest(href.replace(origin, envOrigin), req);
+};
+
+export const GET = (req: NextRequest) => {
+  return handlers.GET(reqWithTrustedOrigin(req));
+};
+
+export const POST = (req: NextRequest) => {
+  return handlers.POST(reqWithTrustedOrigin(req));
+};