First commit

app/(auth)/auth/callback/route.ts

@@ -0,0 +1,15 @@
+import { NextResponse } from "next/server";
+import { supabaseServer } from "@/lib/supabase/server";
+
+export async function GET(request: Request) {
+  const requestUrl = new URL(request.url);
+  const code = requestUrl.searchParams.get("code");
+  const redirectTo = requestUrl.searchParams.get("redirectTo") ?? "/courses";
+
+  const supabase = await supabaseServer();
+  if (code && supabase) {
+    await supabase.auth.exchangeCodeForSession(code);
+  }
+
+  return NextResponse.redirect(new URL(redirectTo, requestUrl.origin));
+}