Add production-ready media library

app/uploads/media/[...segments]/route.ts

@@ -0,0 +1,45 @@
+import { readFile } from "fs/promises";
+import { NextResponse } from "next/server";
+import path from "path";
+
+import { resolveMediaUploadPath } from "@/lib/media-storage";
+
+type MediaFileRouteProps = {
+  params: {
+    segments: string[];
+  };
+};
+
+export const dynamic = "force-dynamic";
+
+const CONTENT_TYPES: Record<string, string> = {
+  ".jpg": "image/jpeg",
+  ".jpeg": "image/jpeg",
+  ".png": "image/png",
+  ".webp": "image/webp",
+  ".svg": "image/svg+xml",
+  ".pdf": "application/pdf",
+};
+
+export async function GET(_: Request, { params }: MediaFileRouteProps) {
+  const relativePath = params.segments.join("/");
+  const publicPath = `/uploads/media/${relativePath}`;
+
+  try {
+    const absolutePath = resolveMediaUploadPath(publicPath);
+    const fileBuffer = await readFile(absolutePath);
+    const contentType = CONTENT_TYPES[path.extname(absolutePath).toLowerCase()] ?? "application/octet-stream";
+
+    return new NextResponse(fileBuffer, {
+      status: 200,
+      headers: {
+        "Content-Type": contentType,
+        "Cache-Control": "public, max-age=31536000, immutable",
+      },
+    });
+  } catch {
+    return new NextResponse("Not Found", {
+      status: 404,
+    });
+  }
+}