feat(docker): prepare portable images with runtime hotel configuration

src/app/api/imaging/avatar/route.ts

@@ -1,7 +1,7 @@
 import { type NextRequest, NextResponse } from "next/server";
-import { resolveImagerBase } from "@/lib/imager";
+import { resolveImagerBase } from "@/lib/runtime-asset-config";
 
-const FIGURE_RE = /^[a-z]{2}-\d+(-\d+)?(\.[a-z]{2}-\d+(-\d+)?)*$/i;
+const FIGURE_RE = /^[a-z]{2}-\d+(?:-\d+)*(?:\.[a-z]{2}-\d+(?:-\d+)*)*$/i;
 const FIGURE_MAX_LEN = 512;
 const FIGURE_MAX_PARTS = 24;
 const UPSTREAM_TIMEOUT_MS = 10_000;
@@ -66,8 +66,9 @@ export async function GET(request: NextRequest) {
 	const imgFormat = searchParams.get("img_format");
 	if (imgFormat) params.set("img_format", imgFormat);
 
-	const upstream = resolveImagerBase();
-	const upstreamUrl = `${upstream}?${params.toString()}`;
+	const upstream = resolveImagerBase(new URL(request.url).origin);
+	const upstreamUrl = new URL(upstream);
+	for (const [key, value] of params) upstreamUrl.searchParams.set(key, value);
 
 	try {
 		const res = await fetch(upstreamUrl, {