Advance WebGPU volume and bounded workflows

tools/vdb/server/vdb-job-server.mjs

@@ -0,0 +1,18 @@
+#!/usr/bin/env node
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import { VDBJobService, createVDBJobHttpServer } from "./vdb-job-service.mjs";
+
+const root = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "../../..");
+const host = process.env.VDB_SERVER_HOST ?? "127.0.0.1";
+const port = Number(process.env.VDB_SERVER_PORT ?? 8787);
+const service = new VDBJobService({
+  converter: process.env.VDB_CONVERTER ?? path.join(root, "build_vdb_tools/vdb_to_nanovdb"),
+  root: process.env.VDB_SERVER_DATA ?? path.join(root, "build_vdb_server"),
+});
+const server = createVDBJobHttpServer(service);
+server.listen(port, host, () => process.stdout.write(`vdb-job-server-ready http://${host}:${port}\n`));
+
+for (const signal of ["SIGINT", "SIGTERM"]) {
+  process.on(signal, () => server.close(() => process.exit(0)));
+}