Simplify Vercel Elysia routing

apps/backend/api/config-github-apply.ts

@@ -1,8 +0,0 @@
-import app from "../dist/vercel.mjs";
-
-export const config = {
-  runtime: "nodejs",
-  maxDuration: 800,
-};
-
-export default app;

apps/backend/api/config-github-cancel.ts

@@ -1,8 +0,0 @@
-import app from "../dist/vercel.mjs";
-
-export const config = {
-  runtime: "nodejs",
-  maxDuration: 60,
-};
-
-export default app;

apps/backend/api/config-github-commit.ts

@@ -1,8 +0,0 @@
-import app from "../dist/vercel.mjs";
-
-export const config = {
-  runtime: "nodejs",
-  maxDuration: 120,
-};
-
-export default app;

apps/backend/api/dist-vercel.d.ts

@@ -1,4 +0,0 @@
-declare module "*/dist/vercel.mjs" {
-  const app: typeof import("../src/server/vercel").default;
-  export default app;
-}

apps/backend/api/index.ts

@@ -1,8 +0,0 @@
-import app from "../dist/vercel.mjs";
-
-// Preserve the project-level duration inherited by routes without a pre-Elysia override.
-export const config = {
-  runtime: "nodejs",
-};
-
-export default app;

apps/backend/src/dist-vercel.d.ts

@@ -0,0 +1,6 @@
+declare module "*/dist/vercel.mjs" {
+  import type { Elysia } from "elysia";
+
+  const app: Elysia;
+  export default app;
+}

apps/backend/src/index.ts

@@ -1,6 +1,5 @@
-import "@/instrument";
-import "@/polyfills";
-import { app } from "./server/app";
-import "./server/env-expand";
+// Vercel detects native Elysia entrypoints by a direct framework import.
+import "elysia";
+import app from "../dist/vercel.mjs";
 
 export default app;

apps/backend/src/server/vercel-config.test.ts

@@ -1,39 +1,19 @@
 import { readFile } from "node:fs/promises";
 import { describe, expect, it } from "vitest";
 
-describe("Vercel function durations", () => {
-  it("preserves inherited and route-specific limits from the Next.js deployment", async () => {
-    const [vercelJson, defaultEntry, applyEntry, commitEntry, cancelEntry] = await Promise.all([
+describe("Vercel deployment configuration", () => {
+  it("uses native Elysia routing and inherits the project function duration", async () => {
+    const [vercelJson, entry] = await Promise.all([
       readFile(new URL("../../vercel.json", import.meta.url), "utf8"),
-      readFile(new URL("../../api/index.ts", import.meta.url), "utf8"),
-      readFile(new URL("../../api/config-github-apply.ts", import.meta.url), "utf8"),
-      readFile(new URL("../../api/config-github-commit.ts", import.meta.url), "utf8"),
-      readFile(new URL("../../api/config-github-cancel.ts", import.meta.url), "utf8"),
+      readFile(new URL("../index.ts", import.meta.url), "utf8"),
     ]);
 
-    expect(JSON.parse(vercelJson)).toMatchObject({
-      rewrites: [
-        {
-          source: "/api/:version/internal/config/github/apply",
-          destination: "/api/config-github-apply",
-        },
-        {
-          source: "/api/:version/internal/config/github/commit",
-          destination: "/api/config-github-commit",
-        },
-        {
-          source: "/api/:version/internal/config/github/cancel",
-          destination: "/api/config-github-cancel",
-        },
-        {
-          source: "/(.*)",
-          destination: "/api",
-        },
-      ],
-    });
-    expect(defaultEntry).not.toContain("maxDuration");
-    expect(applyEntry).toContain("maxDuration: 800");
-    expect(commitEntry).toContain("maxDuration: 120");
-    expect(cancelEntry).toContain("maxDuration: 60");
+    const config = JSON.parse(vercelJson);
+    expect(config.framework).toBe("elysia");
+    expect(config).not.toHaveProperty("rewrites");
+    expect(config).not.toHaveProperty("functions");
+    expect(entry).toContain('import "elysia"');
+    expect(entry).toContain('from "../dist/vercel.mjs"');
+    expect(entry).not.toContain("maxDuration");
   });
 });

apps/backend/vercel.json

@@ -1,12 +1,6 @@
 {
   "$schema": "https://openapi.vercel.sh/vercel.json",
-  "framework": null,
-  "rewrites": [
-    { "source": "/api/:version/internal/config/github/apply", "destination": "/api/config-github-apply" },
-    { "source": "/api/:version/internal/config/github/commit", "destination": "/api/config-github-commit" },
-    { "source": "/api/:version/internal/config/github/cancel", "destination": "/api/config-github-cancel" },
-    { "source": "/(.*)", "destination": "/api" }
-  ],
+  "framework": "elysia",
   "crons": [
     {
       "path": "/api/latest/internal/email-queue-step",