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feat(deploy): deploy Vercel as frontend and backend services

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Vercel now deploys Reactive Resume as two services in one project:
`frontend` serves the static Vite build from apps/web/dist, and
`backend` runs the Hono server Function from apps/server. Top-level
rewrites send server-owned paths (/api, /uploads, /mcp, /.well-known,
robots.txt, sitemap.xml, llms.txt, schema.json, index.html) and every
path without a file extension to `backend`, so HTML shells keep their
injected SEO metadata. Paths with a file extension go to `frontend`.

The service builder needs a few accommodations:

- apps/server/vercel.mjs replaces api/index.mjs as the entrypoint,
  because a service entrypoint must exist before the build runs.
- `outputDirectory: "."` stops the builder from using the Docker
  entrypoint in dist/ as the Function handler.
- The builder loads external CommonJS dependencies through pnpm links
  that it leaves out of the Function. ioredis and react-reconciler are
  now bundled with their dependencies, and bcrypt is replaced with
  bcryptjs, which reads and writes the same $2b$ hashes.

The Vercel compatibility workflow now builds with the services
framework and loads a copy of the backend Function outside the
checkout, so a dependency missing from the Function fails CI. The stale
PDFKit trace checks are removed.

Existing Vercel installations must set Framework Preset to Services
before redeploying; the self-hosting guide documents this.
This commit is contained in:
Amruth Pillai
2026-09-30 00:17:24 +02:00
parent d4265e76e0
commit 725be158c0
19 changed files with 113 additions and 114 deletions
Download Patch File Download Diff File Expand all files Collapse all files
.github/workflows/vercel.yml
+21 -15
View File
@@ -58,29 +58,35 @@ jobs:
import { writeFileSync } from 'node:fs';
writeFileSync('.vercel/project.json', JSON.stringify({
projectId: 'prj_ci', orgId: 'team_ci', projectName: 'reactive-resume-ci',
settings: { framework: null, nodeVersion: '24.x', createdAt: 0 }
settings: { framework: 'services', nodeVersion: '24.x', createdAt: 0 }
}));
JS
pnpm dlx --allow-build=esbuild vercel@60.0.1 build --prod --yes --global-config "$RUNNER_TEMP/vercel-offline"
- name: Check Lambda module loading and function budget
pnpm dlx --allow-build=esbuild vercel@61.0.0 build --prod --yes --global-config "$RUNNER_TEMP/vercel-offline"
# Runs the backend Function from a copy outside the checkout, so a dependency the build left out fails here.
- name: Check backend Function loading and budget
run: |
node --no-experimental-require-module --input-type=module - <<'JS'
import assert from 'node:assert/strict';
import { readFileSync, readdirSync } from 'node:fs';
const config = JSON.parse(readFileSync('.vercel/output/functions/api/index.func/.vc-config.json'));
import { cpSync, lstatSync, mkdirSync, readFileSync, readlinkSync, symlinkSync } from 'node:fs';
import { dirname, join } from 'node:path';
const func = '.vercel/output/services/backend/functions/index.func';
const config = JSON.parse(readFileSync(`${func}/.vc-config.json`));
assert.equal(config.runtime, 'nodejs24.x');
assert.equal(config.maxDuration, 300);
const tracedFiles = Object.keys(config.filePathMap ?? {});
assert.ok(tracedFiles.some((path) => path.endsWith('/pdfkit/js/standard-fonts/Helvetica.cjs')));
assert.ok(tracedFiles.some((path) => path.endsWith('/pdfkit/js/data/Helvetica.afm')));
for (const name of readdirSync('apps/server/dist')) {
if (name.endsWith('.mjs') && !['index.mjs', 'prepare-deployment.mjs'].includes(name)) {
await import(`./apps/server/dist/${name}`);
}
assert.equal(config.handler, 'apps/server/vercel.mjs');
const root = join(process.env.RUNNER_TEMP, 'backend-function');
cpSync(func, root, { recursive: true, verbatimSymlinks: true });
for (const [path, source] of Object.entries(config.filePathMap ?? {})) {
mkdirSync(dirname(join(root, path)), { recursive: true });
if (lstatSync(source).isSymbolicLink()) symlinkSync(readlinkSync(source), join(root, path));
else cpSync(source, join(root, path));
}
const { default: app } = await import('./apps/server/dist/vercel.mjs');
const response = await app.fetch(new Request('http://localhost:3000/api/storage/stage', { method: 'POST', body: '{}' }));
assert.equal(response.status, 401);
const { default: app } = await import(join(root, config.handler));
const stage = await app.fetch(new Request('http://localhost:3000/api/storage/stage', { method: 'POST', body: '{}' }));
assert.equal(stage.status, 401);
const home = await app.fetch(new Request('http://localhost:3000/'));
assert.equal(home.status, 200);
assert.match(await home.text(), /application\/ld\+json/);
process.exit(0);
JS