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Add path-prefix deployment support for migrating to podsteadr's domain

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Regress needs to live at podsteadr.atobitcoin.io/regress/ since / is
already podsteadr. Two coordinated pieces:
- VITE_BASE build arg (frontend asset/script paths, %BASE_URL% in
  index.html for the nostr-provider.js script tag)
- ROUTE_PREFIX runtime env (backend routes registered under the prefix
  via Fastify's plugin-encapsulation, including /api/health)

The nginx location must forward the prefix unstripped (proxy_pass with
no trailing path) — NIP-98 login signs the exact URL it calls, so a
stripped prefix makes the backend reconstruct a different URL than what
was signed and every login fails. Caught this with a real nginx+docker
integration test locally before it could break the live migration, then
fixed a matching bug in auth.ts (it was signing the unprefixed URL while
api.ts fetched the prefixed one). New routePrefix.test.ts proves the
prefix is actually enforced, including a negative case. 40 tests passing.

Also fixes a latent bug: import.meta.env usage had no vite/client type
reference, so it only ever passed typecheck by accident in earlier local
runs — added the standard vite-env.d.ts.
This commit is contained in:
ssmithx
2026-08-05 14:58:43 +00:00
parent df9a4ae74b
commit 517186ac55
11 changed files with 214 additions and 61 deletions
Download Patch File Download Diff File Expand all files Collapse all files
server/src/app.ts
+26 -16
View File
@@ -44,25 +44,35 @@ export async function buildApp(opts: BuildAppOptions): Promise<FastifyInstance>
await app.register(cors, { origin: true, credentials: true, methods: ['GET', 'POST', 'DELETE'] });
await app.register(nostrAuth, { db, config });
app.get('/api/health', async () => ({ status: 'ok' }));
// Everything below is mounted under ROUTE_PREFIX (empty by default, i.e.
// root) so a single build can be deployed either standalone or under a
// shared domain's path — see config.ts for why the prefix must be
// preserved end-to-end rather than stripped by the reverse proxy.
const prefix = config.ROUTE_PREFIX;
await app.register(
async (scoped) => {
scoped.get('/api/health', async () => ({ status: 'ok' }));
await app.register(authRoutes);
await app.register(placesRoutes);
await app.register(claimsRoutes);
await app.register(linksRoutes);
await app.register(fieldsRoutes);
await app.register(syncRoutes);
await scoped.register(authRoutes);
await scoped.register(placesRoutes);
await scoped.register(claimsRoutes);
await scoped.register(linksRoutes);
await scoped.register(fieldsRoutes);
await scoped.register(syncRoutes);
const staticDir = config.STATIC_DIR;
if (staticDir && existsSync(staticDir)) {
await app.register(fastifyStatic, { root: staticDir });
app.setNotFoundHandler((req, reply) => {
if (req.raw.url?.startsWith('/api/')) {
return reply.code(404).send({ error: 'not found' });
const staticDir = config.STATIC_DIR;
if (staticDir && existsSync(staticDir)) {
await scoped.register(fastifyStatic, { root: staticDir, prefix: '/' });
scoped.setNotFoundHandler((req, reply) => {
if (req.raw.url?.startsWith(`${prefix}/api/`)) {
return reply.code(404).send({ error: 'not found' });
}
return reply.sendFile('index.html');
});
}
return reply.sendFile('index.html');
});
}
},
{ prefix },
);
app.addHook('onClose', async () => {
db.close();