Building Slack integration

backend/app.ts

@@ -3,6 +3,7 @@ import cors from 'cors';
 import notesRouter from './routes/notes.routes.js';
 import ingestRouter from './routes/ingest.routes.js';
 import webhooksRouter from './routes/webhooks.routes.js';
+import slackRouter from './routes/slack.routes.js';
 
 const app = express();
 
@@ -13,6 +14,10 @@ app.use(cors());
 // Moving this below express.json silently breaks every signature check.
 app.use('/v1/webhooks', express.raw({ type: '*/*', limit: '2mb' }), webhooksRouter);
 
+// Slash commands are form-encoded and signed over the same raw bytes, so this
+// router sits above express.json for the reason described above.
+app.use('/v1/slack', express.raw({ type: '*/*', limit: '2mb' }), slackRouter);
+
 app.use(express.json({ limit: '2mb' }));
 app.use('/v1/notes', ingestRouter);
 app.use('/v1/notes', notesRouter);