Initial import of verae-middleware from zapier monorepo

src/index.js

@@ -0,0 +1,51 @@
+/**
+ * @fileoverview Process entrypoint: HTTP listen + optional in-process poller.
+ * @module index
+ */
+
+import { createApp } from './app.js';
+import { config } from './config.js';
+import { createDebugger } from './debug/logger.js';
+import { startInProcessJobPoller } from './workers/inProcessJobPoller.js';
+import { connectNats, ensureStreams } from './nats/connection.js';
+import { startJobPollerWorker } from './workers/jobPollerWorker.js';
+import { startWebhookWorker } from './workers/webhookWorker.js';
+
+const log = createDebugger('app');
+
+/**
+ * Start the HTTP server and background workers.
+ * @returns {import('http').Server}
+ */
+export function startServer() {
+  const app = createApp();
+
+  if (config.natsEnabled) {
+    connectNats()
+      .then(({ jsm }) => ensureStreams(jsm))
+      .then(() => Promise.all([startJobPollerWorker(), startWebhookWorker()]))
+      .then(() => log.info('NATS workers started'))
+      .catch((err) => log.error('NATS worker start failed', { error: err.message }));
+  } else {
+    startInProcessJobPoller();
+  }
+
+  const server = app.listen(config.port, config.host, () => {
+    log.info('middleware listening', {
+      host: config.host,
+      port: config.port,
+      veraeApiBaseUrl: config.veraeApiBaseUrl,
+      mockVerae: config.mockVerae,
+      natsEnabled: config.natsEnabled,
+    });
+    // eslint-disable-next-line no-console
+    console.log(
+      `Verae Zapier middleware listening on http://${config.host}:${config.port}`,
+    );
+  });
+  return server;
+}
+
+if (process.argv[1]?.includes('index.js')) {
+  startServer();
+}