Added redis and worker services

backend/src/worker.ts

@@ -0,0 +1,61 @@
+import { Worker } from 'bullmq';
+
+import { ensureSchema } from './db/schema.js';
+import { db } from './db/client.js';
+import { runBirdMilestoneReminders, startBirdMilestoneReminderScheduler } from './app.js';
+import {
+  birdMilestoneReminderQueueName,
+  closeBirdMilestoneReminderQueue,
+  type BirdMilestoneReminderJobData,
+  type BirdMilestoneReminderJobResult,
+} from './queues/birdMilestoneReminderQueue.js';
+import { redisConnection } from './queues/redisConnection.js';
+
+let birdMilestoneWorker: Worker<BirdMilestoneReminderJobData, BirdMilestoneReminderJobResult> | null = null;
+
+const startWorker = async () => {
+  await ensureSchema();
+
+  birdMilestoneWorker = new Worker<BirdMilestoneReminderJobData, BirdMilestoneReminderJobResult>(
+    birdMilestoneReminderQueueName,
+    async (job) => {
+      const result = await runBirdMilestoneReminders(job.data.runDate);
+      console.log(
+        `Bird milestone reminder job completed for ${result.runDate}: checked=${result.checked}, sent=${result.sent}, skipped=${result.skipped}, failed=${result.failed}`,
+      );
+      return result;
+    },
+    {
+      connection: redisConnection,
+      concurrency: 1,
+    },
+  );
+
+  birdMilestoneWorker.on('failed', (job, error) => {
+    console.error(`Bird milestone reminder job failed: id=${job?.id ?? 'unknown'}`, error);
+  });
+
+  startBirdMilestoneReminderScheduler();
+  console.log('FlockPal worker started.');
+};
+
+const shutdown = async (signal: string) => {
+  console.log(`FlockPal worker received ${signal}; shutting down.`);
+  await birdMilestoneWorker?.close();
+  await closeBirdMilestoneReminderQueue();
+  await db.close();
+  process.exit(0);
+};
+
+process.on('SIGINT', () => {
+  void shutdown('SIGINT');
+});
+
+process.on('SIGTERM', () => {
+  void shutdown('SIGTERM');
+});
+
+startWorker().catch((error) => {
+  console.error('Failed to start FlockPal worker', error);
+  process.exit(1);
+});