Added redis and worker services

backend/src/queues/redisConnection.ts

@@ -0,0 +1,19 @@
+import type { RedisOptions } from 'bullmq';
+
+const redisUrl = process.env.REDIS_URL?.trim() || 'redis://localhost:6379';
+
+const parseRedisConnection = (): RedisOptions => {
+  const url = new URL(redisUrl);
+  const db = url.pathname && url.pathname !== '/' ? Number(url.pathname.slice(1)) : undefined;
+
+  return {
+    host: url.hostname,
+    port: url.port ? Number(url.port) : 6379,
+    username: url.username ? decodeURIComponent(url.username) : undefined,
+    password: url.password ? decodeURIComponent(url.password) : undefined,
+    db: Number.isFinite(db) ? db : undefined,
+    maxRetriesPerRequest: null,
+  };
+};
+
+export const redisConnection = parseRedisConnection();