Improve Self host setup (#30)

* Add self host setup

* Improve blunders

* Move to bull mq

* More changes

* Add example code for sending test emails

apps/web/src/server/redis.ts

@@ -0,0 +1,11 @@
+import IORedis from "ioredis";
+import { env } from "~/env";
+
+export let connection: IORedis | null = null;
+
+export const getRedis = () => {
+  if (!connection) {
+    connection = new IORedis(env.REDIS_URL, { maxRetriesPerRequest: null });
+  }
+  return connection;
+};