finished setting up server + added docker compose

Co-authored-by: Copilot <copilot@github.com>

apps/server/lib/redis/index.ts

@@ -0,0 +1,39 @@
+import { RedisClient } from "bun";
+
+type RedisOptions = {
+    url: string;
+    options?: Bun.RedisOptions;
+};
+
+class Redis {
+    private client: RedisClient;
+
+    constructor(options: RedisOptions) {
+        this.client = new RedisClient(options.url, options.options);
+    }
+
+    async set(key: string, value: string, expireInSeconds?: number) {
+        if (expireInSeconds) {
+            await this.client.set(key, value, "EX", expireInSeconds);
+        } else {
+            await this.client.set(key, value);
+        }
+    }
+
+    async get<T>(key: string): Promise<T | null> {
+        const value = await this.client.get(key);
+        return value ? (JSON.parse(value) as T) : null;
+    }
+
+    async del(key: string) {
+        await this.client.del(key);
+    }
+
+    async exists(key: string): Promise<boolean> {
+        return await this.client.exists(key);
+    }
+}
+
+export const redis = new Redis({
+    url: process.env.REDIS_URL || "redis://localhost:6379",
+});