fix(redis): connect redis client in production and preview

src/services/redis.ts

@@ -1,6 +1,9 @@
 import Redis from 'ioredis';
 
-const client = new Redis();
+const client = new Redis({
+  host: process.env.REDIS_HOST,
+  password: process.env.REDIS_PASSWORD,
+  port: process.env.REDIS_PORT
+});
 
 export default client;
-

src/types/env.d.ts

@@ -1,13 +1,15 @@
 namespace NodeJS {
   interface ProcessEnv {
     readonly VERCEL_ENV: 'preview' | 'development' | 'production';
-    readonly NEXT_PUBLIC_VERCEL_URL: string;
 
     readonly NEXT_PUBLIC_JWT_SECRET: string;
-
     readonly NEXTAUTH_SECRET: string;
     readonly FLASK_SECRET: string;
-    readonly CRON_SECRET: string;
+    readonly SVG_FETCH_SECRET: string;
+
+    readonly REDIS_HOST?: string;
+    readonly REDIS_PASSWORD?: string;
+    readonly REDIS_PORT?: number;
 
     readonly GITHUB_ID: string;
     readonly GITHUB_SECRET: string;