update redis location

src/Server/Controllers/RedisController.cs

@@ -12,7 +12,7 @@ namespace Auth.Controllers {
         private readonly IDatabase _redisdb;
 
         public RedisController(DatabaseService db) : base(db) {
-            _redis = ConnectionMultiplexer.Connect("redis:6397");
+            _redis = ConnectionMultiplexer.Connect("auth-redis:6397");
             _redisdb = _redis.GetDatabase();
         }