Make it possible to actually use redis for caching through the config flags

server/cache/redis.go

@@ -36,13 +36,9 @@ func (r *RedisCache) Remove(key string) {
 	}
 }
 
-func NewRedisCache() ICache {
+func NewRedisCache(opts *redis.Options) ICache {
 	return &RedisCache{
 		context.Background(),
-		redis.NewClient(&redis.Options{
-			Addr:     "localhost:6379",
-			Password: "", // no password set
-			DB:       0,  // use default DB
-		}),
+		redis.NewClient(opts),
 	}
 }