feat: Implement proxy functionality

server/cache/cache.go

@@ -0,0 +1,42 @@
+package cache
+
+import (
+	"context"
+	"os"
+	"time"
+
+	"github.com/redis/go-redis/v9"
+)
+
+var (
+	client *redis.Client
+	ctx    = context.Background()
+)
+
+func init() {
+	host := os.Getenv("REDIS_HOST")
+	port := os.Getenv("REDIS_PORT")
+
+	if host == "" {
+		host = "localhost"
+	}
+	if port == "" {
+		port = "6379"
+	}
+
+	client = redis.NewClient(&redis.Options{
+		Addr: host + ":" + port,
+	})
+}
+
+func Get(key string) (string, error) {
+	val, err := client.Get(ctx, key).Result()
+	if err != nil {
+		return "", err
+	}
+	return val, nil
+}
+
+func Set(key, value string, expiration time.Duration) error {
+	return client.Set(ctx, key, value, expiration).Err()
+}