first commit

internal/config/config.go

@@ -0,0 +1,38 @@
+package config
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/joho/godotenv"
+)
+
+type Config struct {
+	ServerHost string
+	ServerPort string
+	RedisURL   string
+}
+
+func Load() (*Config, error) {
+	_ = godotenv.Load()
+
+	cfg := &Config{
+		ServerHost: os.Getenv("SERVER_HOST"),
+		ServerPort: os.Getenv("SERVER_PORT"),
+		RedisURL:   os.Getenv("REDIS_URL"),
+	}
+
+	if cfg.ServerHost == "" {
+		cfg.ServerHost = "localhost"
+	}
+
+	if cfg.ServerPort == "" {
+		return nil, fmt.Errorf("server port is required")
+	}
+
+	if cfg.RedisURL == "" {
+		return nil, fmt.Errorf("redis connection url is required")
+	}
+
+	return cfg, nil
+}