re organizer project

backend/internal/config/config.go

@@ -0,0 +1,30 @@
+package config
+
+import "os"
+
+type Config struct {
+	Port         string
+	DBPath       string
+	OCREndpoint  string
+	UploadDir    string
+	HMACSecret   string
+	ServerHost   string
+}
+
+func Load() *Config {
+	return &Config{
+		Port:        envOr("PORT", "8080"),
+		DBPath:      envOr("DB_PATH", "vaultdrop.db"),
+		OCREndpoint: envOr("OCR_ENDPOINT", "http://localhost:9090"),
+		UploadDir:   envOr("UPLOAD_DIR", "./uploads"),
+		HMACSecret:  envOr("HMAC_SECRET", "thisismyrandomstring"),
+		ServerHost:  envOr("SERVER_HOST", "http://localhost:8080"),
+	}
+}
+
+func envOr(key, fallback string) string {
+	if v := os.Getenv(key); v != "" {
+		return v
+	}
+	return fallback
+}