Refactor project structure

internal/app/app.go

@@ -0,0 +1,33 @@
+package app
+
+import (
+	"fmt"
+	"os"
+)
+
+type App struct {
+	RegistryName     string
+	RegistryURL      string
+	RegistryUsername string
+	RegistryPassword string
+}
+
+func NewApp() (*App, error) {
+	registryName := os.Getenv("REGISTRY_NAME")
+	if registryName == "" {
+		return nil, fmt.Errorf("REGISTRY_NAME not found in .env")
+	}
+
+	registryUsername := os.Getenv("REGISTRY_USERNAME")
+	registryPassword := os.Getenv("REGISTRY_PASSWORD")
+	if registryUsername == "" || registryPassword == "" {
+		return nil, fmt.Errorf("REGISTRY_USERNAME or REGISTRY_PASSWORD not found in .env")
+	}
+
+	return &App{
+		RegistryName:     registryName,
+		RegistryURL:      "https://" + registryName,
+		RegistryUsername: registryUsername,
+		RegistryPassword: registryPassword,
+	}, nil
+}