feat: implement Azure Blob Storage client and refactor configuration structure

scripts/az-blob/main.go

@@ -7,16 +7,15 @@ import (
 	"math/rand"
 	"sync"
 
-	"github.com/Azure/azure-sdk-for-go/sdk/storage/azblob"
+	"git.ksdemosapps.com/kylesoda/go-migrate/internal/app/azure"
+	"git.ksdemosapps.com/kylesoda/go-migrate/internal/app/config"
 )
 
 func main() {
-	accountKey := "Eby8vdM02xNOcqFlqUwJPLlmEtlCDXJ1OUzFT50uSRZ6IFsuFq2UVErCz4I6tq/K1SZFPTOtr/KBHBeksoGMGw=="
-	connStr := fmt.Sprintf("DefaultEndpointsProtocol=http;AccountName=devstoreaccount1;AccountKey=%s;BlobEndpoint=http://127.0.0.1:10000/devstoreaccount1;", accountKey)
-	containerName := "pruebas"
+	cfg := config.App.AzureStorage
+	containerName := cfg.Container
 
-	// 1. Crear cliente
-	client, err := azblob.NewClientFromConnectionString(connStr, nil)
+	client, err := azure.NewClient(cfg)
 	if err != nil {
 		log.Fatalf("Error creando cliente: %v", err)
 	}
@@ -24,17 +23,15 @@ func main() {
 
 	var wg sync.WaitGroup
 
-	// 3. Subir archivos
 	for i := 1; i <= 10; i++ {
 		wg.Add(1)
 		go func(id int) {
 			defer wg.Done()
 
-			blobName := fmt.Sprintf("archivo-%d.txt", id)
+			blobName := fmt.Sprintf("%sarchivo-%d.txt", cfg.Prefix, id)
 			content := fmt.Sprintf("Contenido aleatorio: %d", rand.Intn(100000))
 
-			// Usamos UploadBuffer
-			_, err := client.UploadBuffer(ctx, containerName, blobName, []byte(content), nil)
+			err := client.UploadBuffer(ctx, containerName, blobName, []byte(content))
 			if err != nil {
 				log.Printf("Fallo al subir %s: %v", blobName, err)
 			} else {