feat: optional S3-compatible storage for uploaded images, instead of the local upload directory

internal/infrastructure/storage/storage.go

@@ -5,17 +5,23 @@ import (
 	"fmt"
 )
 
-const DriverLocal = "local"
+const (
+	DriverLocal = "local"
+	DriverS3    = "s3"
+)
 
 type Config struct {
 	Driver   string
 	Location string
+	S3       S3Config
 }
 
 func Open(config Config) (domain.Storage, error) {
 	switch config.Driver {
 	case DriverLocal:
 		return NewLocalStorage(config.Location), nil
+	case DriverS3:
+		return OpenS3Storage(config.S3)
 	default:
 		return nil, fmt.Errorf("unsupported storage driver %q", config.Driver)
 	}