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

api/dependecyInjection.go

@@ -109,8 +109,28 @@ const (
 	backupsDirName       = "backups"
 )
 
+func imageStorageConfig(settings config.Settings) storage.Config {
+	if settings.Storage.Driver == config.StorageDriverS3 {
+		s3 := settings.Storage.S3
+		return storage.Config{
+			Driver: storage.DriverS3,
+			S3: storage.S3Config{
+				Bucket:          s3.Bucket,
+				Region:          s3.Region,
+				Endpoint:        s3.Endpoint,
+				AccessKeyID:     s3.AccessKeyID,
+				SecretAccessKey: s3.SecretAccessKey,
+				KeyPrefix:       s3.KeyPrefix,
+				PathStyle:       s3.PathStyle,
+				TLS:             s3.TLS,
+			},
+		}
+	}
+	return storage.Config{Driver: storage.DriverLocal, Location: settings.UploadDir}
+}
+
 func openImageStorage(settings config.Settings) domainImage.Storage {
-	imageStorage, err := storage.Open(storage.Config{Driver: storage.DriverLocal, Location: settings.UploadDir})
+	imageStorage, err := storage.Open(imageStorageConfig(settings))
 	if err != nil {
 		panic("Unable to open the image storage: " + err.Error())
 	}
@@ -268,11 +288,21 @@ func startUpdateDownloadUseCase(repos *Repositories, settings config.Settings) *
 	})
 }
 
+func backfillImageMetadata(imageRepo domainImage.Repository, imageStorage domainImage.Storage, settings config.Settings) error {
+	run := func(readable domainImage.Storage) error {
+		return useCases.NewBackfillImageMetadataUseCase(imageRepo, readable).Run()
+	}
+	if settings.Storage.Driver == config.StorageDriverS3 {
+		return storage.RunBackfillReportingReads(imageStorage, log.Default(), run)
+	}
+	return run(imageStorage)
+}
+
 func InitContainer(settings config.Settings) (*UseCases, func() error) {
 	imageStorage := openImageStorage(settings)
 	connection := openDatabase(settings)
 	repos := getRepositories(connection, settings)
-	if err := useCases.NewBackfillImageMetadataUseCase(repos.ImageRepo, imageStorage).Run(); err != nil {
+	if err := backfillImageMetadata(repos.ImageRepo, imageStorage, settings); err != nil {
 		panic("Failed to backfill image metadata: " + err.Error())
 	}
 	return getUseCases(repos, imageStorage, settings), connection.Close