feat: add support for GCS and S3 as image storage backends

.mise.toml

@@ -0,0 +1,2 @@
+[tools]
+go = "1.24.6"

deck.go

@@ -35,6 +35,7 @@ type Deck struct {
 	tableStyle         *TableStyle
 	logger             *slog.Logger
 	fresh              bool
+	imageUploader      ImageUploader
 }
 
 type Option func(*Deck) error
@@ -70,6 +71,13 @@ func WithFolderID(folderID string) Option {
 	}
 }
 
+func WithImageUploader(uploader ImageUploader) Option {
+	return func(d *Deck) error {
+		d.imageUploader = uploader
+		return nil
+	}
+}
+
 type placeholder struct {
 	objectID string
 	x        float64
@@ -345,9 +353,34 @@ func (d *Deck) initialize(ctx context.Context) (err error) {
 	}
 	driveSrv.UserAgent = userAgent
 	d.driveSrv = driveSrv
+
+	// Initialize image uploader if not already set
+	if d.imageUploader == nil {
+		uploader, err := d.createImageUploader(ctx)
+		if err != nil {
+			return fmt.Errorf("failed to create image uploader: %w", err)
+		}
+		d.imageUploader = uploader
+	}
+
 	return nil
 }
 
+// createImageUploader creates an ImageUploader based on environment variables.
+func (d *Deck) createImageUploader(ctx context.Context) (ImageUploader, error) {
+	switch GetImageStorageType() {
+	case "gcs":
+		d.logger.Debug("using GCS image storage")
+		return NewGCSUploader(ctx)
+	case "s3":
+		d.logger.Debug("using S3 image storage")
+		return NewS3Uploader(ctx)
+	default:
+		d.logger.Debug("using Google Drive image storage")
+		return NewGoogleDriveUploader(d.driveSrv, d.folderID), nil
+	}
+}
+
 func (d *Deck) createPage(ctx context.Context, index int, slide *Slide) (err error) {
 	defer func() {
 		err = errors.WithStack(err)

go.mod

@@ -3,7 +3,12 @@ module github.com/k1LoW/deck
 go 1.24.6
 
 require (
+	cloud.google.com/go/storage v1.58.0
 	github.com/Songmu/prompter v0.5.1
+	github.com/aws/aws-sdk-go-v2 v1.41.0
+	github.com/aws/aws-sdk-go-v2/config v1.32.6
+	github.com/aws/aws-sdk-go-v2/credentials v1.19.6
+	github.com/aws/aws-sdk-go-v2/service/s3 v1.95.0
 	github.com/briandowns/spinner v1.23.2
 	github.com/chromedp/chromedp v0.14.2
 	github.com/corona10/goimagehash v1.1.0
@@ -32,14 +37,39 @@ require (
 
 require (
 	cel.dev/expr v0.24.0 // indirect
+	cloud.google.com/go v0.123.0 // indirect
 	cloud.google.com/go/auth v0.18.0 // indirect
 	cloud.google.com/go/auth/oauth2adapt v0.2.8 // indirect
 	cloud.google.com/go/compute/metadata v0.9.0 // indirect
+	cloud.google.com/go/iam v1.5.3 // indirect
+	cloud.google.com/go/monitoring v1.24.3 // indirect
+	github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.30.0 // indirect
+	github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric v0.54.0 // indirect
+	github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/resourcemapping v0.54.0 // indirect
 	github.com/antlr4-go/antlr/v4 v4.13.0 // indirect
+	github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.7.4 // indirect
+	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.18.16 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/configsources v1.4.16 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.7.16 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/ini v1.8.4 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/v4a v1.4.16 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.13.4 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.9.7 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.13.16 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.19.16 // indirect
+	github.com/aws/aws-sdk-go-v2/service/signin v1.0.4 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sso v1.30.8 // indirect
+	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.35.12 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sts v1.41.5 // indirect
+	github.com/aws/smithy-go v1.24.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/chromedp/cdproto v0.0.0-20250724212937-08a3db8b4327 // indirect
 	github.com/chromedp/sysutil v1.1.0 // indirect
+	github.com/cncf/xds/go v0.0.0-20251022180443-0feb69152e9f // indirect
+	github.com/envoyproxy/go-control-plane/envoy v1.35.0 // indirect
+	github.com/envoyproxy/protoc-gen-validate v1.2.1 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
+	github.com/go-jose/go-jose/v4 v4.1.3 // indirect
 	github.com/go-json-experiment/json v0.0.0-20250725192818-e39067aee2d2 // indirect
 	github.com/go-logr/logr v1.4.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
@@ -56,21 +86,29 @@ require (
 	github.com/lestrrat-go/option v1.0.0 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 // indirect
+	github.com/planetscale/vtprotobuf v0.6.1-0.20240319094008-0393e58bdf10 // indirect
 	github.com/samber/lo v1.52.0 // indirect
 	github.com/samber/slog-common v0.19.0 // indirect
 	github.com/spf13/pflag v1.0.9 // indirect
+	github.com/spiffe/go-spiffe/v2 v2.6.0 // indirect
 	github.com/stoewer/go-strcase v1.2.0 // indirect
 	go.opentelemetry.io/auto/sdk v1.2.1 // indirect
+	go.opentelemetry.io/contrib/detectors/gcp v1.38.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.63.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.64.0 // indirect
 	go.opentelemetry.io/otel v1.39.0 // indirect
 	go.opentelemetry.io/otel/metric v1.39.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.39.0 // indirect
+	go.opentelemetry.io/otel/sdk/metric v1.39.0 // indirect
 	go.opentelemetry.io/otel/trace v1.39.0 // indirect
 	golang.org/x/crypto v0.46.0 // indirect
 	golang.org/x/exp v0.0.0-20230515195305-f3d0a9c9a5cc // indirect
 	golang.org/x/sys v0.39.0 // indirect
 	golang.org/x/term v0.38.0 // indirect
 	golang.org/x/text v0.32.0 // indirect
+	golang.org/x/time v0.14.0 // indirect
 	golang.org/x/tools v0.39.0 // indirect
+	google.golang.org/genproto v0.0.0-20251202230838-ff82c1b0f217 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20251202230838-ff82c1b0f217 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20251213004720-97cd9d5aeac2 // indirect
 	google.golang.org/grpc v1.77.0 // indirect