diff --git a/other/java/client/src/main/proto/filer.proto b/other/java/client/src/main/proto/filer.proto
index 1c22276ae..eb329e6ae 100644
--- a/other/java/client/src/main/proto/filer.proto
+++ b/other/java/client/src/main/proto/filer.proto
@@ -393,6 +393,7 @@ message RemoteConf {
     string s3_secret_key = 5;
     string s3_region = 6;
     string s3_endpoint = 7;
+    string gcs_google_application_credentials = 10;
 }
 
 message RemoteStorageMapping {
diff --git a/weed/command/imports.go b/weed/command/imports.go
index ce0bf0e10..0bf8244e7 100644
--- a/weed/command/imports.go
+++ b/weed/command/imports.go
@@ -4,6 +4,7 @@ import (
 	_ "net/http/pprof"
 
 	_ "github.com/chrislusf/seaweedfs/weed/remote_storage/s3"
+	_ "github.com/chrislusf/seaweedfs/weed/remote_storage/gcs"
 
 	_ "github.com/chrislusf/seaweedfs/weed/replication/sink/azuresink"
 	_ "github.com/chrislusf/seaweedfs/weed/replication/sink/b2sink"
diff --git a/weed/pb/filer.proto b/weed/pb/filer.proto
index 1c22276ae..eb329e6ae 100644
--- a/weed/pb/filer.proto
+++ b/weed/pb/filer.proto
@@ -393,6 +393,7 @@ message RemoteConf {
     string s3_secret_key = 5;
     string s3_region = 6;
     string s3_endpoint = 7;
+    string gcs_google_application_credentials = 10;
 }
 
 message RemoteStorageMapping {
diff --git a/weed/pb/filer_pb/filer.pb.go b/weed/pb/filer_pb/filer.pb.go
index 702f7e3df..164e8f206 100644
--- a/weed/pb/filer_pb/filer.pb.go
+++ b/weed/pb/filer_pb/filer.pb.go
@@ -3181,12 +3181,13 @@ type RemoteConf struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Type        string `protobuf:"bytes,1,opt,name=type,proto3" json:"type,omitempty"`
-	Name        string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
-	S3AccessKey string `protobuf:"bytes,4,opt,name=s3_access_key,json=s3AccessKey,proto3" json:"s3_access_key,omitempty"`
-	S3SecretKey string `protobuf:"bytes,5,opt,name=s3_secret_key,json=s3SecretKey,proto3" json:"s3_secret_key,omitempty"`
-	S3Region    string `protobuf:"bytes,6,opt,name=s3_region,json=s3Region,proto3" json:"s3_region,omitempty"`
-	S3Endpoint  string `protobuf:"bytes,7,opt,name=s3_endpoint,json=s3Endpoint,proto3" json:"s3_endpoint,omitempty"`
+	Type                            string `protobuf:"bytes,1,opt,name=type,proto3" json:"type,omitempty"`
+	Name                            string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
+	S3AccessKey                     string `protobuf:"bytes,4,opt,name=s3_access_key,json=s3AccessKey,proto3" json:"s3_access_key,omitempty"`
+	S3SecretKey                     string `protobuf:"bytes,5,opt,name=s3_secret_key,json=s3SecretKey,proto3" json:"s3_secret_key,omitempty"`
+	S3Region                        string `protobuf:"bytes,6,opt,name=s3_region,json=s3Region,proto3" json:"s3_region,omitempty"`
+	S3Endpoint                      string `protobuf:"bytes,7,opt,name=s3_endpoint,json=s3Endpoint,proto3" json:"s3_endpoint,omitempty"`
+	GcsGoogleApplicationCredentials string `protobuf:"bytes,10,opt,name=gcs_google_application_credentials,json=gcsGoogleApplicationCredentials,proto3" json:"gcs_google_application_credentials,omitempty"`
 }
 
 func (x *RemoteConf) Reset() {
@@ -3263,6 +3264,13 @@ func (x *RemoteConf) GetS3Endpoint() string {
 	return ""
 }
 
+func (x *RemoteConf) GetGcsGoogleApplicationCredentials() string {
+	if x != nil {
+		return x.GcsGoogleApplicationCredentials
+	}
+	return ""
+}
+
 type RemoteStorageMapping struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -4054,7 +4062,7 @@ var file_filer_proto_rawDesc = []byte{
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@@ -4066,146 +4074,151 @@ var file_filer_proto_rawDesc = []byte{
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 }
 
 var (
diff --git a/weed/remote_storage/gcs/gcs_storage_client.go b/weed/remote_storage/gcs/gcs_storage_client.go
new file mode 100644
index 000000000..856ebb09e
--- /dev/null
+++ b/weed/remote_storage/gcs/gcs_storage_client.go
@@ -0,0 +1,185 @@
+package s3
+
+import (
+	"cloud.google.com/go/storage"
+	"context"
+	"fmt"
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/remote_storage"
+	"github.com/chrislusf/seaweedfs/weed/util"
+	"google.golang.org/api/iterator"
+	"google.golang.org/api/option"
+	"io"
+	"io/ioutil"
+	"os"
+	"reflect"
+)
+
+func init() {
+	remote_storage.RemoteStorageClientMakers["gcs"] = new(gcsRemoteStorageMaker)
+}
+
+type gcsRemoteStorageMaker struct{}
+
+func (s gcsRemoteStorageMaker) Make(conf *filer_pb.RemoteConf) (remote_storage.RemoteStorageClient, error) {
+	client := &gcsRemoteStorageClient{
+		conf: conf,
+	}
+
+	googleApplicationCredentials := conf.GcsGoogleApplicationCredentials
+
+	if googleApplicationCredentials == "" {
+		found := false
+		googleApplicationCredentials, found = os.LookupEnv("GOOGLE_APPLICATION_CREDENTIALS")
+		if !found {
+			return nil, fmt.Errorf("need to specific GOOGLE_APPLICATION_CREDENTIALS env variable")
+		}
+	}
+
+	googleApplicationCredentials = util.ResolvePath(googleApplicationCredentials)
+
+	c, err := storage.NewClient(context.Background(), option.WithCredentialsFile(googleApplicationCredentials))
+	if err != nil {
+		return nil, fmt.Errorf("failed to create client: %v", err)
+	}
+
+	client.client = c
+	return client, nil
+}
+
+type gcsRemoteStorageClient struct {
+	conf *filer_pb.RemoteConf
+	client        *storage.Client
+}
+
+var _ = remote_storage.RemoteStorageClient(&gcsRemoteStorageClient{})
+
+func (gcs *gcsRemoteStorageClient) Traverse(loc *filer_pb.RemoteStorageLocation, visitFn remote_storage.VisitFunc) (err error) {
+
+	pathKey := loc.Path[1:]
+
+	objectIterator := gcs.client.Bucket(loc.Bucket).Objects(context.Background(), &storage.Query{
+		Delimiter: "",
+		Prefix:    pathKey,
+		Versions:  false,
+	})
+
+	var objectAttr *storage.ObjectAttrs
+	for err == nil {
+		objectAttr, err = objectIterator.Next()
+		if err != nil {
+			if err == iterator.Done {
+				return nil
+			}
+			return err
+		}
+
+		key := objectAttr.Name
+		key = "/" + key
+		dir, name := util.FullPath(key).DirAndName()
+		err = visitFn(dir, name, false, &filer_pb.RemoteEntry{
+			RemoteMtime: objectAttr.Updated.Unix(),
+			RemoteSize:  objectAttr.Size,
+			RemoteETag:  objectAttr.Etag,
+			StorageName: gcs.conf.Name,
+		})
+	}
+	return
+}
+func (gcs *gcsRemoteStorageClient) ReadFile(loc *filer_pb.RemoteStorageLocation, offset int64, size int64) (data []byte, err error) {
+
+	key := loc.Path[1:]
+	rangeReader, readErr := gcs.client.Bucket(loc.Bucket).Object(key).NewRangeReader(context.Background(), offset, size)
+	if readErr != nil {
+		return nil, readErr
+	}
+	data, err = ioutil.ReadAll(rangeReader)
+
+	if err != nil {
+		return nil, fmt.Errorf("failed to download file %s%s: %v", loc.Bucket, loc.Path, err)
+	}
+
+	return
+}
+
+func (gcs *gcsRemoteStorageClient) WriteDirectory(loc *filer_pb.RemoteStorageLocation, entry *filer_pb.Entry) (err error) {
+	return nil
+}
+
+func (gcs *gcsRemoteStorageClient) WriteFile(loc *filer_pb.RemoteStorageLocation, entry *filer_pb.Entry, reader io.Reader) (remoteEntry *filer_pb.RemoteEntry, err error) {
+
+	key := loc.Path[1:]
+
+	wc := gcs.client.Bucket(loc.Bucket).Object(key).NewWriter(context.Background())
+	if _, err = io.Copy(wc, reader); err != nil {
+		wc.Close()
+		return nil, fmt.Errorf("upload to gcs %s/%s%s: %v", loc.Name, loc.Bucket, loc.Path, err)
+	}
+	if err = wc.Close(); err != nil {
+		return nil, fmt.Errorf("close gcs %s/%s%s: %v", loc.Name, loc.Bucket, loc.Path, err)
+	}
+
+	metadata := toMetadata(entry.Extended)
+	if len(metadata) > 0 {
+		if _, err = gcs.client.Bucket(loc.Bucket).Object(key).Update(context.Background(), storage.ObjectAttrsToUpdate{
+			Metadata:           metadata,
+		}); err != nil {
+			return nil, fmt.Errorf("update metadata gcs %s/%s%s: %v", loc.Name, loc.Bucket, loc.Path, err)
+		}
+	}
+
+	// read back the remote entry
+	return gcs.readFileRemoteEntry(loc)
+
+}
+
+func (gcs *gcsRemoteStorageClient) readFileRemoteEntry(loc *filer_pb.RemoteStorageLocation) (*filer_pb.RemoteEntry, error) {
+	key := loc.Path[1:]
+	attr, err := gcs.client.Bucket(loc.Bucket).Object(key).Attrs(context.Background())
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &filer_pb.RemoteEntry{
+		RemoteMtime: attr.Updated.Unix(),
+		RemoteSize:  attr.Size,
+		RemoteETag:  attr.Etag,
+		StorageName: gcs.conf.Name,
+	}, nil
+
+}
+
+func toMetadata(attributes map[string][]byte) map[string]string {
+	metadata := make(map[string]string)
+	for k, v := range attributes {
+		metadata[k] = string(v)
+	}
+	return metadata
+}
+
+func (gcs *gcsRemoteStorageClient) UpdateFileMetadata(loc *filer_pb.RemoteStorageLocation, oldEntry *filer_pb.Entry, newEntry *filer_pb.Entry) (err error) {
+	if reflect.DeepEqual(oldEntry.Extended, newEntry.Extended) {
+		return nil
+	}
+	metadata := toMetadata(newEntry.Extended)
+
+	key := loc.Path[1:]
+
+	if len(metadata) > 0 {
+		_, err = gcs.client.Bucket(loc.Bucket).Object(key).Update(context.Background(), storage.ObjectAttrsToUpdate{
+			Metadata:           metadata,
+		})
+	} else {
+		// no way to delete the metadata yet
+	}
+
+	return
+}
+func (gcs *gcsRemoteStorageClient) DeleteFile(loc *filer_pb.RemoteStorageLocation) (err error) {
+	key := loc.Path[1:]
+	if err = gcs.client.Bucket(loc.Bucket).Object(key).Delete(context.Background()); err != nil {
+		return fmt.Errorf("gcs delete %gcs%gcs: %v", loc.Bucket, key, err)
+	}
+	return
+}
diff --git a/weed/shell/command_remote_configure.go b/weed/shell/command_remote_configure.go
index 53c7ea65d..466d42afb 100644
--- a/weed/shell/command_remote_configure.go
+++ b/weed/shell/command_remote_configure.go
@@ -52,13 +52,15 @@ func (c *commandRemoteConfigure) Do(args []string, commandEnv *CommandEnv, write
 	isDelete := remoteConfigureCommand.Bool("delete", false, "delete one remote storage by its name")
 
 	remoteConfigureCommand.StringVar(&conf.Name, "name", "", "a short name to identify the remote storage")
-	remoteConfigureCommand.StringVar(&conf.Type, "type", "s3", "storage type, currently only support s3")
+	remoteConfigureCommand.StringVar(&conf.Type, "type", "s3", "[s3|gcs] storage type")
 
 	remoteConfigureCommand.StringVar(&conf.S3AccessKey, "s3.access_key", "", "s3 access key")
 	remoteConfigureCommand.StringVar(&conf.S3SecretKey, "s3.secret_key", "", "s3 secret key")
 	remoteConfigureCommand.StringVar(&conf.S3Region, "s3.region", "us-east-2", "s3 region")
 	remoteConfigureCommand.StringVar(&conf.S3Endpoint, "s3.endpoint", "", "endpoint for s3-compatible local object store")
 
+	remoteConfigureCommand.StringVar(&conf.GcsGoogleApplicationCredentials, "gcs.appCredentialsFile", "", "google cloud storage credentials file, or leave it empty to use env GOOGLE_APPLICATION_CREDENTIALS")
+
 	if err = remoteConfigureCommand.Parse(args); err != nil {
 		return nil
 	}