diff --git a/.gitea/workflows/publish-go.yml b/.gitea/workflows/publish-go.yml
new file mode 100644
index 0000000..daba1dc
--- /dev/null
+++ b/.gitea/workflows/publish-go.yml
@@ -0,0 +1,36 @@
+name: Publish Go Bondings
+
+on:
+  push:
+    tags:
+      - 'v*.*.*'
+
+jobs:
+  Publish Go package action:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.22'
+
+      - name: Install protoc
+        run: |
+          sudo apt update
+          sudo apt install -y protobuf-compiler
+
+      - name: Install Go Protobuf
+        run: /
+             go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.34.1
+             go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@v1.4.0
+
+      - name: Generate Go protobuf
+        run: bash ./srcipts/generate-go.sh
+
+
+
+
+
diff --git a/.gitea/workflows/publish.yml b/.gitea/workflows/publish-npm.yml
similarity index 100%
rename from .gitea/workflows/publish.yml
rename to .gitea/workflows/publish-npm.yml
diff --git a/gen/auth.ts b/gen/auth.ts
deleted file mode 100644
index 0f50146..0000000
--- a/gen/auth.ts
+++ /dev/null
@@ -1,62 +0,0 @@
-// Code generated by protoc-gen-ts_proto. DO NOT EDIT.
-// versions:
-//   protoc-gen-ts_proto  v2.11.0
-//   protoc               v6.33.4
-// source: auth.proto
-
-/* eslint-disable */
-import { GrpcMethod, GrpcStreamMethod } from "@nestjs/microservices";
-import { Observable } from "rxjs";
-
-export const protobufPackage = "auth.v1";
-
-export interface SendOtpRequest {
-  identifier: string;
-  type: string;
-}
-
-export interface SendOtpResponse {
-  ok: boolean;
-}
-
-export interface VerifyOtpRequest {
-  identifier: string;
-  type: string;
-  code: string;
-}
-
-export interface VerifyOtpResponse {
-  accessToken: string;
-  refreshToken: string;
-}
-
-export const AUTH_V1_PACKAGE_NAME = "auth.v1";
-
-export interface AuthServiceClient {
-  sendOtp(request: SendOtpRequest): Observable<SendOtpResponse>;
-
-  verifyOtp(request: VerifyOtpRequest): Observable<VerifyOtpResponse>;
-}
-
-export interface AuthServiceController {
-  sendOtp(request: SendOtpRequest): Promise<SendOtpResponse> | Observable<SendOtpResponse> | SendOtpResponse;
-
-  verifyOtp(request: VerifyOtpRequest): Promise<VerifyOtpResponse> | Observable<VerifyOtpResponse> | VerifyOtpResponse;
-}
-
-export function AuthServiceControllerMethods() {
-  return function (constructor: Function) {
-    const grpcMethods: string[] = ["sendOtp", "verifyOtp"];
-    for (const method of grpcMethods) {
-      const descriptor: any = Reflect.getOwnPropertyDescriptor(constructor.prototype, method);
-      GrpcMethod("AuthService", method)(constructor.prototype[method], method, descriptor);
-    }
-    const grpcStreamMethods: string[] = [];
-    for (const method of grpcStreamMethods) {
-      const descriptor: any = Reflect.getOwnPropertyDescriptor(constructor.prototype, method);
-      GrpcStreamMethod("AuthService", method)(constructor.prototype[method], method, descriptor);
-    }
-  };
-}
-
-export const AUTH_SERVICE_NAME = "AuthService";
diff --git a/gen/go/media/media.pb.go b/gen/go/media/media.pb.go
new file mode 100644
index 0000000..e5b50e4
--- /dev/null
+++ b/gen/go/media/media.pb.go
@@ -0,0 +1,425 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.36.11
+// 	protoc        v6.33.4
+// source: media.proto
+
+package media
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+	unsafe "unsafe"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type UploadRequest struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	FileName      string                 `protobuf:"bytes,1,opt,name=file_name,json=fileName,proto3" json:"file_name,omitempty"`
+	Folder        string                 `protobuf:"bytes,2,opt,name=folder,proto3" json:"folder,omitempty"`
+	ContentType   string                 `protobuf:"bytes,3,opt,name=content_type,json=contentType,proto3" json:"content_type,omitempty"`
+	Data          []byte                 `protobuf:"bytes,4,opt,name=data,proto3" json:"data,omitempty"`
+	ResizeWidth   *int32                 `protobuf:"varint,5,opt,name=resize_width,json=resizeWidth,proto3,oneof" json:"resize_width,omitempty"`
+	ResizeHeight  *int32                 `protobuf:"varint,6,opt,name=resize_height,json=resizeHeight,proto3,oneof" json:"resize_height,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *UploadRequest) Reset() {
+	*x = UploadRequest{}
+	mi := &file_media_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *UploadRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UploadRequest) ProtoMessage() {}
+
+func (x *UploadRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_media_proto_msgTypes[0]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use UploadRequest.ProtoReflect.Descriptor instead.
+func (*UploadRequest) Descriptor() ([]byte, []int) {
+	return file_media_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *UploadRequest) GetFileName() string {
+	if x != nil {
+		return x.FileName
+	}
+	return ""
+}
+
+func (x *UploadRequest) GetFolder() string {
+	if x != nil {
+		return x.Folder
+	}
+	return ""
+}
+
+func (x *UploadRequest) GetContentType() string {
+	if x != nil {
+		return x.ContentType
+	}
+	return ""
+}
+
+func (x *UploadRequest) GetData() []byte {
+	if x != nil {
+		return x.Data
+	}
+	return nil
+}
+
+func (x *UploadRequest) GetResizeWidth() int32 {
+	if x != nil && x.ResizeWidth != nil {
+		return *x.ResizeWidth
+	}
+	return 0
+}
+
+func (x *UploadRequest) GetResizeHeight() int32 {
+	if x != nil && x.ResizeHeight != nil {
+		return *x.ResizeHeight
+	}
+	return 0
+}
+
+type UploadResponse struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Key           string                 `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *UploadResponse) Reset() {
+	*x = UploadResponse{}
+	mi := &file_media_proto_msgTypes[1]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *UploadResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UploadResponse) ProtoMessage() {}
+
+func (x *UploadResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_media_proto_msgTypes[1]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use UploadResponse.ProtoReflect.Descriptor instead.
+func (*UploadResponse) Descriptor() ([]byte, []int) {
+	return file_media_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *UploadResponse) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
+type GetRequest struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Key           string                 `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *GetRequest) Reset() {
+	*x = GetRequest{}
+	mi := &file_media_proto_msgTypes[2]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *GetRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetRequest) ProtoMessage() {}
+
+func (x *GetRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_media_proto_msgTypes[2]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetRequest.ProtoReflect.Descriptor instead.
+func (*GetRequest) Descriptor() ([]byte, []int) {
+	return file_media_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *GetRequest) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
+type GetResponse struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Data          []byte                 `protobuf:"bytes,1,opt,name=data,proto3" json:"data,omitempty"`
+	ContentType   string                 `protobuf:"bytes,2,opt,name=content_type,json=contentType,proto3" json:"content_type,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *GetResponse) Reset() {
+	*x = GetResponse{}
+	mi := &file_media_proto_msgTypes[3]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *GetResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetResponse) ProtoMessage() {}
+
+func (x *GetResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_media_proto_msgTypes[3]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetResponse.ProtoReflect.Descriptor instead.
+func (*GetResponse) Descriptor() ([]byte, []int) {
+	return file_media_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *GetResponse) GetData() []byte {
+	if x != nil {
+		return x.Data
+	}
+	return nil
+}
+
+func (x *GetResponse) GetContentType() string {
+	if x != nil {
+		return x.ContentType
+	}
+	return ""
+}
+
+type DeleteRequest struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Key           string                 `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *DeleteRequest) Reset() {
+	*x = DeleteRequest{}
+	mi := &file_media_proto_msgTypes[4]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *DeleteRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DeleteRequest) ProtoMessage() {}
+
+func (x *DeleteRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_media_proto_msgTypes[4]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DeleteRequest.ProtoReflect.Descriptor instead.
+func (*DeleteRequest) Descriptor() ([]byte, []int) {
+	return file_media_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *DeleteRequest) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
+type DeleteResponse struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Ok            bool                   `protobuf:"varint,1,opt,name=ok,proto3" json:"ok,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *DeleteResponse) Reset() {
+	*x = DeleteResponse{}
+	mi := &file_media_proto_msgTypes[5]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *DeleteResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DeleteResponse) ProtoMessage() {}
+
+func (x *DeleteResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_media_proto_msgTypes[5]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DeleteResponse.ProtoReflect.Descriptor instead.
+func (*DeleteResponse) Descriptor() ([]byte, []int) {
+	return file_media_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *DeleteResponse) GetOk() bool {
+	if x != nil {
+		return x.Ok
+	}
+	return false
+}
+
+var File_media_proto protoreflect.FileDescriptor
+
+const file_media_proto_rawDesc = "" +
+	"\n" +
+	"\vmedia.proto\x12\bmedia.v1\"\xf0\x01\n" +
+	"\rUploadRequest\x12\x1b\n" +
+	"\tfile_name\x18\x01 \x01(\tR\bfileName\x12\x16\n" +
+	"\x06folder\x18\x02 \x01(\tR\x06folder\x12!\n" +
+	"\fcontent_type\x18\x03 \x01(\tR\vcontentType\x12\x12\n" +
+	"\x04data\x18\x04 \x01(\fR\x04data\x12&\n" +
+	"\fresize_width\x18\x05 \x01(\x05H\x00R\vresizeWidth\x88\x01\x01\x12(\n" +
+	"\rresize_height\x18\x06 \x01(\x05H\x01R\fresizeHeight\x88\x01\x01B\x0f\n" +
+	"\r_resize_widthB\x10\n" +
+	"\x0e_resize_height\"\"\n" +
+	"\x0eUploadResponse\x12\x10\n" +
+	"\x03key\x18\x01 \x01(\tR\x03key\"\x1e\n" +
+	"\n" +
+	"GetRequest\x12\x10\n" +
+	"\x03key\x18\x01 \x01(\tR\x03key\"D\n" +
+	"\vGetResponse\x12\x12\n" +
+	"\x04data\x18\x01 \x01(\fR\x04data\x12!\n" +
+	"\fcontent_type\x18\x02 \x01(\tR\vcontentType\"!\n" +
+	"\rDeleteRequest\x12\x10\n" +
+	"\x03key\x18\x01 \x01(\tR\x03key\" \n" +
+	"\x0eDeleteResponse\x12\x0e\n" +
+	"\x02ok\x18\x01 \x01(\bR\x02ok2\xbc\x01\n" +
+	"\fMediaService\x12;\n" +
+	"\x06Upload\x12\x17.media.v1.UploadRequest\x1a\x18.media.v1.UploadResponse\x122\n" +
+	"\x03Get\x12\x14.media.v1.GetRequest\x1a\x15.media.v1.GetResponse\x12;\n" +
+	"\x06Delete\x12\x17.media.v1.DeleteRequest\x1a\x18.media.v1.DeleteResponseB;P\x01Z7git.ksv741.keenetic.pro/teacinema/contracts/media;mediab\x06proto3"
+
+var (
+	file_media_proto_rawDescOnce sync.Once
+	file_media_proto_rawDescData []byte
+)
+
+func file_media_proto_rawDescGZIP() []byte {
+	file_media_proto_rawDescOnce.Do(func() {
+		file_media_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_media_proto_rawDesc), len(file_media_proto_rawDesc)))
+	})
+	return file_media_proto_rawDescData
+}
+
+var file_media_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
+var file_media_proto_goTypes = []any{
+	(*UploadRequest)(nil),  // 0: media.v1.UploadRequest
+	(*UploadResponse)(nil), // 1: media.v1.UploadResponse
+	(*GetRequest)(nil),     // 2: media.v1.GetRequest
+	(*GetResponse)(nil),    // 3: media.v1.GetResponse
+	(*DeleteRequest)(nil),  // 4: media.v1.DeleteRequest
+	(*DeleteResponse)(nil), // 5: media.v1.DeleteResponse
+}
+var file_media_proto_depIdxs = []int32{
+	0, // 0: media.v1.MediaService.Upload:input_type -> media.v1.UploadRequest
+	2, // 1: media.v1.MediaService.Get:input_type -> media.v1.GetRequest
+	4, // 2: media.v1.MediaService.Delete:input_type -> media.v1.DeleteRequest
+	1, // 3: media.v1.MediaService.Upload:output_type -> media.v1.UploadResponse
+	3, // 4: media.v1.MediaService.Get:output_type -> media.v1.GetResponse
+	5, // 5: media.v1.MediaService.Delete:output_type -> media.v1.DeleteResponse
+	3, // [3:6] is the sub-list for method output_type
+	0, // [0:3] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_media_proto_init() }
+func file_media_proto_init() {
+	if File_media_proto != nil {
+		return
+	}
+	file_media_proto_msgTypes[0].OneofWrappers = []any{}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_media_proto_rawDesc), len(file_media_proto_rawDesc)),
+			NumEnums:      0,
+			NumMessages:   6,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_media_proto_goTypes,
+		DependencyIndexes: file_media_proto_depIdxs,
+		MessageInfos:      file_media_proto_msgTypes,
+	}.Build()
+	File_media_proto = out.File
+	file_media_proto_goTypes = nil
+	file_media_proto_depIdxs = nil
+}
diff --git a/gen/go/media/media_grpc.pb.go b/gen/go/media/media_grpc.pb.go
new file mode 100644
index 0000000..4256a67
--- /dev/null
+++ b/gen/go/media/media_grpc.pb.go
@@ -0,0 +1,197 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.6.1
+// - protoc             v6.33.4
+// source: media.proto
+
+package media
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.64.0 or later.
+const _ = grpc.SupportPackageIsVersion9
+
+const (
+	MediaService_Upload_FullMethodName = "/media.v1.MediaService/Upload"
+	MediaService_Get_FullMethodName    = "/media.v1.MediaService/Get"
+	MediaService_Delete_FullMethodName = "/media.v1.MediaService/Delete"
+)
+
+// MediaServiceClient is the client API for MediaService service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type MediaServiceClient interface {
+	Upload(ctx context.Context, in *UploadRequest, opts ...grpc.CallOption) (*UploadResponse, error)
+	Get(ctx context.Context, in *GetRequest, opts ...grpc.CallOption) (*GetResponse, error)
+	Delete(ctx context.Context, in *DeleteRequest, opts ...grpc.CallOption) (*DeleteResponse, error)
+}
+
+type mediaServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewMediaServiceClient(cc grpc.ClientConnInterface) MediaServiceClient {
+	return &mediaServiceClient{cc}
+}
+
+func (c *mediaServiceClient) Upload(ctx context.Context, in *UploadRequest, opts ...grpc.CallOption) (*UploadResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(UploadResponse)
+	err := c.cc.Invoke(ctx, MediaService_Upload_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *mediaServiceClient) Get(ctx context.Context, in *GetRequest, opts ...grpc.CallOption) (*GetResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(GetResponse)
+	err := c.cc.Invoke(ctx, MediaService_Get_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *mediaServiceClient) Delete(ctx context.Context, in *DeleteRequest, opts ...grpc.CallOption) (*DeleteResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(DeleteResponse)
+	err := c.cc.Invoke(ctx, MediaService_Delete_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// MediaServiceServer is the server API for MediaService service.
+// All implementations must embed UnimplementedMediaServiceServer
+// for forward compatibility.
+type MediaServiceServer interface {
+	Upload(context.Context, *UploadRequest) (*UploadResponse, error)
+	Get(context.Context, *GetRequest) (*GetResponse, error)
+	Delete(context.Context, *DeleteRequest) (*DeleteResponse, error)
+	mustEmbedUnimplementedMediaServiceServer()
+}
+
+// UnimplementedMediaServiceServer must be embedded to have
+// forward compatible implementations.
+//
+// NOTE: this should be embedded by value instead of pointer to avoid a nil
+// pointer dereference when methods are called.
+type UnimplementedMediaServiceServer struct{}
+
+func (UnimplementedMediaServiceServer) Upload(context.Context, *UploadRequest) (*UploadResponse, error) {
+	return nil, status.Error(codes.Unimplemented, "method Upload not implemented")
+}
+func (UnimplementedMediaServiceServer) Get(context.Context, *GetRequest) (*GetResponse, error) {
+	return nil, status.Error(codes.Unimplemented, "method Get not implemented")
+}
+func (UnimplementedMediaServiceServer) Delete(context.Context, *DeleteRequest) (*DeleteResponse, error) {
+	return nil, status.Error(codes.Unimplemented, "method Delete not implemented")
+}
+func (UnimplementedMediaServiceServer) mustEmbedUnimplementedMediaServiceServer() {}
+func (UnimplementedMediaServiceServer) testEmbeddedByValue()                      {}
+
+// UnsafeMediaServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to MediaServiceServer will
+// result in compilation errors.
+type UnsafeMediaServiceServer interface {
+	mustEmbedUnimplementedMediaServiceServer()
+}
+
+func RegisterMediaServiceServer(s grpc.ServiceRegistrar, srv MediaServiceServer) {
+	// If the following call panics, it indicates UnimplementedMediaServiceServer was
+	// embedded by pointer and is nil.  This will cause panics if an
+	// unimplemented method is ever invoked, so we test this at initialization
+	// time to prevent it from happening at runtime later due to I/O.
+	if t, ok := srv.(interface{ testEmbeddedByValue() }); ok {
+		t.testEmbeddedByValue()
+	}
+	s.RegisterService(&MediaService_ServiceDesc, srv)
+}
+
+func _MediaService_Upload_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(UploadRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(MediaServiceServer).Upload(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: MediaService_Upload_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(MediaServiceServer).Upload(ctx, req.(*UploadRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _MediaService_Get_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(MediaServiceServer).Get(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: MediaService_Get_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(MediaServiceServer).Get(ctx, req.(*GetRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _MediaService_Delete_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeleteRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(MediaServiceServer).Delete(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: MediaService_Delete_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(MediaServiceServer).Delete(ctx, req.(*DeleteRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// MediaService_ServiceDesc is the grpc.ServiceDesc for MediaService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var MediaService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "media.v1.MediaService",
+	HandlerType: (*MediaServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Upload",
+			Handler:    _MediaService_Upload_Handler,
+		},
+		{
+			MethodName: "Get",
+			Handler:    _MediaService_Get_Handler,
+		},
+		{
+			MethodName: "Delete",
+			Handler:    _MediaService_Delete_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "media.proto",
+}
diff --git a/gen/ts/account.ts b/gen/ts/account.ts
new file mode 100644
index 0000000..9e57a22
--- /dev/null
+++ b/gen/ts/account.ts
@@ -0,0 +1,127 @@
+// Code generated by protoc-gen-ts_proto. DO NOT EDIT.
+// versions:
+//   protoc-gen-ts_proto  v2.11.0
+//   protoc               v6.33.4
+// source: account.proto
+
+/* eslint-disable */
+import { GrpcMethod, GrpcStreamMethod } from "@nestjs/microservices";
+import { Observable } from "rxjs";
+
+export const protobufPackage = "account.v1";
+
+export enum Role {
+  USER = 0,
+  ADMIN = 1,
+  UNRECOGNIZED = -1,
+}
+
+export interface GetAccountRequest {
+  id: string;
+}
+
+export interface GetAccountResponse {
+  id: string;
+  phone: string;
+  email: string;
+  isPhoneVerified: boolean;
+  isEmailVerified: boolean;
+  role: Role;
+}
+
+export interface InitEmailChangeRequest {
+  email: string;
+  userId: string;
+}
+
+export interface InitEmailChangeResponse {
+  ok: boolean;
+}
+
+export interface ConfirmEmailChangeRequest {
+  email: string;
+  code: string;
+  userId: string;
+}
+
+export interface ConfirmEmailChangeResponse {
+  ok: boolean;
+}
+
+export interface InitPhoneChangeRequest {
+  phone: string;
+  userId: string;
+}
+
+export interface InitPhoneChangeResponse {
+  ok: boolean;
+}
+
+export interface ConfirmPhoneChangeRequest {
+  phone: string;
+  code: string;
+  userId: string;
+}
+
+export interface ConfirmPhoneChangeResponse {
+  ok: boolean;
+}
+
+export const ACCOUNT_V1_PACKAGE_NAME = "account.v1";
+
+export interface AccountServiceClient {
+  getAccount(request: GetAccountRequest): Observable<GetAccountResponse>;
+
+  initEmailChange(request: InitEmailChangeRequest): Observable<InitEmailChangeResponse>;
+
+  confirmEmailChange(request: ConfirmEmailChangeRequest): Observable<ConfirmEmailChangeResponse>;
+
+  initPhoneChange(request: InitPhoneChangeRequest): Observable<InitPhoneChangeResponse>;
+
+  confirmPhoneChange(request: ConfirmPhoneChangeRequest): Observable<ConfirmPhoneChangeResponse>;
+}
+
+export interface AccountServiceController {
+  getAccount(
+    request: GetAccountRequest,
+  ): Promise<GetAccountResponse> | Observable<GetAccountResponse> | GetAccountResponse;
+
+  initEmailChange(
+    request: InitEmailChangeRequest,
+  ): Promise<InitEmailChangeResponse> | Observable<InitEmailChangeResponse> | InitEmailChangeResponse;
+
+  confirmEmailChange(
+    request: ConfirmEmailChangeRequest,
+  ): Promise<ConfirmEmailChangeResponse> | Observable<ConfirmEmailChangeResponse> | ConfirmEmailChangeResponse;
+
+  initPhoneChange(
+    request: InitPhoneChangeRequest,
+  ): Promise<InitPhoneChangeResponse> | Observable<InitPhoneChangeResponse> | InitPhoneChangeResponse;
+
+  confirmPhoneChange(
+    request: ConfirmPhoneChangeRequest,
+  ): Promise<ConfirmPhoneChangeResponse> | Observable<ConfirmPhoneChangeResponse> | ConfirmPhoneChangeResponse;
+}
+
+export function AccountServiceControllerMethods() {
+  return function (constructor: Function) {
+    const grpcMethods: string[] = [
+      "getAccount",
+      "initEmailChange",
+      "confirmEmailChange",
+      "initPhoneChange",
+      "confirmPhoneChange",
+    ];
+    for (const method of grpcMethods) {
+      const descriptor: any = Reflect.getOwnPropertyDescriptor(constructor.prototype, method);
+      GrpcMethod("AccountService", method)(constructor.prototype[method], method, descriptor);
+    }
+    const grpcStreamMethods: string[] = [];
+    for (const method of grpcStreamMethods) {
+      const descriptor: any = Reflect.getOwnPropertyDescriptor(constructor.prototype, method);
+      GrpcStreamMethod("AccountService", method)(constructor.prototype[method], method, descriptor);
+    }
+  };
+}
+
+export const ACCOUNT_SERVICE_NAME = "AccountService";
diff --git a/gen/ts/auth.ts b/gen/ts/auth.ts
new file mode 100644
index 0000000..60034e7
--- /dev/null
+++ b/gen/ts/auth.ts
@@ -0,0 +1,143 @@
+// Code generated by protoc-gen-ts_proto. DO NOT EDIT.
+// versions:
+//   protoc-gen-ts_proto  v2.11.0
+//   protoc               v6.33.4
+// source: auth.proto
+
+/* eslint-disable */
+import { GrpcMethod, GrpcStreamMethod } from "@nestjs/microservices";
+import { Observable } from "rxjs";
+import { Empty } from "./google/protobuf/empty";
+
+export const protobufPackage = "auth.v1";
+
+export interface SendOtpRequest {
+  identifier: string;
+  type: string;
+}
+
+export interface SendOtpResponse {
+  ok: boolean;
+}
+
+export interface VerifyOtpRequest {
+  identifier: string;
+  type: string;
+  code: string;
+}
+
+export interface VerifyOtpResponse {
+  accessToken: string;
+  refreshToken: string;
+}
+
+export interface RefreshRequest {
+  refreshToken: string;
+}
+
+export interface RefreshResponse {
+  accessToken: string;
+  refreshToken: string;
+}
+
+export interface TelegramInitResponse {
+  url: string;
+}
+
+export interface TelegramVerifyRequest {
+  query: { [key: string]: string };
+}
+
+export interface TelegramVerifyRequest_QueryEntry {
+  key: string;
+  value: string;
+}
+
+export interface TelegramVerifyResponse {
+  url?: string | undefined;
+  accessToken?: string | undefined;
+  refreshToken?: string | undefined;
+}
+
+export interface TelegramCompleteRequest {
+  sessionId: string;
+  phone: string;
+}
+
+export interface TelegramCompleteResponse {
+  sessionId: string;
+}
+
+export interface TelegramConsumeRequest {
+  sessionId: string;
+}
+
+export interface TelegramConsumeResponse {
+  accessToken: string;
+  refreshToken: string;
+}
+
+export const AUTH_V1_PACKAGE_NAME = "auth.v1";
+
+export interface AuthServiceClient {
+  sendOtp(request: SendOtpRequest): Observable<SendOtpResponse>;
+
+  verifyOtp(request: VerifyOtpRequest): Observable<VerifyOtpResponse>;
+
+  refresh(request: RefreshRequest): Observable<RefreshResponse>;
+
+  telegramInit(request: Empty): Observable<TelegramInitResponse>;
+
+  telegramVerify(request: TelegramVerifyRequest): Observable<TelegramVerifyResponse>;
+
+  telegramComplete(request: TelegramCompleteRequest): Observable<TelegramCompleteResponse>;
+
+  telegramConsume(request: TelegramConsumeRequest): Observable<TelegramConsumeResponse>;
+}
+
+export interface AuthServiceController {
+  sendOtp(request: SendOtpRequest): Promise<SendOtpResponse> | Observable<SendOtpResponse> | SendOtpResponse;
+
+  verifyOtp(request: VerifyOtpRequest): Promise<VerifyOtpResponse> | Observable<VerifyOtpResponse> | VerifyOtpResponse;
+
+  refresh(request: RefreshRequest): Promise<RefreshResponse> | Observable<RefreshResponse> | RefreshResponse;
+
+  telegramInit(request: Empty): Promise<TelegramInitResponse> | Observable<TelegramInitResponse> | TelegramInitResponse;
+
+  telegramVerify(
+    request: TelegramVerifyRequest,
+  ): Promise<TelegramVerifyResponse> | Observable<TelegramVerifyResponse> | TelegramVerifyResponse;
+
+  telegramComplete(
+    request: TelegramCompleteRequest,
+  ): Promise<TelegramCompleteResponse> | Observable<TelegramCompleteResponse> | TelegramCompleteResponse;
+
+  telegramConsume(
+    request: TelegramConsumeRequest,
+  ): Promise<TelegramConsumeResponse> | Observable<TelegramConsumeResponse> | TelegramConsumeResponse;
+}
+
+export function AuthServiceControllerMethods() {
+  return function (constructor: Function) {
+    const grpcMethods: string[] = [
+      "sendOtp",
+      "verifyOtp",
+      "refresh",
+      "telegramInit",
+      "telegramVerify",
+      "telegramComplete",
+      "telegramConsume",
+    ];
+    for (const method of grpcMethods) {
+      const descriptor: any = Reflect.getOwnPropertyDescriptor(constructor.prototype, method);
+      GrpcMethod("AuthService", method)(constructor.prototype[method], method, descriptor);
+    }
+    const grpcStreamMethods: string[] = [];
+    for (const method of grpcStreamMethods) {
+      const descriptor: any = Reflect.getOwnPropertyDescriptor(constructor.prototype, method);
+      GrpcStreamMethod("AuthService", method)(constructor.prototype[method], method, descriptor);
+    }
+  };
+}
+
+export const AUTH_SERVICE_NAME = "AuthService";
diff --git a/gen/ts/google/protobuf/empty.ts b/gen/ts/google/protobuf/empty.ts
new file mode 100644
index 0000000..dc8b718
--- /dev/null
+++ b/gen/ts/google/protobuf/empty.ts
@@ -0,0 +1,23 @@
+// Code generated by protoc-gen-ts_proto. DO NOT EDIT.
+// versions:
+//   protoc-gen-ts_proto  v2.11.0
+//   protoc               v6.33.4
+// source: google/protobuf/empty.proto
+
+/* eslint-disable */
+
+export const protobufPackage = "google.protobuf";
+
+/**
+ * A generic empty message that you can re-use to avoid defining duplicated
+ * empty messages in your APIs. A typical example is to use it as the request
+ * or the response type of an API method. For instance:
+ *
+ *     service Foo {
+ *       rpc Bar(google.protobuf.Empty) returns (google.protobuf.Empty);
+ *     }
+ */
+export interface Empty {
+}
+
+export const GOOGLE_PROTOBUF_PACKAGE_NAME = "google.protobuf";
diff --git a/gen/ts/media.ts b/gen/ts/media.ts
new file mode 100644
index 0000000..99dc4d0
--- /dev/null
+++ b/gen/ts/media.ts
@@ -0,0 +1,76 @@
+// Code generated by protoc-gen-ts_proto. DO NOT EDIT.
+// versions:
+//   protoc-gen-ts_proto  v2.11.0
+//   protoc               v6.33.4
+// source: media.proto
+
+/* eslint-disable */
+import { GrpcMethod, GrpcStreamMethod } from "@nestjs/microservices";
+import { Observable } from "rxjs";
+
+export const protobufPackage = "media.v1";
+
+export interface UploadRequest {
+  fileName: string;
+  folder: string;
+  contentType: string;
+  data: Uint8Array;
+  resizeWidth?: number | undefined;
+  resizeHeight?: number | undefined;
+}
+
+export interface UploadResponse {
+  key: string;
+}
+
+export interface GetRequest {
+  key: string;
+}
+
+export interface GetResponse {
+  data: Uint8Array;
+  contentType: string;
+}
+
+export interface DeleteRequest {
+  key: string;
+}
+
+export interface DeleteResponse {
+  ok: boolean;
+}
+
+export const MEDIA_V1_PACKAGE_NAME = "media.v1";
+
+export interface MediaServiceClient {
+  upload(request: UploadRequest): Observable<UploadResponse>;
+
+  get(request: GetRequest): Observable<GetResponse>;
+
+  delete(request: DeleteRequest): Observable<DeleteResponse>;
+}
+
+export interface MediaServiceController {
+  upload(request: UploadRequest): Promise<UploadResponse> | Observable<UploadResponse> | UploadResponse;
+
+  get(request: GetRequest): Promise<GetResponse> | Observable<GetResponse> | GetResponse;
+
+  delete(request: DeleteRequest): Promise<DeleteResponse> | Observable<DeleteResponse> | DeleteResponse;
+}
+
+export function MediaServiceControllerMethods() {
+  return function (constructor: Function) {
+    const grpcMethods: string[] = ["upload", "get", "delete"];
+    for (const method of grpcMethods) {
+      const descriptor: any = Reflect.getOwnPropertyDescriptor(constructor.prototype, method);
+      GrpcMethod("MediaService", method)(constructor.prototype[method], method, descriptor);
+    }
+    const grpcStreamMethods: string[] = [];
+    for (const method of grpcStreamMethods) {
+      const descriptor: any = Reflect.getOwnPropertyDescriptor(constructor.prototype, method);
+      GrpcStreamMethod("MediaService", method)(constructor.prototype[method], method, descriptor);
+    }
+  };
+}
+
+export const MEDIA_SERVICE_NAME = "MediaService";
diff --git a/gen/ts/users.ts b/gen/ts/users.ts
new file mode 100644
index 0000000..96bf6ea
--- /dev/null
+++ b/gen/ts/users.ts
@@ -0,0 +1,81 @@
+// Code generated by protoc-gen-ts_proto. DO NOT EDIT.
+// versions:
+//   protoc-gen-ts_proto  v2.11.0
+//   protoc               v6.33.4
+// source: users.proto
+
+/* eslint-disable */
+import { GrpcMethod, GrpcStreamMethod } from "@nestjs/microservices";
+import { Observable } from "rxjs";
+
+export const protobufPackage = "users.v1";
+
+export interface GetMeRequest {
+  id: string;
+}
+
+export interface GetMeResponse {
+  user: User | undefined;
+}
+
+export interface CreateUserRequest {
+  id: string;
+}
+
+export interface CreateUserResponse {
+  ok: boolean;
+}
+
+export interface User {
+  id: string;
+  name?: string | undefined;
+  phone?: string | undefined;
+  email?: string | undefined;
+  avatar?: string | undefined;
+}
+
+export interface PatchUserRequest {
+  userId: string;
+  name?: string | undefined;
+}
+
+export interface PatchUserResponse {
+  ok: boolean;
+}
+
+export const USERS_V1_PACKAGE_NAME = "users.v1";
+
+export interface UsersServiceClient {
+  getMe(request: GetMeRequest): Observable<GetMeResponse>;
+
+  createUser(request: CreateUserRequest): Observable<CreateUserResponse>;
+
+  patchUser(request: PatchUserRequest): Observable<PatchUserResponse>;
+}
+
+export interface UsersServiceController {
+  getMe(request: GetMeRequest): Promise<GetMeResponse> | Observable<GetMeResponse> | GetMeResponse;
+
+  createUser(
+    request: CreateUserRequest,
+  ): Promise<CreateUserResponse> | Observable<CreateUserResponse> | CreateUserResponse;
+
+  patchUser(request: PatchUserRequest): Promise<PatchUserResponse> | Observable<PatchUserResponse> | PatchUserResponse;
+}
+
+export function UsersServiceControllerMethods() {
+  return function (constructor: Function) {
+    const grpcMethods: string[] = ["getMe", "createUser", "patchUser"];
+    for (const method of grpcMethods) {
+      const descriptor: any = Reflect.getOwnPropertyDescriptor(constructor.prototype, method);
+      GrpcMethod("UsersService", method)(constructor.prototype[method], method, descriptor);
+    }
+    const grpcStreamMethods: string[] = [];
+    for (const method of grpcStreamMethods) {
+      const descriptor: any = Reflect.getOwnPropertyDescriptor(constructor.prototype, method);
+      GrpcStreamMethod("UsersService", method)(constructor.prototype[method], method, descriptor);
+    }
+  };
+}
+
+export const USERS_SERVICE_NAME = "UsersService";
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..8d2ed1f
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module git.ksv741.keenetic.pro/teacinema/contracts
+
+go 1.26.1
diff --git a/package.json b/package.json
index 51e0e92..c98357b 100644
--- a/package.json
+++ b/package.json
@@ -1,10 +1,10 @@
 {
   "name": "@teacinema/contracts",
-  "version": "1.1.3",
+  "version": "1.1.4",
   "description": "Protocol Buffers contracts for microservices",
   "scripts": {
     "build": "tsc -p tsconfig.build.json",
-    "generate": "npx protoc -I ./proto ./proto/*.proto --ts_proto_out=./gen --ts_proto_opt=nestJs=true,package=omit",
+    "generate": "npx protoc -I ./proto ./proto/*.proto --ts_proto_out=./gen/ts --ts_proto_opt=nestJs=true,package=omit",
     "docs": "typedoc"
   },
   "main": "./dist/index.js",
diff --git a/proto/media.proto b/proto/media.proto
new file mode 100644
index 0000000..26f86a9
--- /dev/null
+++ b/proto/media.proto
@@ -0,0 +1,43 @@
+syntax = "proto3";
+
+package media.v1;
+
+option go_package = "git.ksv741.keenetic.pro/teacinema/contracts/media;media";
+option java_multiple_files = true;
+
+
+service MediaService {
+  rpc Upload (UploadRequest) returns (UploadResponse);
+  rpc Get (GetRequest) returns (GetResponse);
+  rpc Delete (DeleteRequest) returns (DeleteResponse);
+}
+
+message UploadRequest {
+  string file_name = 1;
+  string folder = 2;
+  string content_type = 3;
+  bytes data = 4;
+  optional int32 resize_width = 5;
+  optional int32 resize_height = 6;
+}
+
+message UploadResponse {
+  string key = 1;
+}
+
+message GetRequest {
+  string key = 1;
+}
+
+message GetResponse {
+  bytes data = 1;
+  string content_type = 2;
+}
+
+message DeleteRequest {
+  string key = 1;
+}
+
+message DeleteResponse {
+  bool ok = 1;
+}
diff --git a/scripts/generate_go.sh b/scripts/generate_go.sh
new file mode 100644
index 0000000..c25a7cf
--- /dev/null
+++ b/scripts/generate_go.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+set -e
+
+echo "Generating Go protobuf (media).…."
+
+protoc -I ./proto \
+  --go_out=./gen/go \
+  --go-grpc_out=./gen/go \
+  --go_opt=module=git.ksv741.keenetic.pro/teacinema/contracts \
+  --go-grpc_opt=module=git.ksv741.keenetic.pro/teacinema/contracts \
+  ./proto/media.proto
+
+echo "Go generation complete."