I am batman

proto/user.proto

@@ -0,0 +1,69 @@
+syntax = "proto3";
+
+package user;
+
+option go_package = "go-microservices/proto/user;userpb";
+
+import "google/protobuf/empty.proto";
+
+service UserService {
+  rpc CreateUser (CreateUserRequest) returns (CreateUserResponse);
+  rpc GetUser (GetUserRequest) returns (GetUserResponse);
+  rpc UpdateUser (UpdateUserRequest) returns (UpdateUserResponse);
+  rpc DeleteUser (DeleteUserRequest) returns (google.protobuf.Empty);
+  rpc ListUsers (ListUsersRequest) returns (ListUsersResponse);
+}
+
+message User {
+  string id = 1;
+  string username = 2;
+  string email = 3;
+  string bio = 4;
+  string avatar_url = 5;
+  int64 created_at = 6;
+  int64 updated_at = 7;
+}
+
+message CreateUserRequest {
+  string username = 1;
+  string email = 2;
+  string bio = 3;
+  string avatar_url = 4;
+}
+
+message CreateUserResponse {
+  User user = 1;
+}
+
+message GetUserRequest {
+  string id = 1;
+}
+
+message GetUserResponse {
+  User user = 1;
+}
+
+message UpdateUserRequest {
+  string id = 1;
+  string username = 2;
+  string email = 3;
+  string bio = 4;
+  string avatar_url = 5;
+}
+
+message UpdateUserResponse {
+  User user = 1;
+}
+
+message DeleteUserRequest {
+  string id = 1;
+}
+
+message ListUsersRequest {
+  int32 page = 1;
+  int32 page_size = 2;
+}
+
+message ListUsersResponse {
+  repeated User users = 1;
+}