diff --git a/.doc/doc.md b/.doc/doc.md
index cce2396..11a20ba 100644
--- a/.doc/doc.md
+++ b/.doc/doc.md
@@ -1,3 +1,3 @@
 # write postman link
 
-https://m27lab.postman.co/workspace/M27LAB~849f4e55-931f-4f55-96d9-fad5e24d1590/collection/12238877-777ce19b-5ed0-4a9d-ada9-74506e32d70e?action=share&source=copy-link&creator=12238877&active-environment=fed60369-7ea2-443c-b309-5a013b681d7d
\ No newline at end of file
+https://m27lab.postman.co/workspace/M27LAB~849f4e55-931f-4f55-96d9-fad5e24d1590/collection/12238877-777ce19b-5ed0-4a9d-ada9-74506e32d70e?action=share&creator=12238877&active-environment=12238877-fed60369-7ea2-443c-b309-5a013b681d7d
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 52cf4e0..dc11328 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -9,6 +9,7 @@
         "appleboy",
         "bolditalics",
         "datetime",
+        "dbml",
         "eturino",
         "expirable",
         "flushall",
diff --git a/readme.md b/readme.md
index 96bbe4c..2e5d325 100644
--- a/readme.md
+++ b/readme.md
@@ -43,7 +43,7 @@ npx nestpress@latest module category blog
 ## Update npm dependencies
 
 ```bash
-# Updates all dependencies in package.json
+# Updates all dependencies in package.json (not important, it might break the project)
 pnpm all:update
 
 # run test to check the app is working fine or not
@@ -58,11 +58,16 @@ pnpm test
 -   run `npm run test` for integration test
 -   for testing we are using `vitest, supertest`
 
+## Generate database diagram via dbml
+
+-   run `pnpm dbml:generate`
+-   copy content from `resources/dbml/schema.dbml` and put `https://dbdiagram.io/d` to visualize
+
 ## API endpoints and doc
 
 -   BASE url: http://localhost:4000/v1
 -   Swagger Doc url: [Not Implemented]
--   in `.doc` folder a postman json file `postman-collection.json` is available import it on your postman
+-   in `.doc` folder a postman json file `postman-collection.json` is available import it on your postman, or maybe there is live link just open that login into your postman and export collection.
     -   you need add an environment in postman with variable `url=http://localhost:4000`
 
 ## Code Snippet on vscode
diff --git a/resources/dbml/.gitkeep b/resources/dbml/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/resources/dbml/schema.dbml b/resources/dbml/schema.dbml
new file mode 100644
index 0000000..75fc4cd
--- /dev/null
+++ b/resources/dbml/schema.dbml
@@ -0,0 +1,20 @@
+table user_table {
+  id varchar(50) [pk, not null]
+  full_name varchar(255) [not null]
+  phone varchar(20) [unique]
+  email varchar(255) [not null, unique]
+  password varchar(255) [not null]
+  gender enum('male','female') [not null, default: 'male']
+  avatar varchar(255)
+  is_email_verified boolean [not null, default: false]
+  is_super_admin boolean [not null, default: false]
+  country_code varchar(5) [not null, default: 'BD']
+  city varchar(50)
+  state varchar(50)
+  zip_code varchar(50)
+  address varchar(255)
+  time_zone varchar(50) [not null, default: 'Asia/Dhaka']
+  fcm_token varchar(255)
+  last_logged_in datetime [not null, default: `(CURRENT_TIMESTAMP)`]
+  created_at datetime [not null, default: `(CURRENT_TIMESTAMP)`]
+}
\ No newline at end of file