diff --git a/SETUP.md b/SETUP.md
new file mode 100644
index 0000000..e50379b
--- /dev/null
+++ b/SETUP.md
@@ -0,0 +1,22 @@
+## To update schemas
+
+1. modify schema.prisma
+
+## After changing schema
+
+1. Prisma Generate using `npx prisma generate` [OPTIONAL]
+2. Prisma Migrate `npx prisma migrate dev --name <migration-name>`
+3.
+
+### .env file
+
+```bash
+DATABASE_URL="file:./dev.db"
+```
+
+### Testing
+
+0. Modify the sample.ts file for testing
+1. Run `npm run build
+2. Run `node dist/sample.js`
+3. If needed modify services
diff --git a/package-lock.json b/package-lock.json
index fd06a8b..f33c41d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,7 +7,6 @@
     "": {
       "name": "design.email-database",
       "version": "1.0.3",
-      "hasInstallScript": true,
       "license": "ISC",
       "dependencies": {
         "@libsql/client": "^0.8.1",
diff --git a/package.json b/package.json
index b3d5be1..b82b6d7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "design.email-database",
-  "version": "1.0.3",
+  "version": "1.0.5",
   "description": "A package to access EmailStencil database",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 34c24c6..f626235 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -33,8 +33,8 @@ model Emails {
 }
 
 model Domains {
-  id        String   @id @default(cuid()) 
-  name    String
+  id      Int     @id @default(autoincrement()) 
+  name    String  @unique
   createdAt DateTime @default(now())
   updatedAt DateTime @updatedAt
 }
diff --git a/sample.ts b/sample.ts
index 1d2e0be..295e4c2 100644
--- a/sample.ts
+++ b/sample.ts
@@ -1,27 +1,29 @@
-import { db } from './lib/prisma.js';
-import { createBrand } from './services/brand.js';
-import { getEmailByQuery } from './services/email.js'
+import { db } from "./lib/prisma.js";
+import { createBrand } from "./services/brand.js";
+import { getEmailByQuery } from "./services/email.js";
+import { getBrands } from "./services/brand.js";
 
-export * from './services/email.js'
-export * from './services/brand.js'
+export * from "./services/email.js";
+export * from "./services/brand.js";
 
 async function main() {
-    const email = await createBrand({
-        name: 'test'
-    })
-    console.log(email);
+  //   const email = await createBrand({
+  //     name: "test",
+  //   });
+
+  const brands = await getBrands();
+  console.log({ brands });
 }
 
 main()
-    .then(async () => {
-        await db.$disconnect()
-    })
-    .catch(async (e) => {
-        console.error(e)
-        await db.$disconnect()
-        process.exit(1)
-    })
-
+  .then(async () => {
+    await db.$disconnect();
+  })
+  .catch(async (e) => {
+    console.error(e);
+    await db.$disconnect();
+    process.exit(1);
+  });
 
 /*
 
diff --git a/services/brand.ts b/services/brand.ts
index be297e4..2d0ee55 100644
--- a/services/brand.ts
+++ b/services/brand.ts
@@ -1,51 +1,51 @@
 import { db } from "../lib/prisma.js";
 
 export async function getBrands(offset = 0, limit = 10) {
-    const brands = await db.domains.findMany({
-        skip: offset,
-        take: limit,
-    })
-    return brands;
+  const brands = await db.domains.findMany({
+    skip: offset,
+    take: limit,
+  });
+  return brands;
 }
 
-export async function getBrand(id: string) {
-    const brand = await db.domains.findUnique({
-        where: {
-            id,
-        },
-    });
-    return brand;
+export async function getBrand(id: number) {
+  const brand = await db.domains.findUnique({
+    where: {
+      id,
+    },
+  });
+  return brand;
 }
 
 export async function getBrandByQuery(query: any) {
-    const brand = await db.domains.findUnique({
-        where: {
-            ...query,
-        },
-    });
-    return brand;
+  const brand = await db.domains.findUnique({
+    where: {
+      ...query,
+    },
+  });
+  return brand;
 }
 
-export async function deleteBrand(id: string) {
-    const brand = await db.domains.delete({
-        where: {
-            id,
-        },
-    });
-    return brand;
+export async function deleteBrand(id: number) {
+  const brand = await db.domains.delete({
+    where: {
+      id,
+    },
+  });
+  return brand;
 }
 
-export async function updateBrand(id: string, data: any) {
-    const brand = await db.domains.update({
-        where: {
-            id,
-        },
-        data,
-    });
-    return brand;
+export async function updateBrand(id: number, data: any) {
+  const brand = await db.domains.update({
+    where: {
+      id,
+    },
+    data,
+  });
+  return brand;
 }
 
 export async function createBrand(data: any) {
-    const brand = await db.domains.create({ data });
-    return brand;
-}
\ No newline at end of file
+  const brand = await db.domains.create({ data });
+  return brand;
+}
diff --git a/tsconfig.json b/tsconfig.json
index 65f3cf1..18d8ecb 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,16 +3,20 @@
     "target": "ESNext",
     "module": "ESNext",
     "moduleResolution": "bundler",
-    "declaration": false,  
+    "declaration": false,
     "outDir": "./dist",
-    "rootDir": "./",   
+    "rootDir": "./",
     "esModuleInterop": true,
     "forceConsistentCasingInFileNames": true,
     "strict": true,
     "skipLibCheck": true
   },
-  "include": ["prisma/**/*.prisma", "./services", "./lib", "index.ts"],
-  "exclude": [
-    "node_modules"
-  ]
-}
\ No newline at end of file
+  "include": [
+    "prisma/**/*.prisma",
+    "./services",
+    "./lib",
+    "index.ts",
+    "sample.ts"
+  ],
+  "exclude": ["node_modules"]
+}