diff --git a/bun.lockb b/bun.lockb
index 72b1d6b..9b4f15b 100755
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/package.json b/package.json
index 823fa66..603beca 100644
--- a/package.json
+++ b/package.json
@@ -49,6 +49,7 @@
     "ts-node": "^10.4.0",
     "ts-node-dev": "^2.0.0",
     "typescript": "^5.2.2",
-    "vitest": "^1.2.2"
+    "vitest": "^1.2.2",
+    "vitest-mock-extended": "^1.3.1"
   }
 }
diff --git a/prisma/seed.ts b/prisma/seed.ts
index 058c1eb..f64841c 100644
--- a/prisma/seed.ts
+++ b/prisma/seed.ts
@@ -1,8 +1,6 @@
 import type { Prisma } from '@prisma/client'
-import { PrismaClient } from '@prisma/client'
 import { cleanupDb } from '../test/utils/db.util'
-
-const prisma = new PrismaClient()
+import prisma from '../src/libs/prisma'
 
 const users: Prisma.UserCreateInput[] = [
   {
diff --git a/src/app.ts b/src/app.ts
index 6899dac..a56c551 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -16,7 +16,10 @@ const app: FastifyPluginAsync = async (fastify, opts): Promise<void> => {
   fastify.setSerializerCompiler(serializerCompiler)
 
   fastify.register(AutoLoad, {
-    dir: path.join(__dirname, 'routes'),
+    dir: path.join(__dirname, 'domains'),
+    dirNameRoutePrefix: false,
+    matchFilter: path => path.endsWith('router.ts'),
+    ignoreFilter: path => path.endsWith('.test.ts'),
     options: opts,
   })
 }
diff --git a/src/domains/example/handler/example.handler.ts b/src/domains/example/handler/example.handler.ts
new file mode 100644
index 0000000..40b03b0
--- /dev/null
+++ b/src/domains/example/handler/example.handler.ts
@@ -0,0 +1 @@
+export const exampleHandler = () => 'this is an example'
diff --git a/test/routes/example.test.ts b/src/domains/example/router/example.router.test.ts
similarity index 80%
rename from test/routes/example.test.ts
rename to src/domains/example/router/example.router.test.ts
index 3e502c8..200f5df 100644
--- a/test/routes/example.test.ts
+++ b/src/domains/example/router/example.router.test.ts
@@ -1,5 +1,5 @@
 import { it, expect } from 'vitest'
-import fastify from '../helper'
+import fastify from '../../../../test/helper'
 
 it('example is loaded', async () => {
   const res = await fastify.inject({
diff --git a/src/routes/example/index.route.ts b/src/domains/example/router/example.router.ts
similarity index 78%
rename from src/routes/example/index.route.ts
rename to src/domains/example/router/example.router.ts
index eb9b76e..d0c3a93 100644
--- a/src/routes/example/index.route.ts
+++ b/src/domains/example/router/example.router.ts
@@ -1,16 +1,15 @@
 import type { FastifyPluginAsync } from 'fastify'
 import type { ZodTypeProvider } from 'fastify-type-provider-zod'
 import { z } from 'zod'
+import { exampleHandler } from '../handler/example.handler'
 
 const example: FastifyPluginAsync = async (fastify, _opts): Promise<void> => {
   fastify
     .withTypeProvider<ZodTypeProvider>()
     .get(
-      '/',
+      '/example',
       { schema: { response: { 200: z.string() } } },
-      async (_request, _reply) => {
-        return 'this is an example'
-      },
+      exampleHandler,
     )
 }
 
diff --git a/src/domains/users/db/findAllUsers.db.ts b/src/domains/users/db/findAllUsers.db.ts
deleted file mode 100644
index 340b7e3..0000000
--- a/src/domains/users/db/findAllUsers.db.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-import type { PrismaClient } from '@prisma/client'
-
-export const findAllUsers = (prisma: PrismaClient) => prisma.user.findMany()
diff --git a/src/domains/users/db/createUser.db.ts b/src/domains/users/db/users.db.ts
similarity index 61%
rename from src/domains/users/db/createUser.db.ts
rename to src/domains/users/db/users.db.ts
index e3a0c63..9c88f5d 100644
--- a/src/domains/users/db/createUser.db.ts
+++ b/src/domains/users/db/users.db.ts
@@ -1,5 +1,5 @@
 import type { PrismaClient } from '@prisma/client'
-import type { CreateUserSchema } from '../schemas/user.schema'
+import type { CreateUserSchema } from '../schemas/users.schema'
 
 export const createUser = (prisma: PrismaClient, user: CreateUserSchema) =>
   prisma.user.create({
@@ -8,3 +8,5 @@ export const createUser = (prisma: PrismaClient, user: CreateUserSchema) =>
       name: user.name,
     },
   })
+
+export const findAllUsers = (prisma: PrismaClient) => prisma.user.findMany()
diff --git a/src/domains/users/handler/users.handler.ts b/src/domains/users/handler/users.handler.ts
new file mode 100644
index 0000000..672fe97
--- /dev/null
+++ b/src/domains/users/handler/users.handler.ts
@@ -0,0 +1,14 @@
+import { createUser, findAllUsers } from '../db/users.db'
+import prisma from '../../../libs/prisma'
+import type { FastifyReply, FastifyRequest } from 'fastify'
+import type { CreateUserSchema } from '../schemas/users.schema'
+
+export const findAllUsersHandler = () => findAllUsers(prisma)
+
+export const createUserHandler = async (
+  req: FastifyRequest<{ Body: CreateUserSchema }>,
+  reply: FastifyReply,
+) => {
+  const user = await createUser(prisma, req.body)
+  reply.code(201).send(user)
+}
diff --git a/src/routes/users/users.route.ts b/src/domains/users/router/users.router.ts
similarity index 53%
rename from src/routes/users/users.route.ts
rename to src/domains/users/router/users.router.ts
index 1c79a95..bb83ac1 100644
--- a/src/routes/users/users.route.ts
+++ b/src/domains/users/router/users.router.ts
@@ -1,22 +1,26 @@
 import type { FastifyPluginAsync } from 'fastify'
 import type { ZodTypeProvider } from 'fastify-type-provider-zod'
-import { findAllUsers } from '../../domains/users/db/findAllUsers.db'
 import {
   createUserResponseSchema,
   createUserSchema,
   findAllUsersSchema,
-} from '../../domains/users/schemas/user.schema'
-import { createUser } from '../../domains/users/db/createUser.db'
+} from '../schemas/users.schema'
+import {
+  createUserHandler,
+  findAllUsersHandler,
+} from '../handler/users.handler'
 
 const users: FastifyPluginAsync = async (fastify, _opts) => {
   fastify
     .withTypeProvider<ZodTypeProvider>()
-    .get('/', { schema: { response: { 200: findAllUsersSchema } } }, () => {
-      return findAllUsers(fastify.prisma)
-    })
+    .get(
+      '/users',
+      { schema: { response: { 200: findAllUsersSchema } } },
+      findAllUsersHandler,
+    )
 
   fastify.withTypeProvider<ZodTypeProvider>().post(
-    '/',
+    '/users',
     {
       schema: {
         body: createUserSchema,
@@ -25,10 +29,7 @@ const users: FastifyPluginAsync = async (fastify, _opts) => {
         },
       },
     },
-    async (request, reply) => {
-      const user = await createUser(fastify.prisma, request.body)
-      reply.code(201).send(user)
-    },
+    createUserHandler,
   )
 }
 
diff --git a/src/domains/users/schemas/user.schema.ts b/src/domains/users/schemas/users.schema.ts
similarity index 100%
rename from src/domains/users/schemas/user.schema.ts
rename to src/domains/users/schemas/users.schema.ts
diff --git a/src/libs/__mocks__/prisma.ts b/src/libs/__mocks__/prisma.ts
new file mode 100644
index 0000000..037d7bc
--- /dev/null
+++ b/src/libs/__mocks__/prisma.ts
@@ -0,0 +1,10 @@
+import type { PrismaClient } from '@prisma/client'
+import { beforeEach } from 'vitest'
+import { mockDeep, mockReset } from 'vitest-mock-extended'
+
+beforeEach(() => {
+  mockReset(prisma)
+})
+
+const prisma = mockDeep<PrismaClient>()
+export default prisma
diff --git a/src/libs/prisma.ts b/src/libs/prisma.ts
new file mode 100644
index 0000000..cad25fe
--- /dev/null
+++ b/src/libs/prisma.ts
@@ -0,0 +1,4 @@
+import { PrismaClient } from '@prisma/client'
+
+const prisma = new PrismaClient()
+export default prisma
diff --git a/src/plugins/prisma.plugin.ts b/src/plugins/prisma.plugin.ts
deleted file mode 100644
index 087d0c7..0000000
--- a/src/plugins/prisma.plugin.ts
+++ /dev/null
@@ -1,21 +0,0 @@
-import { PrismaClient } from '@prisma/client'
-import type { FastifyPluginAsync } from 'fastify'
-import fp from 'fastify-plugin'
-
-declare module 'fastify' {
-  interface FastifyInstance {
-    prisma: PrismaClient
-  }
-}
-
-export default fp<FastifyPluginAsync>(async (fastify, _opts) => {
-  const prisma = new PrismaClient()
-
-  await prisma.$connect()
-
-  fastify.decorate('prisma', prisma)
-
-  fastify.addHook('onClose', async fastify => {
-    await fastify.prisma.$disconnect()
-  })
-})
diff --git a/src/routes/root.route.ts b/src/routes/root.route.ts
deleted file mode 100644
index 3ce3b3b..0000000
--- a/src/routes/root.route.ts
+++ /dev/null
@@ -1,9 +0,0 @@
-import type { FastifyPluginAsync } from 'fastify'
-
-const root: FastifyPluginAsync = async (fastify, _opts): Promise<void> => {
-  fastify.get('/', async (_request, _reply) => {
-    return { root: true }
-  })
-}
-
-export default root
diff --git a/test/routes/root.test.ts b/test/routes/root.test.ts
deleted file mode 100644
index 9147cfc..0000000
--- a/test/routes/root.test.ts
+++ /dev/null
@@ -1,10 +0,0 @@
-import { it, expect } from 'vitest'
-
-import fastify from '../helper'
-
-it('default root route', async () => {
-  const res = await fastify.inject({
-    url: '/',
-  })
-  expect(JSON.parse(res.payload)).toHaveProperty('root', true)
-})