diff --git a/README.md b/README.md
index 1f10923..06b49ea 100644
--- a/README.md
+++ b/README.md
@@ -54,13 +54,14 @@ You can use `npx nx list` to get a list of installed plugins. Then, run `npx nx
 
 ## Architecture
 
-| Layer                 | Description                                                                                                                                                                                                                                                                                                                                                               |
-| --------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| dto(presentation)     | Define DTOs for GraphQL schema.                                                                                                                                                                                                                                                                                                                                           |
-| resolver(presentation) | Define GraphQL schema and resolver.                                                                                                                                                                                                                                                                                                                                       |
-| use-case(application) | Define business use cases and encapsulate business logic.                                                                                                                                                                                                                                                                                                                 |
-| entity(domain)        | Define core business entities and business rules.<br/> Maintain entity independence from database and framework.                                                                                                                                                                                                                                                          |
-| repository(domain)    | Interfaces (or abstract classes), which define methods for manipulating data without concern for specific database implementations. <br/>By defining this interface, we can decouple database access: the specific details of data access will be done by implementation classes, such as specific implementations using tools like Mongoose, TypeORM, Prisma, and so on. |
+| Layer                    | Description                                                                                                                                                                                                                                                                                                                                                               |
+| ------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| dto(presentation)        | Define DTOs for GraphQL schema.                                                                                                                                                                                                                                                                                                                                           |
+| resolver(presentation)   | Define GraphQL schema and resolver.                                                                                                                                                                                                                                                                                                                                       |
+| mongoose(infrastructure) | Implements the repository interfaces defined in the domain layer using Mongoose as the ODM (Object Document Mapper). <br/>Includes Mongoose Schema definitions, database connection management, and concrete implementations of repository interfaces (e.g., MongooseUserRepository).                                                                                     |
+| use-case(application)    | Define business use cases and encapsulate business logic.                                                                                                                                                                                                                                                                                                                 |
+| entity(domain)           | Define core business entities and business rules.<br/> Maintain entity independence from database and framework.                                                                                                                                                                                                                                                          |
+| repository(domain)       | Interfaces (or abstract classes), which define methods for manipulating data without concern for specific database implementations. <br/>By defining this interface, we can decouple database access: the specific details of data access will be done by implementation classes, such as specific implementations using tools like Mongoose, TypeORM, Prisma, and so on. |
 
 ## Useful links
 
diff --git a/libs/users/infrastructure/mongoose/README.md b/libs/users/infrastructure/mongoose/README.md
new file mode 100644
index 0000000..14cbad6
--- /dev/null
+++ b/libs/users/infrastructure/mongoose/README.md
@@ -0,0 +1,7 @@
+# users-infrastructure-mongoose
+
+This library was generated with [Nx](https://nx.dev).
+
+## Running unit tests
+
+Run `nx test users-infrastructure-mongoose` to execute the unit tests via [Jest](https://jestjs.io).
diff --git a/libs/users/infrastructure/mongoose/eslint.config.js b/libs/users/infrastructure/mongoose/eslint.config.js
new file mode 100644
index 0000000..cdd3cba
--- /dev/null
+++ b/libs/users/infrastructure/mongoose/eslint.config.js
@@ -0,0 +1,3 @@
+const baseConfig = require('../../../../eslint.config.js');
+
+module.exports = [...baseConfig];
diff --git a/libs/users/infrastructure/mongoose/jest.config.ts b/libs/users/infrastructure/mongoose/jest.config.ts
new file mode 100644
index 0000000..53af5c5
--- /dev/null
+++ b/libs/users/infrastructure/mongoose/jest.config.ts
@@ -0,0 +1,10 @@
+export default {
+  displayName: 'users-infrastructure-mongoose',
+  preset: '../../../../jest.preset.js',
+  testEnvironment: 'node',
+  transform: {
+    '^.+\\.[tj]s$': ['ts-jest', { tsconfig: '<rootDir>/tsconfig.spec.json' }],
+  },
+  moduleFileExtensions: ['ts', 'js', 'html'],
+  coverageDirectory: '../../../../coverage/libs/users/infrastructure/mongoose',
+};
diff --git a/libs/users/infrastructure/mongoose/project.json b/libs/users/infrastructure/mongoose/project.json
new file mode 100644
index 0000000..2787315
--- /dev/null
+++ b/libs/users/infrastructure/mongoose/project.json
@@ -0,0 +1,9 @@
+{
+  "name": "users-infrastructure-mongoose",
+  "$schema": "../../../../node_modules/nx/schemas/project-schema.json",
+  "sourceRoot": "libs/users/infrastructure/mongoose/src",
+  "projectType": "library",
+  "tags": [],
+  "// targets": "to see all targets run: nx show project users-infrastructure-mongoose --web",
+  "targets": {}
+}
diff --git a/libs/users/infrastructure/mongoose/src/index.ts b/libs/users/infrastructure/mongoose/src/index.ts
new file mode 100644
index 0000000..ac4244f
--- /dev/null
+++ b/libs/users/infrastructure/mongoose/src/index.ts
@@ -0,0 +1,2 @@
+export * from './lib/mongoose-user.repository';
+export * from './lib/user.schema';
\ No newline at end of file
diff --git a/libs/users/infrastructure/mongoose/src/lib/mongoose-user.repository.spec.ts b/libs/users/infrastructure/mongoose/src/lib/mongoose-user.repository.spec.ts
new file mode 100644
index 0000000..20a9466
--- /dev/null
+++ b/libs/users/infrastructure/mongoose/src/lib/mongoose-user.repository.spec.ts
@@ -0,0 +1,47 @@
+import { Test, TestingModule } from '@nestjs/testing';
+import { getModelToken } from '@nestjs/mongoose';
+import { Model } from 'mongoose';
+import { MongooseUserRepository } from './mongoose-user.repository';
+import { UserDocument } from './user.schema';
+import { User } from '@user/domain';
+
+describe('MongooseUserRepository', () => {
+  let repository: MongooseUserRepository;
+  let userModel: Model<UserDocument>;
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [
+        MongooseUserRepository,
+        {
+          provide: getModelToken(UserDocument.name),
+          useValue: {
+            findById: jest.fn(),
+          },
+        },
+      ],
+    }).compile();
+
+    repository = module.get<MongooseUserRepository>(MongooseUserRepository);
+    userModel = module.get<Model<UserDocument>>(getModelToken(UserDocument.name));
+  });
+
+  it('should return a user when found', async () => {
+    const userDoc = { id: '1', name: 'John Doe' };
+    jest.spyOn(userModel, 'findById').mockReturnValue({
+      exec: jest.fn().mockResolvedValue(userDoc),
+    } as any);
+
+    const user = await repository.findById('1');
+    expect(user).toEqual(new User('1', 'John Doe'));
+  });
+
+  it('should return null when user is not found', async () => {
+    jest.spyOn(userModel, 'findById').mockReturnValue({
+      exec: jest.fn().mockResolvedValue(null),
+    } as any);
+
+    const user = await repository.findById('1');
+    expect(user).toBeNull();
+  });
+});
\ No newline at end of file
diff --git a/libs/users/infrastructure/mongoose/src/lib/mongoose-user.repository.ts b/libs/users/infrastructure/mongoose/src/lib/mongoose-user.repository.ts
new file mode 100644
index 0000000..61af61d
--- /dev/null
+++ b/libs/users/infrastructure/mongoose/src/lib/mongoose-user.repository.ts
@@ -0,0 +1,16 @@
+import { InjectModel } from '@nestjs/mongoose';
+import { User, UserRepository } from '@user/domain';
+import { Model } from 'mongoose';
+
+import { UserDocument } from './user.schema';
+
+export class MongooseUserRepository implements UserRepository {
+  constructor(
+    @InjectModel(UserDocument.name) private userModel: Model<UserDocument>,
+  ) {}
+
+  async findById(id: string): Promise<User | null> {
+    const userDoc = await this.userModel.findById(id).exec();
+    return userDoc ? new User(userDoc.id, userDoc.name) : null;
+  }
+}
diff --git a/libs/users/infrastructure/mongoose/src/lib/user.schema.spec.ts b/libs/users/infrastructure/mongoose/src/lib/user.schema.spec.ts
new file mode 100644
index 0000000..848c5e9
--- /dev/null
+++ b/libs/users/infrastructure/mongoose/src/lib/user.schema.spec.ts
@@ -0,0 +1,36 @@
+import { Test, TestingModule } from '@nestjs/testing';
+import { getModelToken } from '@nestjs/mongoose';
+import { Model } from 'mongoose';
+import { UserDocument } from './user.schema';
+
+describe('UserDocument', () => {
+  let userModel: Model<UserDocument>;
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [
+        {
+          provide: getModelToken(UserDocument.name),
+          useValue: Model,
+        },
+      ],
+    }).compile();
+
+    userModel = module.get<Model<UserDocument>>(getModelToken(UserDocument.name));
+  });
+
+  it('should be defined', () => {
+    expect(userModel).toBeDefined();
+  });
+
+  // it('should require name field', () => {
+  //   const user = new userModel();
+  //   const error = user.validateSync();
+  //   expect(error.errors['name']).toBeDefined();
+  // });
+
+  // it('should create a user with a name', () => {
+  //   const user = new userModel({ name: 'John Doe' });
+  //   expect(user.name).toBe('John Doe');
+  // });
+});
\ No newline at end of file
diff --git a/libs/users/infrastructure/mongoose/src/lib/user.schema.ts b/libs/users/infrastructure/mongoose/src/lib/user.schema.ts
new file mode 100644
index 0000000..ff6527f
--- /dev/null
+++ b/libs/users/infrastructure/mongoose/src/lib/user.schema.ts
@@ -0,0 +1,10 @@
+import { Prop, Schema, SchemaFactory } from '@nestjs/mongoose';
+import { Document } from 'mongoose';
+
+@Schema()
+export class UserDocument extends Document {
+  @Prop({ required: true })
+  name!: string;
+}
+
+export const UserSchema = SchemaFactory.createForClass(UserDocument);
\ No newline at end of file
diff --git a/libs/users/infrastructure/mongoose/tsconfig.json b/libs/users/infrastructure/mongoose/tsconfig.json
new file mode 100644
index 0000000..07e0ec6
--- /dev/null
+++ b/libs/users/infrastructure/mongoose/tsconfig.json
@@ -0,0 +1,22 @@
+{
+  "extends": "../../../../tsconfig.base.json",
+  "compilerOptions": {
+    "module": "commonjs",
+    "forceConsistentCasingInFileNames": true,
+    "strict": true,
+    "noImplicitOverride": true,
+    "noImplicitReturns": true,
+    "noFallthroughCasesInSwitch": true,
+    "noPropertyAccessFromIndexSignature": true
+  },
+  "files": [],
+  "include": [],
+  "references": [
+    {
+      "path": "./tsconfig.lib.json"
+    },
+    {
+      "path": "./tsconfig.spec.json"
+    }
+  ]
+}
diff --git a/libs/users/infrastructure/mongoose/tsconfig.lib.json b/libs/users/infrastructure/mongoose/tsconfig.lib.json
new file mode 100644
index 0000000..28369ef
--- /dev/null
+++ b/libs/users/infrastructure/mongoose/tsconfig.lib.json
@@ -0,0 +1,11 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "module": "commonjs",
+    "outDir": "../../../../dist/out-tsc",
+    "declaration": true,
+    "types": ["node"]
+  },
+  "exclude": ["jest.config.ts", "src/**/*.spec.ts", "src/**/*.test.ts"],
+  "include": ["src/**/*.ts"]
+}
diff --git a/libs/users/infrastructure/mongoose/tsconfig.spec.json b/libs/users/infrastructure/mongoose/tsconfig.spec.json
new file mode 100644
index 0000000..6668655
--- /dev/null
+++ b/libs/users/infrastructure/mongoose/tsconfig.spec.json
@@ -0,0 +1,14 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../../../dist/out-tsc",
+    "module": "commonjs",
+    "types": ["jest", "node"]
+  },
+  "include": [
+    "jest.config.ts",
+    "src/**/*.test.ts",
+    "src/**/*.spec.ts",
+    "src/**/*.d.ts"
+  ]
+}
diff --git a/tsconfig.base.json b/tsconfig.base.json
index 5180e51..ee04d91 100644
--- a/tsconfig.base.json
+++ b/tsconfig.base.json
@@ -22,6 +22,9 @@
       ],
       "@user/domain": ["libs/user/domain/src/index.ts"],
       "@users/application": ["libs/users/application/src/index.ts"],
+      "@users/infrastructure-mongoose": [
+        "libs/users/infrastructure/mongoose/src/index.ts"
+      ],
       "@users/presentation-dto": ["libs/users/presentation/dto/src/index.ts"],
       "@users/presentation-resolver": [
         "libs/users/presentation/resolver/src/index.ts"