diff --git a/server/.env b/server/.env
deleted file mode 100644
index 7ec0442..0000000
--- a/server/.env
+++ /dev/null
@@ -1,5 +0,0 @@
-ENV=development
-PORT=5000
-SECRET=aE8efkEP8+V/ibEQl8IKbw==
-
-DB_NAME=todoListDev
\ No newline at end of file
diff --git a/server/.gitignore b/server/.gitignore
index 66d3bf4..d545b9d 100644
--- a/server/.gitignore
+++ b/server/.gitignore
@@ -1,5 +1,5 @@
 node_modules
 dist
 coverage
-.env.development
+.env
 .env.test
\ No newline at end of file
diff --git a/server/package.json b/server/package.json
index 93bd0fc..2fc2b69 100644
--- a/server/package.json
+++ b/server/package.json
@@ -22,6 +22,7 @@
     "uuid": "^8.3.2"
   },
   "devDependencies": {
+    "@faker-js/faker": "^7.3.0",
     "@types/bcrypt": "^5.0.0",
     "@types/express": "^4.17.13",
     "@types/jest": "^28.1.4",
diff --git a/server/src/controller/project.controller.ts b/server/src/controller/project.controller.ts
index a8c785b..beb7964 100644
--- a/server/src/controller/project.controller.ts
+++ b/server/src/controller/project.controller.ts
@@ -45,7 +45,7 @@ router.delete(`${apiNamespace}/:id`, async (req, res, next) => {
   const projecToBeDeleted = userProjects.find(project => project.id === projectId)
 
   if (projecToBeDeleted) {
-    const success = await ProjectService.destroyProject(projecToBeDeleted)
+    const success = await ProjectService.destroy(projecToBeDeleted)
 
     if (success) {
       res.json({ success })
diff --git a/server/src/dto/newTaskDto.ts b/server/src/dto/newTaskDto.ts
new file mode 100644
index 0000000..ba084c6
--- /dev/null
+++ b/server/src/dto/newTaskDto.ts
@@ -0,0 +1,3 @@
+export type NewTaskDto = {
+  description: string;
+}
\ No newline at end of file
diff --git a/server/src/entity/__test__/project.entity.spec.ts b/server/src/entity/__test__/project.entity.spec.ts
index 3ddc9fd..82f714a 100644
--- a/server/src/entity/__test__/project.entity.spec.ts
+++ b/server/src/entity/__test__/project.entity.spec.ts
@@ -1,3 +1,4 @@
+import { faker } from "@faker-js/faker";
 import { AppDataSource } from "../../infra/dataSource";
 import { projectRepository } from "../../repository/project.repository";
 import { userRepository } from "../../repository/user.repository";
@@ -10,23 +11,23 @@ describe("Project", () => {
   });
   afterAll(async () => {
     await cleanDataSource(AppDataSource);
-    await AppDataSource.destroy()
-  })
+    await AppDataSource.destroy();
+  });
 
   describe("relations", () => {
-    it("should have many projects", async () => {
+    it("should belongs a one user", async () => {
       const user = await userRepository.save({
         name: "John Doe",
-        email: "john.doe@example.com",
-        encryptedPassword: 'encryptedPassword'
-      })
+        email: faker.internet.email(),
+        encryptedPassword: "encryptedPassword",
+      });
 
       const project = await projectRepository.save({
         name: "My first project",
         user,
-      })
+      });
 
-      expect(project.user.id).toBe(user.id)
+      expect(project.user.id).toBe(user.id);
     });
   });
 });
diff --git a/server/src/entity/__test__/task.entity.spec.ts b/server/src/entity/__test__/task.entity.spec.ts
new file mode 100644
index 0000000..27f750a
--- /dev/null
+++ b/server/src/entity/__test__/task.entity.spec.ts
@@ -0,0 +1,63 @@
+import { faker } from "@faker-js/faker";
+import { AppDataSource } from "../../infra/dataSource";
+import { projectRepository } from "../../repository/project.repository";
+import { taskRepository } from "../../repository/task.repository";
+import { userRepository } from "../../repository/user.repository";
+import { cleanDataSource } from "../../utils/cleanDataSource";
+
+describe("Task", () => {
+  beforeAll(async () => {
+    await AppDataSource.initialize();
+    await cleanDataSource(AppDataSource);
+  });
+  afterAll(async () => {
+    await cleanDataSource(AppDataSource);
+    await AppDataSource.destroy();
+  });
+
+  describe("relations", () => {
+    it("should belongs a one project", async () => {
+      const user = await userRepository.save({
+        email: faker.internet.email(),
+        encryptedPassword: "encryptedPassword",
+      });
+
+      const project = await projectRepository.save({
+        name: "My first project",
+        user,
+      });
+
+      const task = await taskRepository.save({
+        description: "My first task",
+        project,
+        createdAt: new Date(),
+      });
+
+      expect(task.project.id).toBe(project.id);
+    });
+  });
+
+  describe("date fields", () => {
+    it("should return date fields as Date objects", async () => {
+      const user = await userRepository.save({
+        email: faker.internet.email(),
+        encryptedPassword: "encryptedPassword",
+      });
+
+      const project = await projectRepository.save({
+        name: "My secound project",
+        user,
+      });
+
+      const task = await taskRepository.save({
+        description: "My secound task",
+        project,
+        createdAt: new Date(),
+        finishedAt: new Date(),
+      });
+
+      expect(task.createdAt).toBeInstanceOf(Date);
+      expect(task.finishedAt).toBeInstanceOf(Date);
+    });
+  });
+});
diff --git a/server/src/entity/__test__/user.entity.spec.ts b/server/src/entity/__test__/user.entity.spec.ts
index ee4ca83..c936c6b 100644
--- a/server/src/entity/__test__/user.entity.spec.ts
+++ b/server/src/entity/__test__/user.entity.spec.ts
@@ -1,3 +1,4 @@
+import { faker } from "@faker-js/faker";
 import { AppDataSource } from "../../infra/dataSource";
 import { userRepository } from "../../repository/user.repository";
 import { cleanDataSource } from "../../utils/cleanDataSource";
@@ -11,8 +12,8 @@ describe("User", () => {
   });
   afterAll(async () => {
     await cleanDataSource(AppDataSource);
-    await AppDataSource.destroy()
-  })
+    await AppDataSource.destroy();
+  });
 
   describe("relations", () => {
     it("should have many projects", async () => {
@@ -21,13 +22,13 @@ describe("User", () => {
 
       Object.assign(user, {
         name: "John Doe",
-        email: "john.doe@example.com",
+        email: faker.internet.email(),
         encryptedPassword: "encryptedPassword",
       });
 
       Object.assign(user2, {
         name: "Luis Doe",
-        email: "luis.doe@example.com",
+        email: faker.internet.email(),
         encryptedPassword: "encryptedPassword",
       });
 
@@ -40,10 +41,10 @@ describe("User", () => {
       user.projects = [project1, proejct2];
 
       await userRepository.save(user);
-      await userRepository.save(user2)
+      await userRepository.save(user2);
 
       expect(user.projects).toHaveLength(2);
-      expect(user2.projects).toBeUndefined()
+      expect(user2.projects).toBeUndefined();
     });
   });
 });
diff --git a/server/src/entity/project.entity.ts b/server/src/entity/project.entity.ts
index c3c8640..adcab87 100644
--- a/server/src/entity/project.entity.ts
+++ b/server/src/entity/project.entity.ts
@@ -1,18 +1,24 @@
-import { IsNotEmpty } from "class-validator"
-import { Entity, PrimaryGeneratedColumn, Column, OneToMany, ManyToOne, JoinColumn } from "typeorm"
-import { User } from "./user.entity"
+import { IsNotEmpty } from "class-validator";
+import {
+    Column, Entity, JoinColumn, ManyToOne, OneToMany, PrimaryGeneratedColumn
+} from "typeorm";
+import { Task } from "./task.entity";
+import { User } from "./user.entity";
 
 @Entity()
 export class Project {
-    @PrimaryGeneratedColumn()
-    id: number
+  @PrimaryGeneratedColumn()
+  id: number;
 
-    @Column()
-    @IsNotEmpty()
-    name: string
+  @Column()
+  @IsNotEmpty()
+  name: string;
 
-    @ManyToOne((_type) => User, (user) => user.projects)
-    @JoinColumn()
-    @IsNotEmpty()
-    user: User
+  @ManyToOne((_type) => User, (user) => user.projects)
+  @JoinColumn()
+  @IsNotEmpty()
+  user: User;
+
+  @OneToMany((_type) => Task, (item) => item.project)
+  tasks?: Task[];
 }
diff --git a/server/src/entity/task.entity.ts b/server/src/entity/task.entity.ts
new file mode 100644
index 0000000..283d304
--- /dev/null
+++ b/server/src/entity/task.entity.ts
@@ -0,0 +1,31 @@
+import { IsNotEmpty } from "class-validator";
+import {
+  Column,
+  Entity,
+  JoinColumn,
+  ManyToOne,
+  PrimaryGeneratedColumn
+} from "typeorm";
+import { Project } from "./project.entity";
+
+@Entity()
+export class Task {
+  @PrimaryGeneratedColumn()
+  id: number;
+
+  @Column()
+  @IsNotEmpty()
+  description: string;
+
+  @Column({ type: "timestamptz" })
+  @IsNotEmpty()
+  createdAt: Date;
+
+  @Column({ type: "timestamptz", nullable: true })
+  finishedAt?: Date;
+
+  @ManyToOne((_type) => Project, (project) => project.tasks)
+  @JoinColumn()
+  @IsNotEmpty()
+  project: Project;
+}
diff --git a/server/src/entity/user.entity.ts b/server/src/entity/user.entity.ts
index 2efd175..29a4d6e 100644
--- a/server/src/entity/user.entity.ts
+++ b/server/src/entity/user.entity.ts
@@ -1,20 +1,22 @@
-import { IsEmail, IsNotEmpty } from "class-validator"
-import { Entity, PrimaryGeneratedColumn, Column, OneToMany, AfterLoad } from "typeorm"
-import { Project } from "./project.entity"
+import { IsEmail, IsNotEmpty } from "class-validator";
+import {
+    Column, Entity, OneToMany, PrimaryGeneratedColumn
+} from "typeorm";
+import { Project } from "./project.entity";
 
 @Entity()
 export class User {
-    @PrimaryGeneratedColumn()
-    id: number
+  @PrimaryGeneratedColumn()
+  id: number;
 
-    @Column({ unique: true })
-    @IsEmail()
-    @IsNotEmpty()
-    email: string
+  @Column({ unique: true })
+  @IsEmail()
+  @IsNotEmpty()
+  email: string;
 
-    @Column()
-    encryptedPassword: string
+  @Column()
+  encryptedPassword: string;
 
-    @OneToMany((_type) => Project, (item) => item.user)
-    projects?: Project[]
+  @OneToMany((_type) => Project, (item) => item.user)
+  projects?: Project[];
 }
diff --git a/server/src/infra/dataSource.ts b/server/src/infra/dataSource.ts
index b5b37ed..5f8a866 100644
--- a/server/src/infra/dataSource.ts
+++ b/server/src/infra/dataSource.ts
@@ -2,6 +2,7 @@ import * as dotenv from 'dotenv';
 import "reflect-metadata";
 import { DataSource } from "typeorm";
 import { Project } from "../entity/project.entity";
+import { Task } from '../entity/task.entity';
 import { User } from "../entity/user.entity";
 
 dotenv.config();
@@ -14,7 +15,7 @@ export const AppDataSource = new DataSource({
     database: process.env.DB_NAME,
     synchronize: true,
     logging: false,
-    entities: [User, Project],
+    entities: [User, Project, Task],
     migrations: [],
     subscribers: [],
 })
diff --git a/server/src/repository/task.repository.ts b/server/src/repository/task.repository.ts
new file mode 100644
index 0000000..be43458
--- /dev/null
+++ b/server/src/repository/task.repository.ts
@@ -0,0 +1,4 @@
+import { Task } from "../entity/task.entity";
+import { AppDataSource } from "../infra/dataSource";
+
+export const taskRepository = AppDataSource.getRepository(Task)
diff --git a/server/src/service/project.service.ts b/server/src/service/project.service.ts
index 6ba4f45..fec5161 100644
--- a/server/src/service/project.service.ts
+++ b/server/src/service/project.service.ts
@@ -28,7 +28,7 @@ async function listAllByUserId(userId: User["id"]): Promise<Project[]> {
   return query.getMany();
 }
 
-async function destroyProject(project: Project): Promise<boolean>{
+async function destroy(project: Project): Promise<boolean>{
   const query = projectRepository.createQueryBuilder();
   query.where('"id" = :projectId', { projectId: project.id });
 
@@ -40,5 +40,5 @@ async function destroyProject(project: Project): Promise<boolean>{
 export const ProjectService = {
   create,
   listAllByUserId,
-  destroyProject
+  destroy
 };
diff --git a/server/src/service/task.service.ts b/server/src/service/task.service.ts
new file mode 100644
index 0000000..6b0427a
--- /dev/null
+++ b/server/src/service/task.service.ts
@@ -0,0 +1,37 @@
+import { NewTaskDto } from "../dto/newTaskDto";
+import { Project } from "../entity/project.entity";
+import { Task } from "../entity/task.entity";
+import { taskRepository } from "../repository/task.repository";
+
+async function finish(task: Task) {
+  if (task.finishedAt) {
+    throw new Error("Task already finished");
+  }
+
+  task.finishedAt = new Date();
+
+  return taskRepository.save(task);
+}
+
+async function destroy(task: Task) {
+  if (task.finishedAt) {
+    throw new Error("You can't destroy a finished task");
+  }
+
+  return taskRepository.delete(task);
+}
+
+async function create(newTaskDto: NewTaskDto, project: Project) {
+  const task = new Task();
+
+  task.description = newTaskDto.description;
+  task.project = project;
+
+  return taskRepository.save(task);
+}
+
+export const TaskService = {
+  finish,
+  destroy,
+  create,
+};
diff --git a/server/src/utils/cleanDataSource.ts b/server/src/utils/cleanDataSource.ts
index ee28839..daaa5ac 100644
--- a/server/src/utils/cleanDataSource.ts
+++ b/server/src/utils/cleanDataSource.ts
@@ -2,7 +2,7 @@ import { DataSource } from "typeorm";
 
 export const cleanDataSource = async (
   dataSource: DataSource,
-  entityNames: string[] = ["project", "user"]
+  entityNames: string[] = ["task", "project", "user"]
 ) => {
   if (process.env.NODE_ENV !== "test") {
     throw new Error(
diff --git a/server/yarn.lock b/server/yarn.lock
index 389afde..7fdf90a 100644
--- a/server/yarn.lock
+++ b/server/yarn.lock
@@ -291,6 +291,11 @@
   dependencies:
     "@jridgewell/trace-mapping" "0.3.9"
 
+"@faker-js/faker@^7.3.0":
+  version "7.3.0"
+  resolved "https://registry.yarnpkg.com/@faker-js/faker/-/faker-7.3.0.tgz#a508df35ded585c4e071cb5d9d7c89623c837fae"
+  integrity sha512-1W0PZezq2rxlAssoWemi9gFRD8IQxvf0FPL5Km3TOmGHFG7ib0TbFBJ0yC7D/1NsxunjNTK6WjUXV8ao/mKZ5w==
+
 "@istanbuljs/load-nyc-config@^1.0.0":
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/@istanbuljs/load-nyc-config/-/load-nyc-config-1.1.0.tgz#fd3db1d59ecf7cf121e80650bb86712f9b55eced"