diff --git a/Dockerfile b/Dockerfile
index baec7ba2..7c14c541 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1 +1,14 @@
-#TODO Configure o Dockerfile
+FROM node:18
+
+WORKDIR /app
+
+COPY package*.json ./
+RUN npm install
+
+COPY . .
+
+RUN npm run build
+
+EXPOSE 3000
+
+CMD ["npm", "start"]
diff --git a/init.sql b/init.sql
index e2c36c6f..9982e2bd 100644
--- a/init.sql
+++ b/init.sql
@@ -1,5 +1,16 @@
 USE test_db;
 
---TODO Crie a tabela de user;
+CREATE TABLE user (
+  id INT AUTO_INCREMENT PRIMARY KEY,
+  firstName VARCHAR(100) NOT NULL,
+  lastName VARCHAR(100) NOT NULL,
+  email VARCHAR(100) NOT NULL
+);
 
---TODO Crie a tabela de posts;
+CREATE TABLE post (
+  id INT AUTO_INCREMENT PRIMARY KEY,
+  title VARCHAR(100) NOT NULL,
+  description VARCHAR(100) NOT NULL,
+  userId INT NOT NULL,
+  FOREIGN KEY (userId) REFERENCES user(id)
+);
diff --git a/src/entity/Post.ts b/src/entity/Post.ts
index a1f68038..16056fc0 100644
--- a/src/entity/Post.ts
+++ b/src/entity/Post.ts
@@ -1,3 +1,17 @@
-import { Entity, PrimaryGeneratedColumn, Column } from "typeorm";
+import { Entity, PrimaryGeneratedColumn, Column, ManyToOne } from "typeorm";
+import { User } from "./User";
 
-//TODO Crie a entidade de Post
+@Entity()
+export class Post {
+  @PrimaryGeneratedColumn()
+  id!: number;
+
+  @Column()
+  title!: string;
+
+  @Column()
+  description!: string;
+
+  @ManyToOne(() => User, (user) => user.posts)
+  user!: User;
+}
diff --git a/src/entity/User.ts b/src/entity/User.ts
index a8e22632..1df47747 100644
--- a/src/entity/User.ts
+++ b/src/entity/User.ts
@@ -1,3 +1,20 @@
-import { Entity, PrimaryGeneratedColumn, Column } from "typeorm";
+import { Entity, PrimaryGeneratedColumn, Column, OneToMany } from "typeorm";
+import { Post } from "./Post";
 
-//TODO Crie a entidade de User
+@Entity()
+export class User {
+  @PrimaryGeneratedColumn()
+  id!: number;
+
+  @Column()
+  firstName!: string;
+
+  @Column()
+  lastName!: string;
+
+  @Column()
+  email!: string;
+
+  @OneToMany(() => Post, (post) => post.user)
+  posts!: Post[];
+}
diff --git a/src/index.ts b/src/index.ts
index 1af52a84..babb22eb 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -34,11 +34,30 @@ const initializeDatabase = async () => {
 initializeDatabase();
 
 app.post('/users', async (req, res) => {
-// Crie o endpoint de users
+  try {
+    const user = AppDataSource.getRepository(User).create(req.body);
+    const result = await AppDataSource.getRepository(User).save(user);
+    res.status(201).json(result);
+  } catch (err) {
+    res.status(500).json({ error: "Failed to create user", details: err });
+  }
 });
 
 app.post('/posts', async (req, res) => {
-// Crie o endpoint de posts
+  try {
+    const { title, description, userId } = req.body;
+
+    const user = await AppDataSource.getRepository(User).findOneBy({ id: userId });
+    if (!user) {
+      return res.status(404).json({ error: "User not found" });
+    }
+
+    const post = AppDataSource.getRepository(Post).create({ title, description, user });
+    const result = await AppDataSource.getRepository(Post).save(post);
+    res.status(201).json(result);
+  } catch (err) {
+    res.status(500).json({ error: "Failed to create post", details: err });
+  }
 });
 
 const PORT = process.env.PORT || 3000;