diff --git a/Dockerfile b/Dockerfile
index baec7ba2..c8da8c09 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1 +1,24 @@
-#TODO Configure o Dockerfile
+# Use the official Node.js LTS image
+FROM node:18-alpine
+
+# Set the working directory inside the container
+WORKDIR /app
+
+# Copy package.json and package-lock.json
+COPY package*.json ./
+
+# Install dependencies
+RUN npm install
+
+# Copy the rest of the application code
+COPY . .
+
+# Build the TypeScript code
+RUN npm run build
+
+# Expose the application port
+EXPOSE 3000
+
+# Define the command to run the application
+CMD ["node", "dist/index.js"]
+
diff --git a/init.sql b/init.sql
index e2c36c6f..679faf26 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)
+);
\ No newline at end of file
diff --git a/src/entity/Post.ts b/src/entity/Post.ts
index a1f68038..e8a4183c 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({ length: 100 })
+  title!: string;
+
+  @Column({ length: 100 })
+  description!: string;
+
+  @ManyToOne(() => User, (user) => user.posts)
+  user!: User;
+}
diff --git a/src/entity/User.ts b/src/entity/User.ts
index a8e22632..ac7b94ff 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({ length: 100 })
+  firstName!: string;
+
+  @Column({ length: 100 })
+  lastName!: string;
+
+  @Column({ length: 100 })
+  email!: string;
+
+  @OneToMany(() => Post, (post) => post.user)
+  posts!: Post[];
+}
diff --git a/src/index.ts b/src/index.ts
index 1af52a84..ab2c0843 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -34,11 +34,56 @@ const initializeDatabase = async () => {
 initializeDatabase();
 
 app.post('/users', async (req, res) => {
-// Crie o endpoint de users
-});
+  try {
+    const { firstName, lastName, email } = req.body;
+
+    // Basic validation
+    if (!firstName || !lastName || !email) {
+      return res.status(400).json({ message: 'Please provide firstName, lastName, and email' });
+    }
+
+    const user = new User();
+    user.firstName = firstName;
+    user.lastName = lastName;
+    user.email = email;
+
+    // Save the user to the database
+    await AppDataSource.manager.save(user);
+
+    return res.status(201).json(user);
+  } catch (error) {
+    console.error('Error creating user:', error);
+    return res.status(500).json({ message: 'Internal server error' });
+  }});
 
 app.post('/posts', async (req, res) => {
-// Crie o endpoint de posts
+  try {
+    const { title, description, userId } = req.body;
+
+    // Basic validation
+    if (!title || !description || !userId) {
+      return res.status(400).json({ message: 'Please provide title, description, and userId' });
+    }
+
+    // Check if the user exists
+    const user = await AppDataSource.manager.findOneBy(User, { id: userId });
+    if (!user) {
+      return res.status(404).json({ message: 'User not found' });
+    }
+
+    const post = new Post();
+    post.title = title;
+    post.description = description;
+    post.user = user; // Associate the post with the user
+
+    // Save the post to the database
+    await AppDataSource.manager.save(post);
+
+    return res.status(201).json(post);
+  } catch (error) {
+    console.error('Error creating post:', error);
+    return res.status(500).json({ message: 'Internal server error' });
+  }
 });
 
 const PORT = process.env.PORT || 3000;