diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 00000000..309ca81d
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,7 @@
+dist
+node_modules
+.tool-versions
+README.md
+src/db.test.ts
+docker-compose.yml
+init.sql
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100755
index 00000000..fec96708
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+node_modules
+.tool-versions
+dist
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
old mode 100644
new mode 100755
index baec7ba2..da48e983
--- a/Dockerfile
+++ b/Dockerfile
@@ -1 +1,12 @@
-#TODO Configure o Dockerfile
+FROM node:20.18.0-alpine
+
+WORKDIR /usr/src/app
+
+COPY . .
+RUN npm install
+
+RUN npm run build
+
+EXPOSE 3000
+
+CMD ["node dist/index.js"]
\ No newline at end of file
diff --git a/README.md b/README.md
old mode 100644
new mode 100755
diff --git a/docker-compose.yml b/docker-compose.yml
old mode 100644
new mode 100755
diff --git a/init.sql b/init.sql
old mode 100644
new mode 100755
index e2c36c6f..7237f63b
--- a/init.sql
+++ b/init.sql
@@ -1,5 +1,18 @@
+CREATE DATABASE test_db;
+
 USE test_db;
 
---TODO Crie a tabela de user;
+CREATE TABLE user (
+  id INT PRIMARY KEY AUTO_INCREMENT,
+  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 PRIMARY KEY AUTO_INCREMENT,
+  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/ormconfig.json b/ormconfig.json
new file mode 100755
index 00000000..36f4bf09
--- /dev/null
+++ b/ormconfig.json
@@ -0,0 +1,10 @@
+{
+  "type": "mysql",
+  "host": "localhost",
+  "port": 3306,
+  "username": "root",
+  "password": "password",
+  "database": "test_db",
+  "entities": ["./src/entity/*.ts"],
+  "synchronize": true
+}
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
old mode 100644
new mode 100755
index febfdc4f..b98c7af9
--- a/package-lock.json
+++ b/package-lock.json
@@ -6,7 +6,10 @@
     "": {
       "name": "node-starter",
       "dependencies": {
+        "@nestjs/common": "^10.4.8",
+        "@nestjs/typeorm": "^10.0.2",
         "axios": "^1.5.0",
+        "class-validator": "^0.14.1",
         "express": "^4.18.2",
         "mysql2": "^3.6.1",
         "reflect-metadata": "^0.1.13",
@@ -145,6 +148,138 @@
         "@jridgewell/sourcemap-codec": "^1.4.10"
       }
     },
+    "node_modules/@lukeed/csprng": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@lukeed/csprng/-/csprng-1.1.0.tgz",
+      "integrity": "sha512-Z7C/xXCiGWsg0KuKsHTKJxbWhpI3Vs5GwLfOean7MGyVFGqdRgBbAjOCh6u4bbjPc/8MJ2pZmK/0DLdCbivLDA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/@nestjs/common": {
+      "version": "10.4.8",
+      "resolved": "https://registry.npmjs.org/@nestjs/common/-/common-10.4.8.tgz",
+      "integrity": "sha512-PVor9dxihg3F2LMnVNkQu42vUmea2+qukkWXUSumtVKDsBo7X7jnZWXtF5bvNTcYK7IYL4/MM4awNfJVJcJpFg==",
+      "license": "MIT",
+      "dependencies": {
+        "iterare": "1.2.1",
+        "tslib": "2.7.0",
+        "uid": "2.0.2"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/nest"
+      },
+      "peerDependencies": {
+        "class-transformer": "*",
+        "class-validator": "*",
+        "reflect-metadata": "^0.1.12 || ^0.2.0",
+        "rxjs": "^7.1.0"
+      },
+      "peerDependenciesMeta": {
+        "class-transformer": {
+          "optional": true
+        },
+        "class-validator": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@nestjs/common/node_modules/tslib": {
+      "version": "2.7.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.7.0.tgz",
+      "integrity": "sha512-gLXCKdN1/j47AiHiOkJN69hJmcbGTHI0ImLmbYLHykhgeN0jVGola9yVjFgzCUklsZQMW55o+dW7IXv3RCXDzA==",
+      "license": "0BSD"
+    },
+    "node_modules/@nestjs/core": {
+      "version": "10.4.8",
+      "resolved": "https://registry.npmjs.org/@nestjs/core/-/core-10.4.8.tgz",
+      "integrity": "sha512-Kdi9rDZdlCkGL2AK9XuJ24bZp2YFV6dWBdogGsAHSP5u95wfnSkhduxHZy6q/i1nFFiLASUHabL8Jwr+bmD22Q==",
+      "hasInstallScript": true,
+      "license": "MIT",
+      "peer": true,
+      "dependencies": {
+        "@nuxtjs/opencollective": "0.3.2",
+        "fast-safe-stringify": "2.1.1",
+        "iterare": "1.2.1",
+        "path-to-regexp": "3.3.0",
+        "tslib": "2.7.0",
+        "uid": "2.0.2"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/nest"
+      },
+      "peerDependencies": {
+        "@nestjs/common": "^10.0.0",
+        "@nestjs/microservices": "^10.0.0",
+        "@nestjs/platform-express": "^10.0.0",
+        "@nestjs/websockets": "^10.0.0",
+        "reflect-metadata": "^0.1.12 || ^0.2.0",
+        "rxjs": "^7.1.0"
+      },
+      "peerDependenciesMeta": {
+        "@nestjs/microservices": {
+          "optional": true
+        },
+        "@nestjs/platform-express": {
+          "optional": true
+        },
+        "@nestjs/websockets": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@nestjs/core/node_modules/path-to-regexp": {
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-3.3.0.tgz",
+      "integrity": "sha512-qyCH421YQPS2WFDxDjftfc1ZR5WKQzVzqsp4n9M2kQhVOo/ByahFoUNJfl58kOcEGfQ//7weFTDhm+ss8Ecxgw==",
+      "license": "MIT",
+      "peer": true
+    },
+    "node_modules/@nestjs/core/node_modules/tslib": {
+      "version": "2.7.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.7.0.tgz",
+      "integrity": "sha512-gLXCKdN1/j47AiHiOkJN69hJmcbGTHI0ImLmbYLHykhgeN0jVGola9yVjFgzCUklsZQMW55o+dW7IXv3RCXDzA==",
+      "license": "0BSD",
+      "peer": true
+    },
+    "node_modules/@nestjs/typeorm": {
+      "version": "10.0.2",
+      "resolved": "https://registry.npmjs.org/@nestjs/typeorm/-/typeorm-10.0.2.tgz",
+      "integrity": "sha512-H738bJyydK4SQkRCTeh1aFBxoO1E9xdL/HaLGThwrqN95os5mEyAtK7BLADOS+vldP4jDZ2VQPLj4epWwRqCeQ==",
+      "license": "MIT",
+      "dependencies": {
+        "uuid": "9.0.1"
+      },
+      "peerDependencies": {
+        "@nestjs/common": "^8.0.0 || ^9.0.0 || ^10.0.0",
+        "@nestjs/core": "^8.0.0 || ^9.0.0 || ^10.0.0",
+        "reflect-metadata": "^0.1.13 || ^0.2.0",
+        "rxjs": "^7.2.0",
+        "typeorm": "^0.3.0"
+      }
+    },
+    "node_modules/@nuxtjs/opencollective": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/@nuxtjs/opencollective/-/opencollective-0.3.2.tgz",
+      "integrity": "sha512-um0xL3fO7Mf4fDxcqx9KryrB7zgRM5JSlvGN5AGkP6JLM5XEKyjeAiPbNxdXVXQ16isuAhYpvP88NgL2BGd6aA==",
+      "license": "MIT",
+      "peer": true,
+      "dependencies": {
+        "chalk": "^4.1.0",
+        "consola": "^2.15.0",
+        "node-fetch": "^2.6.1"
+      },
+      "bin": {
+        "opencollective": "bin/opencollective.js"
+      },
+      "engines": {
+        "node": ">=8.0.0",
+        "npm": ">=5.0.0"
+      }
+    },
     "node_modules/@pkgjs/parseargs": {
       "version": "0.11.0",
       "resolved": "https://registry.npmjs.org/@pkgjs/parseargs/-/parseargs-0.11.0.tgz",
@@ -292,6 +427,12 @@
       "integrity": "sha512-7NQmHra/JILCd1QqpSzl8+mJRc8ZHz3uDm8YV1Ks9IhK0epEiTw8aIErbvH9PI+6XbqhyIQy3462nEsn7UVzjQ==",
       "dev": true
     },
+    "node_modules/@types/validator": {
+      "version": "13.12.2",
+      "resolved": "https://registry.npmjs.org/@types/validator/-/validator-13.12.2.tgz",
+      "integrity": "sha512-6SlHBzUW8Jhf3liqrGGXyTJSIFe4nqlJ5A5KaMZ2l/vbM3Wh3KSybots/wfWVzNLK4D1NZluDlSQIbIEPx6oyA==",
+      "license": "MIT"
+    },
     "node_modules/accepts": {
       "version": "1.3.8",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
@@ -587,6 +728,17 @@
         "fsevents": "~2.3.2"
       }
     },
+    "node_modules/class-validator": {
+      "version": "0.14.1",
+      "resolved": "https://registry.npmjs.org/class-validator/-/class-validator-0.14.1.tgz",
+      "integrity": "sha512-2VEG9JICxIqTpoK1eMzZqaV+u/EiwEJkMGzTrZf6sU/fwsnOITVgYJ8yojSy6CaXtO9V0Cc6ZQZ8h8m4UBuLwQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/validator": "^13.11.8",
+        "libphonenumber-js": "^1.10.53",
+        "validator": "^13.9.0"
+      }
+    },
     "node_modules/cli-highlight": {
       "version": "2.1.11",
       "resolved": "https://registry.npmjs.org/cli-highlight/-/cli-highlight-2.1.11.tgz",
@@ -689,6 +841,13 @@
       "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==",
       "dev": true
     },
+    "node_modules/consola": {
+      "version": "2.15.3",
+      "resolved": "https://registry.npmjs.org/consola/-/consola-2.15.3.tgz",
+      "integrity": "sha512-9vAdYbHj6x2fLKC4+oPH0kFzY/orMZyG2Aj+kNylHxKGJ/Ed4dpNyAQYwJOdqO4zdM7XpVHmyejQDcQHrnuXbw==",
+      "license": "MIT",
+      "peer": true
+    },
     "node_modules/content-disposition": {
       "version": "0.5.4",
       "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.4.tgz",
@@ -936,6 +1095,13 @@
         "node": ">= 0.10.0"
       }
     },
+    "node_modules/fast-safe-stringify": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/fast-safe-stringify/-/fast-safe-stringify-2.1.1.tgz",
+      "integrity": "sha512-W+KJc2dmILlPplD/H4K9l9LcAHAfPtP6BY84uVLXQ6Evcz9Lcg33Y2z1IVblT6xdY54PXYVHEv+0Wpq8Io6zkA==",
+      "license": "MIT",
+      "peer": true
+    },
     "node_modules/fill-range": {
       "version": "7.1.1",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.1.1.tgz",
@@ -1340,6 +1506,15 @@
       "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
       "integrity": "sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw=="
     },
+    "node_modules/iterare": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/iterare/-/iterare-1.2.1.tgz",
+      "integrity": "sha512-RKYVTCjAnRthyJes037NX/IiqeidgN1xc3j1RjFfECFp28A1GVwK9nA+i0rJPaHqSZwygLzRnFlzUuHFoWWy+Q==",
+      "license": "ISC",
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/jackspeak": {
       "version": "3.4.3",
       "resolved": "https://registry.npmjs.org/jackspeak/-/jackspeak-3.4.3.tgz",
@@ -1354,6 +1529,12 @@
         "@pkgjs/parseargs": "^0.11.0"
       }
     },
+    "node_modules/libphonenumber-js": {
+      "version": "1.11.14",
+      "resolved": "https://registry.npmjs.org/libphonenumber-js/-/libphonenumber-js-1.11.14.tgz",
+      "integrity": "sha512-sexvAfwcW1Lqws4zFp8heAtAEXbEDnvkYCEGzvOoMgZR7JhXo/IkE9MkkGACgBed5fWqh3ShBGnJBdDnU9N8EQ==",
+      "license": "MIT"
+    },
     "node_modules/long": {
       "version": "5.2.3",
       "resolved": "https://registry.npmjs.org/long/-/long-5.2.3.tgz",
@@ -1546,6 +1727,27 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/node-fetch": {
+      "version": "2.7.0",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.7.0.tgz",
+      "integrity": "sha512-c4FRfUm/dbcWZ7U+1Wq0AwCyFL+3nt2bEw05wfxSz+DWpWsitgmSgYmy2dQdWyKC1694ELPqMs/YzUSNozLt8A==",
+      "license": "MIT",
+      "peer": true,
+      "dependencies": {
+        "whatwg-url": "^5.0.0"
+      },
+      "engines": {
+        "node": "4.x || >=6.0.0"
+      },
+      "peerDependencies": {
+        "encoding": "^0.1.0"
+      },
+      "peerDependenciesMeta": {
+        "encoding": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/normalize-path": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
@@ -1794,6 +1996,16 @@
         "rimraf": "bin.js"
       }
     },
+    "node_modules/rxjs": {
+      "version": "7.8.1",
+      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-7.8.1.tgz",
+      "integrity": "sha512-AA3TVj+0A2iuIoQkWEK/tqFjBq2j+6PO6Y0zJcvzLAFhEFIO3HL0vls9hWLncZbAAbK0mar7oZ4V079I/qPMxg==",
+      "license": "Apache-2.0",
+      "peer": true,
+      "dependencies": {
+        "tslib": "^2.1.0"
+      }
+    },
     "node_modules/safe-buffer": {
       "version": "5.2.1",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
@@ -2118,6 +2330,13 @@
         "node": ">=0.6"
       }
     },
+    "node_modules/tr46": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
+      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==",
+      "license": "MIT",
+      "peer": true
+    },
     "node_modules/tree-kill": {
       "version": "1.2.2",
       "resolved": "https://registry.npmjs.org/tree-kill/-/tree-kill-1.2.2.tgz",
@@ -2432,6 +2651,18 @@
         "node": ">=14.17"
       }
     },
+    "node_modules/uid": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/uid/-/uid-2.0.2.tgz",
+      "integrity": "sha512-u3xV3X7uzvi5b1MncmZo3i2Aw222Zk1keqLA1YkHldREkAhAqi65wuPfe7lHx8H/Wzy+8CE7S7uS3jekIM5s8g==",
+      "license": "MIT",
+      "dependencies": {
+        "@lukeed/csprng": "^1.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/undici-types": {
       "version": "6.19.8",
       "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.19.8.tgz",
@@ -2472,6 +2703,15 @@
       "integrity": "sha512-wa7YjyUGfNZngI/vtK0UHAN+lgDCxBPCylVXGp0zu59Fz5aiGtNXaq3DhIov063MorB+VfufLh3JlF2KdTK3xg==",
       "devOptional": true
     },
+    "node_modules/validator": {
+      "version": "13.12.0",
+      "resolved": "https://registry.npmjs.org/validator/-/validator-13.12.0.tgz",
+      "integrity": "sha512-c1Q0mCiPlgdTVVVIJIrBuxNicYE+t/7oKeI9MWLj3fh/uq2Pxh/3eeWbVZ4OcGW1TUf53At0njHw5SMdA3tmMg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.10"
+      }
+    },
     "node_modules/vary": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
@@ -2480,6 +2720,24 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/webidl-conversions": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
+      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==",
+      "license": "BSD-2-Clause",
+      "peer": true
+    },
+    "node_modules/whatwg-url": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
+      "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
+      "license": "MIT",
+      "peer": true,
+      "dependencies": {
+        "tr46": "~0.0.3",
+        "webidl-conversions": "^3.0.0"
+      }
+    },
     "node_modules/which": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
diff --git a/package.json b/package.json
old mode 100644
new mode 100755
index 46cdba25..100254f5
--- a/package.json
+++ b/package.json
@@ -8,11 +8,14 @@
     "test": "ts-node src/db.test.ts"
   },
   "dependencies": {
+    "@nestjs/common": "^10.4.8",
+    "@nestjs/typeorm": "^10.0.2",
+    "axios": "^1.5.0",
+    "class-validator": "^0.14.1",
     "express": "^4.18.2",
     "mysql2": "^3.6.1",
-    "typeorm": "^0.3.17",
     "reflect-metadata": "^0.1.13",
-    "axios": "^1.5.0"
+    "typeorm": "^0.3.17"
   },
   "devDependencies": {
     "@types/express": "^4.17.17",
diff --git a/src/db.test.ts b/src/db.test.ts
old mode 100644
new mode 100755
diff --git a/src/entity/Post.ts b/src/entity/Post.ts
old mode 100644
new mode 100755
index a1f68038..f827362e
--- a/src/entity/Post.ts
+++ b/src/entity/Post.ts
@@ -1,3 +1,24 @@
-import { Entity, PrimaryGeneratedColumn, Column } from "typeorm";
+import { Entity, PrimaryGeneratedColumn, Column, ManyToOne } from "typeorm";
+import { IsString, IsNotEmpty, MaxLength } from "class-validator";
+import { User } from './User';
 
-//TODO Crie a entidade de Post
+@Entity()
+export class Post {
+    @PrimaryGeneratedColumn()
+    id!: number;
+
+    @Column()
+    @IsString()
+    @IsNotEmpty()
+    @MaxLength(100)
+    title?: string;
+
+    @Column()
+    @IsString()
+    @IsNotEmpty()
+    @MaxLength(100)
+    description?: string;
+
+    @ManyToOne(() => User, user => user.id)
+    userId?: User;
+}
\ No newline at end of file
diff --git a/src/entity/User.ts b/src/entity/User.ts
old mode 100644
new mode 100755
index a8e22632..2a2890f2
--- a/src/entity/User.ts
+++ b/src/entity/User.ts
@@ -1,3 +1,30 @@
-import { Entity, PrimaryGeneratedColumn, Column } from "typeorm";
+import { Entity, PrimaryGeneratedColumn, Column, OneToMany } from "typeorm";
+import { IsString, IsNotEmpty, MaxLength, IsEmail } from "class-validator";
+import { Post } from "./Post";
 
-//TODO Crie a entidade de User
+@Entity()
+export class User {
+    @PrimaryGeneratedColumn()
+    id!: number;
+
+    @Column()
+    @IsString()
+    @IsNotEmpty()
+    @MaxLength(100)
+    firstName?: string;
+
+    @Column()
+    @IsString()
+    @IsNotEmpty()
+    @MaxLength(100)
+    lastName?: string;
+
+    @Column()
+    @IsString()
+    @IsNotEmpty()
+    @IsEmail()
+    email?: string;
+
+    @OneToMany(() => Post, post => post.userId)
+    posts?: Post[];
+}
\ No newline at end of file
diff --git a/src/index.ts b/src/index.ts
old mode 100644
new mode 100755
index 1af52a84..54377dbf
--- a/src/index.ts
+++ b/src/index.ts
@@ -3,6 +3,7 @@ import express from 'express';
 import { DataSource } from 'typeorm';
 import { User } from './entity/User';
 import { Post } from './entity/Post';
+import { validate } from 'class-validator';
 
 const app = express();
 app.use(express.json());
@@ -34,11 +35,50 @@ const initializeDatabase = async () => {
 initializeDatabase();
 
 app.post('/users', async (req, res) => {
-// Crie o endpoint de users
+  const { firstName, lastName, email } = req.body;
+
+  const user = new User();
+  user.firstName = firstName;
+  user.lastName = lastName;
+  user.email = email;
+
+  try {
+    const errors = await validate(user);
+    if (errors.length > 0) {
+      return res.status(400).json({ errors });
+    }
+    const savedUser = await AppDataSource.manager.save(user);
+    return res.status(201).json(savedUser);
+  } catch (err) {
+    console.error("Error saving user:", err);
+    return res.status(500).send("Internal Server Error");
+  }
 });
 
 app.post('/posts', async (req, res) => {
-// Crie o endpoint de posts
+  const { title, description, userId } = req.body;
+
+  const user = await AppDataSource.manager.findOneBy(User, { id: userId });
+  if (user == null) {
+    return res.status(404).send("Error creating post: User not found");
+  }
+
+  const post = new Post();
+  post.title = title;
+  post.description = description;
+  post.userId = userId;
+
+  try {
+    const errors = await validate(post);
+    if (errors.length > 0) {
+      return res.status(400).json({ errors });
+    }
+    const savedPost = await AppDataSource.manager.save(post);
+    return res.status(201).json(savedPost);
+  } catch (err) {
+    console.error("Error saving post:", err);
+    res.status(500).send("Internal Server Error");
+  }
 });
 
 const PORT = process.env.PORT || 3000;
diff --git a/tsconfig.json b/tsconfig.json
old mode 100644
new mode 100755