diff --git a/Backend/Semana 2/projeto-backend-semana2/template-express-knex/.DS_Store b/Backend/Semana 2/projeto-backend-semana2/template-express-knex/.DS_Store
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diff --git a/Backend/Semana 2/projeto-backend-semana2/template-express-knex/.gitignore b/Backend/Semana 2/projeto-backend-semana2/template-express-knex/.gitignore
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+node_modules
+package-lock.json
+build
+.env
diff --git a/Backend/Semana 2/projeto-backend-semana2/template-express-knex/package.json b/Backend/Semana 2/projeto-backend-semana2/template-express-knex/package.json
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+{
+   "name": "aula-back-filtros",
+   "version": "1.0.0",
+   "description": "",
+   "main": "index.js",
+   "scripts": {
+      "start": "tsc && node ./build/index.js",
+      "dev": "ts-node-dev ./src/index.ts",
+      "build": "tsc"
+   },
+   "author": "",
+   "license": "ISC",
+   "dependencies": {
+      "cors": "^2.8.5",
+      "dotenv": "^8.2.0",
+      "express": "4.17.0",
+      "knex": "^0.21.1",
+      "mysql": "^2.18.1"
+   },
+   "devDependencies": {
+      "@types/cors": "^2.8.8",
+      "@types/express": "4.17.0",
+      "@types/knex": "^0.16.1",
+      "@types/node": "^13.7.7",
+      "ts-node-dev": "^1.0.0-pre.44",
+      "typescript": "^3.8.3"
+   }
+}
diff --git a/Backend/Semana 2/projeto-backend-semana2/template-express-knex/src/.DS_Store b/Backend/Semana 2/projeto-backend-semana2/template-express-knex/src/.DS_Store
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diff --git a/Backend/Semana 2/projeto-backend-semana2/template-express-knex/src/index.ts b/Backend/Semana 2/projeto-backend-semana2/template-express-knex/src/index.ts
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--- /dev/null
+++ b/Backend/Semana 2/projeto-backend-semana2/template-express-knex/src/index.ts	
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+import express, { Express, Request, Response } from "express";
+import knex from "knex";
+import cors from "cors";
+import dotenv from "dotenv";
+import { AddressInfo } from "net";
+
+dotenv.config();
+
+export const connection = knex({
+   client: "mysql",
+   connection: {
+      host: process.env.DB_HOST,
+      port: 3306,
+      user: process.env.DB_USER,
+      password: process.env.DB_PASSWORD,
+      database: process.env.DB_NAME
+   }
+})
+
+const app: Express = express();
+app.use(express.json());
+app.use(cors())
+
+//ENDPOINT 1 - CRIA USUÁRIOS
+
+const createUser = async (name: string, nickname: string, email: string):Promise<void> => {
+
+   try {
+      await connection
+      .insert({
+        id: String(Date.now()),
+        name,
+        nickname,
+        email
+      })
+      .into("TodoListUser ");    
+    } catch (error) {
+      console.log(error) 
+    }
+  
+}
+
+app.post("/user", async (req: Request, res: Response) => {
+   try {
+
+       //Validação todos os campos obrigatórios
+       const keys = Object.keys(req.body)
+  
+       for (const key of keys) {
+         if (req.body[key] == "")
+           return res.status(400).send({ message: "Por gentileza preencha todos os campos corretamente!"})
+       }
+ 
+      const {name, nickname, email} = req.body
+      
+      await createUser(name, nickname, email);
+ 
+     res.status(200).send("Usuário criado com sucesso");
+   } catch (err) {
+     res.status(400).send({
+       message: err.message,
+     });
+   }
+ });
+
+// ENDPOINT 2 - PEGA USUÁRIOS PELO ID
+ 
+ const getUserById = async (id: string): Promise<any> => {
+   const result = await connection.raw(`
+     SELECT * FROM TodoListUser WHERE id = "${id}"
+   `);
+   return result;
+ };
+
+ app.get("/user/:id", async (req: Request, res: Response) => {
+   try {
+      const id = req.params.id
+      const user = await getUserById(id);
+ 
+      res.status(200).send(user);
+   } catch (err) {
+     res.status(400).send({
+       message: err.message,
+     });
+   }
+ });
+
+
+ //ENDPOINT 3 - EDITAR USUÁRIO
+
+ const updateUser = async (id: string, name: string, nickname: string, email: string): Promise<any> => {
+    const result = await connection.raw(`
+      UPDATE TodoListUser 
+      SET 
+         name = "${name}",
+         nickname = "${nickname}",
+         email = "${email}"
+      WHERE 
+         id = ${id}
+    `)
+    return result[0]
+ }
+
+ app.post("user/edit/:id", async (req: Request, res: Response) => {
+    let errorCode: number = 400;
+    try{
+      const id = req.params.id
+      const name = req.body.name
+      const nickname = req.body.nickname
+      const email = req.body.email
+
+      if(!req.params.id || !req.body.name || !req.body.nickname || req.body.email){
+         errorCode = 422
+         throw new Error("Dados faltantes ou incorretos. Tente novamente.")
+      }
+      const result = await updateUser(id, name, nickname, email)
+      res.status(200).send(result)
+    } catch (error) {
+      res.status(400).send({
+         message: error.message,
+       });
+    }
+ })
+
+const server = app.listen(process.env.PORT || 3003, () => {
+   if (server) {
+      const address = server.address() as AddressInfo;
+      console.log(`Server is running in http://localhost:${address.port}`);
+   } else {
+      console.error(`Failure upon starting server.`);
+   }
+});
diff --git a/Backend/Semana 2/projeto-backend-semana2/template-express-knex/tsconfig.json b/Backend/Semana 2/projeto-backend-semana2/template-express-knex/tsconfig.json
new file mode 100644
index 0000000..b520b3a
--- /dev/null
+++ b/Backend/Semana 2/projeto-backend-semana2/template-express-knex/tsconfig.json	
@@ -0,0 +1,11 @@
+{
+  "compilerOptions": {
+    "target": "es6" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */,
+    "module": "commonjs" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
+    "outDir": "./build" /* Redirect output structure to the directory. */,
+    "rootDir": "./" /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */,
+    "strict": true /* Enable all strict type-checking options. */,
+    "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
+    "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */
+  }
+}