diff --git a/backend/.gitignore b/backend/.gitignore
index 05647d5..dbe5e16 100644
--- a/backend/.gitignore
+++ b/backend/.gitignore
@@ -30,6 +30,7 @@ yarn-error.*
 
 # local env files
 .env*.local
+.env
 
 # typescript
 *.tsbuildinfo
diff --git a/backend/src/databases/mongo.ts b/backend/src/databases/mongo.ts
index 95644e7..b47ed77 100644
--- a/backend/src/databases/mongo.ts
+++ b/backend/src/databases/mongo.ts
@@ -2,18 +2,37 @@ import mongoose from "mongoose";
 import dotenv from 'dotenv'
 dotenv.config();
 const user = process.env.MG_USER
-const password = process.env.MG_PASS 
-const db = process.env.MG_DB   
+const password = process.env.MG_PASS
+const db = process.env.MG_DB
 const myHost = process.env.HOST
-const connectToDatabase = async () => {
-  try {
-    await mongoose.connect(`mongodb://${user}:${password}@${myHost}:27017/${db}`);
-    console.log("Conectado ao MongoDB");
-  } catch (error) {
-    console.error("Erro ao conectar ao MongoDB", error);
-    process.exit(1); // Sair do processo em caso de falha na conexão
-  } 
-};
 
-export default connectToDatabase;
 
+const uri = `mongodb://${user}:${password}@${myHost}/${db}`;
+const uriLocal = "mongodb://localhost:27017/dnutri"
+
+export default function connectToDatabase() {
+  mongoose.connection.on("connected", () => console.log("Mongo conectado com sucesso!"));
+  mongoose.connection.on("disconnected", () => console.log("Mongo Desconectado com sucesso!"));
+
+
+  mongoose.connect(uriLocal, {
+    serverSelectionTimeoutMS: 5000,
+    maxPoolSize: 10,
+    serverApi: { version: '1', strict: true, deprecationErrors: true }
+  })
+    .catch((e) => {
+      console.error("Connection Failed", e.message)
+    })
+
+  process.on("SIGINT", async () => {
+    try {
+      console.log("Connection closed");
+      await mongoose.connection.close();
+      process.exit(0);
+    }
+    catch (error) {
+      console.error("Problems to close the connection", error);
+      process.exit(1);
+    }
+  })
+}
\ No newline at end of file
diff --git a/backend/src/index.ts b/backend/src/index.ts
index 54e8bc2..ab29a93 100644
--- a/backend/src/index.ts
+++ b/backend/src/index.ts
@@ -3,17 +3,17 @@ import createPostgresTables from "./models/postgres";
 import dotenv from "dotenv";
 import router from "./routes/userRoutes";
 import CreateMongoDbCollections from "./models/mongo";
-import insertUser from "./controllers/createController";
 dotenv.config();
 const app = express();
 const PORT = process.env.PORT || 3002;
 
 app.use(express.json());
 
-//createPostgresTables();
+createPostgresTables();
 CreateMongoDbCollections();
 //insertUser();
 
+app.use(router)
 app.listen(PORT, () => {
   console.log(`Servidor rodando na porta ${PORT}`);
 });
diff --git a/backend/src/models/mongo/index.ts b/backend/src/models/mongo/index.ts
index 85aceea..c20f37c 100644
--- a/backend/src/models/mongo/index.ts
+++ b/backend/src/models/mongo/index.ts
@@ -4,8 +4,8 @@ import connectToDatabase from '../../databases/mongo'
 export default async function CreateMongoDbCollections() {
     try {
         connectToDatabase();
-        /*     await Data.createCollection()
-            await User.createCollection() */
+           await Data.createCollection()
+            await User.createCollection() 
 
     } catch (error: any) {
         console.error("Erro ao criar collections no MongoDB:", error.message)