diff --git a/staff/luis-morlets/unsocial/api/data/index.js b/staff/luis-morlets/unsocial/api/data/index.js
deleted file mode 100644
index 3ee0a1d57..000000000
--- a/staff/luis-morlets/unsocial/api/data/index.js
+++ /dev/null
@@ -1,8 +0,0 @@
-import uuid from './uuid.js'
-import storage from './storage.js'
-
-export {
-    storage,
-
-    uuid
-}
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/data/posts.json b/staff/luis-morlets/unsocial/api/data/posts.json
deleted file mode 100644
index acc3ed28c..000000000
--- a/staff/luis-morlets/unsocial/api/data/posts.json
+++ /dev/null
@@ -1 +0,0 @@
-[{"id":"m2xaozivndc","image":"https://i.pinimg.com/736x/7b/45/48/7b4548987582999980e7ac720cfd504a.jpg","text":"El Libertador","author":"m2x9yvtmjgu","date":"2024-10-31T12:42:00.535Z","likedBy":["m2x9yvtmjgu","m2wd1d38rhe","m2wd7pkr7xq","m34kcl8k76i","m34m1x7tbyb"],"comments":[{"id":"m34lbtbyz1u","author":"m34kcl8k76i","text":"Cuanto ha crecido mi simoncito"},{"id":"m3614zfvbo7","author":"m34m1x7tbyb","text":"Que grande ese Bolivita!!"}]},{"id":"m34j2e2tx1p","image":"https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQPufJ3rYLCohIyTu_nEilzM04sNZCp5WL4uQ&s","text":"Para el recuerdo","author":"m3352rtur6c","date":"2024-11-05T14:10:46.086Z","likedBy":["m34m1x7tbyb","m34kcl8k76i","m2x9yvtmjgu"],"comments":[{"id":"m34m3kvu0id","author":"m34m1x7tbyb","text":"Manuelita una gran amiga, saludos!!"},{"id":"m35mgc1toa","author":"m34kcl8k76i","text":"Linda manuelita"}]},{"id":"m35mhjjf4d","image":"https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRTZjZASv_2DCaVPg8OWrz7HPcDDlAMc6Sqgg&s","text":"Con mi pequeño simoncito","author":"m34kcl8k76i","date":"2024-11-06T08:34:18.027Z","likedBy":["m2x9yvtmjgu","m3352rtur6c","m34m1x7tbyb"],"comments":[{"id":"m35mk93u5yu","author":"m2x9yvtmjgu","text":"Mi segunda madre!"}]}]
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/data/storage.js b/staff/luis-morlets/unsocial/api/data/storage.js
deleted file mode 100644
index 23c6ef895..000000000
--- a/staff/luis-morlets/unsocial/api/data/storage.js
+++ /dev/null
@@ -1,31 +0,0 @@
-import fs from 'fs'
-
-export default {
-    get users() {
-        const json = fs.readFileSync('./data/users.json', 'utf-8')
-
-        const users = JSON.parse(json)
-
-        return users
-    },
-
-    set users(users) {
-        const json = JSON.stringify(users)
-
-        fs.writeFileSync('./data/users.json', json)
-    },
-
-    get posts() {
-        const json = fs.readFileSync('./data/posts.json', 'utf-8')
-
-        const posts = JSON.parse(json)
-
-        return posts
-    },
-
-    set posts(posts) {
-        const json = JSON.stringify(posts)
-
-        fs.writeFileSync('./data/posts.json', json)
-    }
-}
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/data/storage.test.js b/staff/luis-morlets/unsocial/api/data/storage.test.js
deleted file mode 100644
index 4ddd67caa..000000000
--- a/staff/luis-morlets/unsocial/api/data/storage.test.js
+++ /dev/null
@@ -1,11 +0,0 @@
-import uuid from './uuid.js'
-
-import storage from './storage.js'
-
-storage.users = [
-    { id: uuid(), name: 'Pepito Grillo', email: 'pepito@grillo.com', username: 'pepitogrillo', password: '123123123' }
-]
-
-storage.posts = []
-
-console.log(storage.users)
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/data/users.json b/staff/luis-morlets/unsocial/api/data/users.json
deleted file mode 100644
index 77dd193d3..000000000
--- a/staff/luis-morlets/unsocial/api/data/users.json
+++ /dev/null
@@ -1,44 +0,0 @@
-[
-    {
-        "id": "m2wd1d38rhe",
-        "name": "Pepito Grillo",
-        "email": "pepito@grillo.com",
-        "username": "pepitogrillo",
-        "password": "123123123"
-    },
-    {
-        "id": "m2wd7pkr7xq",
-        "name": "Pin Ocho",
-        "email": "pin@ocho.com",
-        "username": "pinocho",
-        "password": "123123123"
-    },
-    {
-        "id": "m2x9yvtmjgu",
-        "name": "Simon Bolivar",
-        "email": "simon@bolivar.com",
-        "username": "simoncito",
-        "password": "123123123"
-    },
-    {
-        "id": "m3352rtur6c",
-        "name": "Manuela Saenz",
-        "email": "manuela@saenz.com",
-        "username": "manuelita",
-        "password": "123123123"
-    },
-    {
-        "id": "m34kcl8k76i",
-        "name": "Hipolita Bolivar",
-        "email": "hipolita@bolivar.com",
-        "username": "negrahipolita",
-        "password": "123123123"
-    },
-    {
-        "id": "m34m1x7tbyb",
-        "name": "Simon Rodriguez",
-        "email": "simon@rodriguez.com",
-        "username": "profesimon",
-        "password": "123123123"
-    }
-]
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/data/uuid.js b/staff/luis-morlets/unsocial/api/data/uuid.js
deleted file mode 100644
index dda113a0e..000000000
--- a/staff/luis-morlets/unsocial/api/data/uuid.js
+++ /dev/null
@@ -1,3 +0,0 @@
-const uuid = () => (Date.now() + Math.random()).toString(36).replace('.', '')
-
-export default uuid
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/index.js b/staff/luis-morlets/unsocial/api/index.js
index 23573aeba..b4632a2fa 100644
--- a/staff/luis-morlets/unsocial/api/index.js
+++ b/staff/luis-morlets/unsocial/api/index.js
@@ -1,174 +1,221 @@
+import db from 'dat'
 import express, { json } from 'express'
 import logic from './logic/index.js'
 import cors from 'cors'
 
-const server = express()
+db.connect('mongodb://127.0.0.1:27017/unsocial-test')
+    .then(() => {
+        console.log('connected to db')
 
-server.use(cors())
+        const server = express()
 
-const jsonBodyParser = json()
+        server.use(cors())
 
-server.get('/', (_, res) => res.send('Hello, API!'))
+        const jsonBodyParser = json()
 
-server.post('/authenticate', jsonBodyParser, (req, res) => {
+        server.get('/', (_, res) => res.send('Hello, API!'))
 
-    const { username, password } = req.body
-    try {
+        server.post('/authenticate', jsonBodyParser, (req, res) => {
+            try {
+                const { username, password } = req.body
 
-        const userId = logic.authenticateUser(username, password)
+                logic.authenticateUser(username, password)
+                    .then(userId => res.json(userId))
+                    .catch(error => {
+                        res.status(401).json({ error: error.constructor.name, message: error.message })
 
-        res.json(userId)
-    } catch (error) {
-        res.status(401).json({ error: error.constructor.name, message: error.message })
+                        console.error(error)
+                    })
+            } catch (error) {
+                res.status(401).json({ error: error.constructor.name, message: error.message })
 
-        console.error(error)
-    }
-})
+                console.error(error)
+            }
+        })
 
-server.post('/register', jsonBodyParser, (req, res) => {
+        server.post('/register', jsonBodyParser, (req, res) => {
+            try {
+                const { name, email, username, password, 'password-repeat': passwordRepeat } = req.body
 
-    try {
-        const { name, email, username, password, 'password-repeat': passwordRepeat } = req.body
+                logic.registerUser(name, email, username, password, passwordRepeat)
+                    .then(() => res.status(201).send())
+                    .catch(error => {
+                        res.status(400).json({ error: error.constructor.name, message: error.message })
 
-        logic.registerUser(name, email, username, password, passwordRepeat)
+                        console.error(error)
+                    })
+            } catch (error) {
+                res.status(400).json({ error: error.constructor.name, message: error.message })
 
-        res.status(201).send()
-    } catch (error) {
-        res.status(400).json({ error: error.constructor.name, message: error.message })
+                console.error(error)
+            }
+        })
 
-        console.error(error)
-    }
-})
+        server.get('/users/:targetUserId/name', (req, res) => {
 
-server.get('/users/:targetUserId/name', (req, res) => {
-    const userId = req.headers.authorization.slice(6)
+            try {
+                const userId = req.headers.authorization.slice(6)
 
-    const { targetUserId } = req.params
+                const { targetUserId } = req.params
 
-    try {
-        const name = logic.getUserName(userId, targetUserId)
+                logic.getUserName(userId, targetUserId)
+                    .then(name => res.json(name))
+                    .catch(error => {
+                        res.status(400).json({ error: error.constructor.name, message: error.message })
 
-        res.json(name)
-    } catch (error) {
-        res.status(400).json({ error: error.constructor.name, message: error.message })
+                        console.error(error)
+                    })
+            } catch (error) {
+                res.status(400).json({ error: error.constructor.name, message: error.message })
 
-        console.error(error)
-    }
-})
+                console.error(error)
+            }
+        })
 
-server.post('/posts', jsonBodyParser, (req, res) => {
-    const userId = req.headers.authorization.slice(6) //Basic sgsgsgsgs
+        server.post('/posts', jsonBodyParser, (req, res) => {
 
-    const { image, text } = req.body
+            try {
+                const userId = req.headers.authorization.slice(6) //Basic sgsgsgsgs
 
-    try {
-        logic.createPost(userId, image, text)
+                const { image, text } = req.body
 
-        res.status(201).send()
-    } catch (error) {
-        res.status(400).json({ error: error.constructor.name, message: error.message })
+                logic.createPost(userId, image, text)
+                    .then(() => res.status(201).send())
+                    .catch(error => {
+                        res.status(400).json({ error: error.constructor.name, message: error.message })
 
-        console.error(error)
-    }
-})
+                        console.error(error)
+                    })
+            } catch (error) {
+                res.status(400).json({ error: error.constructor.name, message: error.message })
 
-server.get('/posts', (req, res) => {
-    const userId = req.headers.authorization.slice(6)
+                console.error(error)
+            }
+        })
 
-    try {
-        const posts = logic.getPosts(userId)
+        server.get('/posts', (req, res) => {
 
-        res.json(posts)
-    } catch (error) {
-        res.status(404).json({ error: error.constructor.name, message: error.message })
+            try {
+                const userId = req.headers.authorization.slice(6)
 
-        console.error(error)
-    }
-})
+                logic.getPosts(userId)
+                    .then(posts => res.json(posts))
+                    .catch(error => {
+                        res.status(404).json({ error: error.constructor.name, message: error.message })
 
-server.delete('/posts/:postId', (req, res) => {
-    const { postId } = req.params
-    const userId = req.headers.authorization.slice(6)
+                        console.error(error)
+                    })
+            } catch (error) {
+                res.status(404).json({ error: error.constructor.name, message: error.message })
 
-    try {
-        logic.deletePost(userId, postId)
+                console.error(error)
+            }
+        })
 
-        res.status(204).send()
-    } catch (error) {
-        res.status(400).json({ error: error.constructor.name, message: error.message })
+        server.delete('/posts/:postId', (req, res) => {
 
-        console.error(error)
-    }
-})
+            try {
+                const { postId } = req.params
+                const userId = req.headers.authorization.slice(6)
 
-server.post('/posts/:postId/comments', jsonBodyParser, (req, res) => {
+                logic.deletePost(userId, postId)
+                    .then(() => res.status(204).send())
+                    .catch(error => {
+                        res.status(400).json({ error: error.constructor.name, message: error.message })
 
-    const userId = req.headers.authorization.slice(6)
+                        console.error(error)
+                    })
+            } catch (error) {
+                res.status(400).json({ error: error.constructor.name, message: error.message })
 
-    const { text } = req.body
+                console.error(error)
+            }
+        })
 
-    const { postId } = req.params
+        server.post('/posts/:postId/comments', jsonBodyParser, (req, res) => {
 
-    try {
-        logic.addComment(userId, postId, text)
+            try {
+                const userId = req.headers.authorization.slice(6)
 
-        res.status(201).send()
+                const { text } = req.body
 
-    } catch (error) {
-        res.status(400).json({ error: error.constructor.name, message: error.message })
+                const { postId } = req.params
 
-        console.error(error)
-    }
-})
+                logic.addComment(userId, postId, text)
+                    .then(() => res.status(201).send())
+                    .catch(error => {
+                        res.status(400).json({ error: error.constructor.name, message: error.message })
 
-server.get('/posts/:postId/comments', (req, res) => {
-    const userId = req.headers.authorization.slice(6)
+                        console.error(error)
+                    })
+            } catch (error) {
+                res.status(400).json({ error: error.constructor.name, message: error.message })
 
-    const { postId } = req.params
+                console.error(error)
+            }
+        })
 
-    try {
-        const comment = logic.getComments(userId, postId)
+        server.get('/posts/:postId/comments', (req, res) => {
 
-        res.json(comment)
-    } catch (error) {
-        res.status(400).json({ error: error.constructor.name, message: error.message })
+            try {
+                const userId = req.headers.authorization.slice(6)
 
-        console.error(error)
-    }
-})
+                const { postId } = req.params
 
-server.delete('/posts/:postId/comments/:commentId', (req, res) => {
+                logic.getComments(userId, postId)
+                    .then(comment => res.json(comment))
+                    .catch(error => {
+                        res.status(400).json({ error: error.constructor.name, message: error.message })
 
-    const userId = req.headers.authorization.slice(6)
+                        console.error(error)
+                    })
+            } catch (error) {
+                res.status(400).json({ error: error.constructor.name, message: error.message })
 
-    const { postId, commentId } = req.params
+                console.error(error)
+            }
+        })
 
-    try {
-        logic.removeComment(userId, postId, commentId)
+        server.delete('/posts/:postId/comments/:commentId', (req, res) => {
 
-        res.status(204).send()
+            try {
+                const userId = req.headers.authorization.slice(6)
 
-    } catch (error) {
-        res.status(400).json({ error: error.constructor.name, message: error.message })
+                const { postId, commentId } = req.params
 
-        console.error(error)
-    }
-})
+                logic.removeComment(userId, postId, commentId)
+                    .then(() => res.status(204).send())
+                    .catch(error => {
+                        res.status(400).json({ error: error.constructor.name, message: error.message })
 
-server.patch('/posts/:postId/likes', (req, res) => {
-    const userId = req.headers.authorization.slice(6)
+                        console.error(error)
+                    })
+            } catch (error) {
+                res.status(400).json({ error: error.constructor.name, message: error.message })
 
-    const { postId } = req.params
-    try {
-        logic.likesInteraction(userId, postId)
+                console.error(error)
+            }
+        })
 
-        res.status(204).send()
+        server.patch('/posts/:postId/likes', (req, res) => {
+            try {
+                const userId = req.headers.authorization.slice(6)
 
-    } catch (error) {
-        res.status(400).json({ error: error.constructor.name, message: error.message })
+                const { postId } = req.params
 
-        console.error(error)
-    }
-})
+                logic.likesInteraction(userId, postId)
+                    .then(() => res.status(204).send())
+                    .catch(error => {
+                        res.status(400).json({ error: error.constructor.name, message: error.message })
 
-server.listen(8080, () => console.log('api is up'))
\ No newline at end of file
+                        console.error(error)
+                    })
+            } catch (error) {
+                res.status(400).json({ error: error.constructor.name, message: error.message })
+
+                console.error(error)
+            }
+        })
+
+        server.listen(8080, () => console.log('api is up'))
+    })
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/logic/addComment.js b/staff/luis-morlets/unsocial/api/logic/addComment.js
index 52c8495b8..9e9370dbf 100644
--- a/staff/luis-morlets/unsocial/api/logic/addComment.js
+++ b/staff/luis-morlets/unsocial/api/logic/addComment.js
@@ -1,29 +1,36 @@
-import { storage, uuid } from '../data/index.js'
+import db from 'dat'
 
 import { validate } from 'com'
 
+const { ObjectId } = db
 
 export default (userId, postId, text) => {
     validate.id(postId, 'postId')
     validate.id(userId, 'userId')
     validate.text(text)
 
-    const { posts, users } = storage
-
-    const found = users.some(({ id }) => id === userId)
-
-    if (!found) throw new Error('user not found')
-
-    const post = posts.find(({ id }) => id === postId)
-
-    if (!post) throw new Error('post not found')
-
-    post.comments.push({
-        id: uuid(),
-        author: userId,
-        text,
-        date: new Date().toISOString
-    })
-
-    storage.posts = posts
-}
\ No newline at end of file
+    const userObjectId = ObjectId.createFromHexString(userId)
+    const postObjectId = ObjectId.createFromHexString(postId)
+
+    return Promise.all([
+        db.users.findOne({ _id: userObjectId }),
+        db.posts.findOne({ _id: postObjectId })
+    ])
+        .catch(error => { throw new Error(error.message) })
+        .then(([user, post]) => {
+            if (!user) throw new Error("user not found");
+            if (!post) throw new Error("post not found")
+
+            return db.posts.updateOne({ _id: postObjectId },
+                {
+                    $push: {
+                        comments: {
+                            _id: new ObjectId(),
+                            author: userObjectId,
+                            text,
+                            date: new Date(),
+                        }
+                    }
+                })
+        })
+}
diff --git a/staff/luis-morlets/unsocial/api/logic/addComment.test.js b/staff/luis-morlets/unsocial/api/logic/addComment.test.js
index 2306d02b1..6703c5c8b 100644
--- a/staff/luis-morlets/unsocial/api/logic/addComment.test.js
+++ b/staff/luis-morlets/unsocial/api/logic/addComment.test.js
@@ -1,7 +1,17 @@
+import db from 'dat'
+
 import addComment from './addComment.js'
 
-try {
-    addComment('m2wd7pkr7xq', 'm2xaozivndc', 'Grande Boliva')
-} catch (error) {
-    console.error(error)
-}
\ No newline at end of file
+db.connect("mongodb://127.0.0.1:27017/unsocial-test")
+    .then(() => {
+        try {
+            return addComment("672e20b8106be73d00f7ee7b", "67321930d260445bfba74342", "Grande Boliva"
+            )
+                .then(console.log)
+                .catch(console.error)
+        } catch (error) {
+            console.error(error)
+        }
+    })
+    .catch(console.error)
+    .finally(() => db.disconnect())
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/logic/authenticateUser.js b/staff/luis-morlets/unsocial/api/logic/authenticateUser.js
index c411f831d..27df2b9d6 100644
--- a/staff/luis-morlets/unsocial/api/logic/authenticateUser.js
+++ b/staff/luis-morlets/unsocial/api/logic/authenticateUser.js
@@ -1,16 +1,15 @@
-import { storage } from '../data/index.js'
+import db from 'dat'
 import { validate } from 'com'
 
 export default (username, password) => {
     validate.username(username)
     validate.password(password)
 
-    const { users } = storage
+    return db.users.findOne({ username, password })
+        .catch(error => { throw new Error(error.message) })
+        .then(user => {
+            if (!user) throw new Error('wrong credentials')
 
-    const user = users.find(user => user.username === username && user.password === password)
-
-    if (user === undefined)
-        throw new Error('Wrong credentials, try again')
-
-    return user.id
+            return user._id.toString()
+        })
 }
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/logic/authenticateUser.test.js b/staff/luis-morlets/unsocial/api/logic/authenticateUser.test.js
index c703ceff7..73ee73596 100644
--- a/staff/luis-morlets/unsocial/api/logic/authenticateUser.test.js
+++ b/staff/luis-morlets/unsocial/api/logic/authenticateUser.test.js
@@ -1,7 +1,14 @@
+import db from 'dat'
 import authenticateUser from './authenticateUser.js'
 
-try {
-    console.log(authenticateUser('pinocho', '123123123'))
-} catch (error) {
-    console.error(error)
-}
\ No newline at end of file
+db.connect('mongodb://127.0.0.1:27017/unsocial-test')
+    .then(() => {
+        try {
+            authenticateUser('franciscom', '123123123')
+                .then(console.log)
+                .catch(console.error)
+        } catch (error) {
+            console.error(error)
+        }
+    })
+    .catch(console.error)
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/logic/createPost.js b/staff/luis-morlets/unsocial/api/logic/createPost.js
index 9e2e7d39f..67ee1e2e7 100644
--- a/staff/luis-morlets/unsocial/api/logic/createPost.js
+++ b/staff/luis-morlets/unsocial/api/logic/createPost.js
@@ -1,27 +1,22 @@
-import { uuid, storage } from '../data/index.js'
+import db from 'dat'
 import { validate } from 'com'
 
+const { ObjectId } = db
+
 export default (userId, image, text) => {
     validate.id(userId, 'userId')
     validate.image(image)
     validate.text(text)
 
-    const { users, posts } = storage
-
-    const found = users.some(({ id }) => id === userId)
-
-    if (!found) throw new Error('user not found')
+    const userObjectId = ObjectId.createFromHexString(userId)
 
-    const post = {
-        id: uuid(),
-        image: image,
-        text: text,
-        author: userId,
-        date: new Date,
-        likedBy: [],
-        comments: []
-    }
-    posts.push(post)
+    return db.users.findOne({ _id: userObjectId })
+        .catch(error => { throw new Error(error.message) })
+        .then(user => {
+            if (!user) throw new Error('user not found')
 
-    storage.posts = posts
+            return db.posts.insertOne({ author: userObjectId, image, text, date: new Date, likes: [], comments: [] })
+                .catch(error => { throw new Error(error.messsage) })
+                .then(_ => { })
+        })
 }
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/logic/createPost.test.js b/staff/luis-morlets/unsocial/api/logic/createPost.test.js
index 4c50a36d3..4b31e623a 100644
--- a/staff/luis-morlets/unsocial/api/logic/createPost.test.js
+++ b/staff/luis-morlets/unsocial/api/logic/createPost.test.js
@@ -1,8 +1,15 @@
+import db from 'dat'
 import createPost from './createPost.js'
 
-try {
-    createPost('m2wd7pkr7xq', 'https://pixabay.com/get/g0259c3660213baf3e4aa36f843176f3d021f71f70db7da315dda8809d7fe49fd0f394a4d00203563adb597194a0868c2_1280.jpg', 'cuando estudiaba')
-
-} catch (error) {
-    console.error(error)
-}
\ No newline at end of file
+db.connect('mongodb://127.0.0.1:27017/unsocial-test')
+    .then(() => {
+        try {
+            return createPost('672e2c487f1acbd7a5009c67', 'https://upload.wikimedia.org/wikipedia/commons/a/a9/Sim%C3%B3n_Bol%C3%ADvar_by_Acevedo_Bernal%2C_1922.jpg', 'Libertando')
+                .then(console.log)
+                .catch(console.error)
+        } catch (error) {
+            console.error(error)
+        }
+    })
+    .catch(console.error)
+    .finally(() => db.disconnect())
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/logic/deletePost.js b/staff/luis-morlets/unsocial/api/logic/deletePost.js
index b8a803e1f..45f03e822 100644
--- a/staff/luis-morlets/unsocial/api/logic/deletePost.js
+++ b/staff/luis-morlets/unsocial/api/logic/deletePost.js
@@ -1,27 +1,31 @@
-import { storage } from '../data/index.js'
+import db from 'dat'
 import { validate } from 'com'
 
+const { ObjectId } = db
+
 export default (userId, postId) => {
-    validate.id(userId, 'userId')
     validate.id(postId, 'postId')
+    validate.id(userId, 'userId')
 
-    const { posts, users } = storage
-
-    const found = users.some(({ id }) => id === userId)
-
-    if (!found) throw new Error('user not found')
-
-    const index = posts.findIndex(({ id }) => id === postId)
-
-    if (index < 0) throw new Error('post not found')
+    const userObjectId = ObjectId.createFromHexString(userId)
+    const postObjectId = ObjectId.createFromHexString(postId)
 
-    const post = posts[index]
+    return Promise.all([
+        db.users.findOne({ _id: userObjectId }),
+        db.posts.findOne({ _id: postObjectId })
+    ])
+        .catch(error => { throw new Error(error.message) })
+        .then(([user, post]) => {
+            if (!user) throw new Error('user not found')
+            if (!post) throw new Error('post not found')
 
-    const { author } = post
+            const { author } = post
 
-    if (author !== userId) throw new Error('user is not author of post')
+            if (!author.equals(userId)) { throw new Error('User is not author of this post') }
 
-    posts.splice(index, 1)
+            return db.posts.deleteOne({ _id: postObjectId })
+                .catch(error => { throw new Error(error.message) })
+                .then(_ => { })
+        })
+}
 
-    storage.posts = posts
-}
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/logic/deletePost.test.js b/staff/luis-morlets/unsocial/api/logic/deletePost.test.js
index 978fbad27..df435fc2e 100644
--- a/staff/luis-morlets/unsocial/api/logic/deletePost.test.js
+++ b/staff/luis-morlets/unsocial/api/logic/deletePost.test.js
@@ -1,7 +1,16 @@
+import db from 'dat'
+
 import deletePost from './deletePost.js'
 
-try {
-    deletePost('m2wd7pkr7xq', 'm32snzaun6d')
-} catch (error) {
-    console.error(error)
-}
\ No newline at end of file
+db.connect('mongodb://127.0.0.1:27017/unsocial-test')
+    .then(() => {
+        try {
+            return deletePost('672e2c487f1acbd7a5009c67', '67321930d260445bfba74342')
+                .then(console.log)
+                .catch(console.error)
+        } catch (error) {
+            console.error(error)
+        }
+    })
+    .catch(console.error)
+    .finally(() => db.disconnect())
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/logic/getComments.js b/staff/luis-morlets/unsocial/api/logic/getComments.js
index 954884630..f7b9822ab 100644
--- a/staff/luis-morlets/unsocial/api/logic/getComments.js
+++ b/staff/luis-morlets/unsocial/api/logic/getComments.js
@@ -1,29 +1,43 @@
+import db from 'dat'
 import { validate } from 'com'
-import { storage } from '../data/index.js'
+
+const { ObjectId } = db
 
 export default (userId, postId) => {
     validate.id(userId, 'userId')
     validate.id(postId, 'postId')
 
-    const { users, posts } = storage
-
-    const found = users.some(({ id }) => id === userId)
+    const userObjectId = ObjectId.createFromHexString(userId)
+    const postObjectId = ObjectId.createFromHexString(postId)
 
-    if (!found) throw new Error('user not found')
+    return Promise.all([
+        db.users.findOne({ _id: userObjectId }),
+        db.posts.findOne({ _id: postObjectId })
+    ])
+        .catch(error => { throw new Error(error.message) })
+        .then(([user, post]) => {
+            if (!user) throw new Error('user not found')
+            if (!post) throw new Error('post not found')
 
-    const post = posts.find(({ id }) => id === postId)
+            const { comments } = post
 
-    if (!post) throw new Error('post not found')
+            const promises = comments.map(comment => {
+                return db.users.findOne({ _id: comment.author })
+                    .catch(error => { throw new Error(error.message) })
+                    .then(user => {
+                        if (!user) throw new Error('author of comment not found')
 
-    const { comments } = post
+                        const { username } = user
 
-    comments.forEach(comment => {
-        const { author: authorId } = comment
+                        comment.id = comment._id.toString()
+                        delete comment._id
 
-        const { username } = users.find(({ id }) => id === authorId)
+                        comment.author = { id: comment.author.toString(), username }
 
-        comment.author = { id: authorId, username }
-    })
+                        return comment
+                    })
+            })
+            return Promise.all(promises)
+        })
+}
 
-    return comments
-}
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/logic/getComments.test.js b/staff/luis-morlets/unsocial/api/logic/getComments.test.js
index 54e7c8bc5..10efe726e 100644
--- a/staff/luis-morlets/unsocial/api/logic/getComments.test.js
+++ b/staff/luis-morlets/unsocial/api/logic/getComments.test.js
@@ -1,7 +1,15 @@
+import db from 'dat'
 import getComments from './getComments.js'
 
-try {
-    console.log(getComments('m2x9yvtmjgu', 'm2xaozivndc'))
-} catch (error) {
-    console.error(error)
-}
\ No newline at end of file
+db.connect('mongodb://127.0.0.1:27017/unsocial-test')
+    .then(() => {
+        try {
+            return getComments('672e20b8106be73d00f7ee7b', '67321930d260445bfba74342')
+                .then(console.log)
+                .catch(console.error)
+        } catch (error) {
+            console.error(error)
+        }
+    })
+    .catch(console.error)
+    .finally(() => db.disconnect())
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/logic/getPosts.js b/staff/luis-morlets/unsocial/api/logic/getPosts.js
index 9d924c428..d6255ccc0 100644
--- a/staff/luis-morlets/unsocial/api/logic/getPosts.js
+++ b/staff/luis-morlets/unsocial/api/logic/getPosts.js
@@ -1,26 +1,45 @@
-import { storage } from '../data/index.js'
+import db from 'dat'
 import { validate } from 'com'
 
+const { ObjectId } = db
+
 export default userId => {
     validate.id(userId, 'userId')
 
-    const { users, posts } = storage
+    const userObjectId = ObjectId.createFromHexString(userId)
+
+    return db.users.findOne({ _id: userObjectId })
+        .catch(error => { throw new Error(error.message) })
+        .then(user => {
+            if (!user) throw new Error('user not found')
 
-    const found = users.some(({ id }) => id === userId)
+            return db.posts.find().sort({ date: -1 }).toArray()
+                .catch(error => { throw new Error(error.message) })
+        })
+        .then(posts => {
+            const promises = posts.map(post =>
+                db.users.findOne({ _id: post.author }, { projection: { _id: 0, username: 1 } })
+                    .then(user => {
+                        if (!user) throw new Error('author of post not found')
 
-    if (!found) throw new Error('user not found')
+                        const { username } = user
 
-    posts.forEach(post => {
-        const { author: authorId } = post
+                        //normalize / sanitize
+                        post.id = post._id.toString()
+                        delete post._id
 
-        const { username } = users.find(({ id }) => id === authorId)
+                        post.author = { id: post.author.toString(), username }
 
-        post.author = { id: authorId, username }
+                        const { likes, comments } = post
 
-        post.liked = post.likedBy.includes(userId)
+                        post.liked = likes.some(userObjectId => userObjectId.equals(userId))
+                        post.likes = likes.length
 
-        post.comments = post.comments.length
-    })
+                        post.comments = comments.length
 
-    return posts.toReversed()
-}
\ No newline at end of file
+                        return post
+                    })
+            )
+            return Promise.all(promises)
+        })
+}
diff --git a/staff/luis-morlets/unsocial/api/logic/getPosts.test.js b/staff/luis-morlets/unsocial/api/logic/getPosts.test.js
index 555b80315..ec362c318 100644
--- a/staff/luis-morlets/unsocial/api/logic/getPosts.test.js
+++ b/staff/luis-morlets/unsocial/api/logic/getPosts.test.js
@@ -1,7 +1,15 @@
-import getPosts from './getPosts.js';
+import db from 'dat'
+import getPosts from './getPosts.js'
 
-try {
-    console.log(getPosts('m2wd1d38rhe'))
-} catch (error) {
-    console.error(error)
-}
\ No newline at end of file
+db.connect('mongodb://127.0.0.1:27017/unsocial-test')
+    .then(() => {
+        try {
+            return getPosts('672e2c487f1acbd7a5009c67')
+                .then(console.log)
+                .catch(console.error)
+        } catch (error) {
+            console.error(error)
+        }
+    })
+    .catch(console.error)
+    .finally(() => db.disconnect())
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/logic/getUserName.js b/staff/luis-morlets/unsocial/api/logic/getUserName.js
index 995b904fa..42ced61e3 100644
--- a/staff/luis-morlets/unsocial/api/logic/getUserName.js
+++ b/staff/luis-morlets/unsocial/api/logic/getUserName.js
@@ -1,19 +1,26 @@
-import { storage } from '../data/index.js'
+import db from 'dat'
 import { validate } from 'com'
 
+const { ObjectId } = db
+
 export default (userId, targetUserId) => {
     validate.id(userId, 'userId')
     validate.id(targetUserId, 'targetUserId')
 
-    const { users } = storage
-
-    const found = users.some(({ id }) => id === userId)
-
-    if (!found) throw new Error('user not found')
+    const userObjectId = ObjectId.createFromHexString(userId)
+    const targetUserObjectId = ObjectId.createFromHexString(targetUserId)
 
-    const user = users.find(({ id }) => id === targetUserId)
+    return db.users.findOne({ _id: userObjectId })
+        .catch(error => { throw new Error(error.message) })
+        .then(user => {
+            if (!user) throw new Error('user not found')
 
-    if (!user) throw new Error('target user not found')
+            return db.users.findOne({ _id: targetUserObjectId })
+                .catch(error => { throw new Error(error.message) })
+        })
+        .then(user => {
+            if (!user) throw new Error('target user not found')
 
-    return user.name
+            return user.name
+        })
 }
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/logic/getUserName.test.js b/staff/luis-morlets/unsocial/api/logic/getUserName.test.js
index 0dac04dbd..27e240ae6 100644
--- a/staff/luis-morlets/unsocial/api/logic/getUserName.test.js
+++ b/staff/luis-morlets/unsocial/api/logic/getUserName.test.js
@@ -1,7 +1,15 @@
+import db from 'dat'
 import getUserName from './getUserName.js'
 
-try {
-    console.log(getUserName('m2wd7pkr7xq'))
-} catch (error) {
-    console.error(error)
-}
\ No newline at end of file
+db.connect('mongodb://127.0.0.1:27017/unsocial-test')
+    .then(() => {
+        try {
+            return getUserName('672e20b8106be73d00f7ee7b', '672e2c487f1acbd7a5009c67')
+                .then(console.log)
+                .catch(console.error)
+        } catch (error) {
+            console.error(error)
+        }
+    })
+    .catch(console.error)
+    .finally(() => db.disconnect())
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/logic/likesInteraction.js b/staff/luis-morlets/unsocial/api/logic/likesInteraction.js
index dece9a3b4..fea2df01a 100644
--- a/staff/luis-morlets/unsocial/api/logic/likesInteraction.js
+++ b/staff/luis-morlets/unsocial/api/logic/likesInteraction.js
@@ -1,26 +1,34 @@
+import db from 'dat'
 import { validate } from 'com'
-import { storage } from '../data/index.js'
+
+const { ObjectId } = db
 
 export default (userId, postId) => {
+    validate.id(userId, 'userId')
     validate.id(postId, 'postId')
 
-    const { posts, users } = storage
-
-    const found = users.some(({ id }) => id === userId)
-
-    if (!found) throw new Error('user not found')
-
-    const post = posts.find(({ id }) => id === postId)
-
-    if (!post) throw new Error('Post not found')
+    const userObjectId = ObjectId.createFromHexString(userId)
+    const postObjectId = ObjectId.createFromHexString(postId)
 
-    const { likedBy } = post
+    return Promise.all([
+        db.users.findOne({ _id: userObjectId }),
+        db.posts.findOne({ _id: postObjectId })
+    ])
+        .catch(error => { throw new Error(error.message) })
+        .then(([user, post]) => {
+            if (!user) throw new Error('user not found')
+            if (!post) throw new Error('post not found')
 
-    const index = likedBy.indexOf(userId)
+            const { likes } = post
 
-    if (index < 0) likedBy.push(userId)
+            const found = likes.some(userObjectId => userObjectId.equals(userId))
 
-    else likedBy.splice(index, 1)
+            if (!found)
+                return db.posts.updateOne({ _id: postObjectId }, { $push: { likes: userObjectId } })
+                    .catch(error => { throw new Error(error.message) })
 
-    storage.posts = posts
+            return db.posts.updateOne({ _id: postObjectId }, { $pull: { likes: userObjectId } })
+                .catch(error => { throw new Error(error.message) })
+        })
+        .then(_ => { })
 }
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/logic/likesInteraction.test.js b/staff/luis-morlets/unsocial/api/logic/likesInteraction.test.js
index 4819187a5..a2ad123e2 100644
--- a/staff/luis-morlets/unsocial/api/logic/likesInteraction.test.js
+++ b/staff/luis-morlets/unsocial/api/logic/likesInteraction.test.js
@@ -1,7 +1,15 @@
+import db from 'dat'
 import likesInteraction from './likesInteraction.js'
 
-try {
-    likesInteraction('m2x9yvtmjgu', 'm2xaozivndc')
-} catch (error) {
-    console.error(error)
-}
\ No newline at end of file
+db.connect('mongodb://127.0.0.1:27017/unsocial-test')
+    .then(() => {
+        try {
+            return likesInteraction('672e20b8106be73d00f7ee7b', '67321930d260445bfba74342')
+                .then(console.log)
+                .catch(console.error)
+        } catch (error) {
+            console.error(error)
+        }
+    })
+    .catch(console.error)
+    .finally(() => db.disconnect())
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/logic/registerUser.1.warn.js b/staff/luis-morlets/unsocial/api/logic/registerUser.1.warn.js
new file mode 100644
index 000000000..9f0986189
--- /dev/null
+++ b/staff/luis-morlets/unsocial/api/logic/registerUser.1.warn.js
@@ -0,0 +1,27 @@
+import db from 'dat'
+
+import { validate } from 'com'
+
+let chain = Promise.resolve()
+
+export default (name, email, username, password, passwordRepeat) => {
+    validate.name(name)
+    validate.email(email)
+    validate.username(username)
+    validate.password(password)
+    validate.passwordMatch(password, passwordRepeat)
+
+    chain = chain.then(() => new Promise((resolve, reject) => {
+        db.users.findOne({ $or: [{ email }, { username }] })
+            .then(user => {
+                if (user) throw new Error('user already exists')
+
+                return db.users.insertOne({ name, email, username, password })
+                    .then(_ => resolve())
+                    .catch(error => reject(error))
+            })
+    }))
+
+    return chain
+
+}
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/logic/registerUser.js b/staff/luis-morlets/unsocial/api/logic/registerUser.js
index d56a7da46..e5899db6c 100644
--- a/staff/luis-morlets/unsocial/api/logic/registerUser.js
+++ b/staff/luis-morlets/unsocial/api/logic/registerUser.js
@@ -1,24 +1,19 @@
+import db from 'dat'
+
 import { validate } from 'com'
-import { uuid, storage } from '../data/index.js'
 
 export default (name, email, username, password, passwordRepeat) => {
-
     validate.name(name)
     validate.email(email)
     validate.username(username)
     validate.password(password)
     validate.passwordMatch(password, passwordRepeat)
 
-    const { users } = storage
-
-    let user = users.find(user => user.username === username || user.email === email)
-
-    if (user !== undefined)
-        throw new Error('user already exists')
-
-    user = { id: uuid(), name: name, email: email, username: username, password: password }
-
-    users.push(user)
+    return db.users.insertOne({ name, email, username, password })
+        .then(_ => { })
+        .catch(error => {
+            if (error.code === 11000) throw new Error('user already exists')
 
-    storage.users = users
+            throw new Error(error.message)
+        })
 }
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/logic/registerUser.test.js b/staff/luis-morlets/unsocial/api/logic/registerUser.test.js
index 6a7f233a9..97b5d2b45 100644
--- a/staff/luis-morlets/unsocial/api/logic/registerUser.test.js
+++ b/staff/luis-morlets/unsocial/api/logic/registerUser.test.js
@@ -1,7 +1,16 @@
+import db from 'dat'
+
 import registerUser from './registerUser.js'
 
-try {
-    registerUser('Pin Ocho', 'pin@ocho.com', 'pinocho', '123123123', '123123123')
-} catch (error) {
-    console.error(error)
-}
\ No newline at end of file
+db.connect('mongodb://127.0.0.1:27017/unsocial-test')
+    .then(() => {
+        try {
+            return registerUser('Francisco Miranda', 'francisco@miranda.com', 'franciscom', '123123123', '123123123')
+                .then(console.log)
+                .catch(console.error)
+        } catch (error) {
+            console.error(error)
+        }
+    })
+    .catch(console.error)
+    .finally(() => db.disconnect())
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/logic/removeComment.js b/staff/luis-morlets/unsocial/api/logic/removeComment.js
index 463f409f5..c6c5da997 100644
--- a/staff/luis-morlets/unsocial/api/logic/removeComment.js
+++ b/staff/luis-morlets/unsocial/api/logic/removeComment.js
@@ -1,31 +1,46 @@
-import { storage } from '../data/index.js'
+import db from 'dat'
 
 import { validate } from 'com'
 
+const { ObjectId } = db
+
 export default (userId, postId, commentId) => {
     validate.id(userId, 'userId')
     validate.id(postId, 'postId')
     validate.id(commentId, 'commentId')
 
-    const { posts, users } = storage
-
-    const found = users.some(({ id }) => id === userId)
-
-    if (!found) throw new Error('user not found')
-
-    const post = posts.find(({ id }) => id === postId)
-
-    const { comments } = post
-
-    const index = comments.findIndex(({ id }) => id === commentId)
-
-    if (index < 0) throw new Error('comment not found')
-
-    const { author } = comments[index]
-
-    if (author !== userId) throw new Error('user is not author of comment')
-
-    comments.splice(index, 1)
-
-    storage.posts = posts
+    const userObjectId = ObjectId.createFromHexString(userId)
+    const postObjectId = ObjectId.createFromHexString(postId)
+    const commentObjectId = ObjectId.createFromHexString(commentId)
+
+    return Promise.all([
+        db.users.findOne({ _id: userObjectId }),
+        db.posts.findOne({ _id: postObjectId })
+    ])
+        .catch(error => { throw new Error(error.message) })
+        .then(([user, post]) => {
+            if (!user) throw new Error("user not found")
+            if (!post) throw new Error("post not found")
+
+            const { comments } = post
+
+            const comment = comments.find(comment => comment._id.equals(commentId))
+
+            if (!comment) throw new Error("comment not found")
+
+            const { author } = comment
+
+            if (!author.equals(userId)) {
+                throw new Error("user is not author")
+            }
+            return db.posts.updateOne({ _id: postObjectId },
+                {
+                    $pull: {
+                        comments: { _id: commentObjectId },
+                    },
+                }
+            )
+                .catch(error => { throw new Error(error.message) })
+                .then(_ => { })
+        })
 }
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/logic/removeComment.test.js b/staff/luis-morlets/unsocial/api/logic/removeComment.test.js
index 476b0634a..9d677e2d1 100644
--- a/staff/luis-morlets/unsocial/api/logic/removeComment.test.js
+++ b/staff/luis-morlets/unsocial/api/logic/removeComment.test.js
@@ -1,7 +1,16 @@
+import db from 'dat'
+
 import removeComment from './removeComment.js'
 
-try {
-    removeComment('m2wd7pkr7xq', 'm2xaozivndc', 'm32e79kpesi')
-} catch (error) {
-    console.error(error)
-}
\ No newline at end of file
+db.connect("mongodb://127.0.0.1:27017/unsocial-test")
+    .then(() => {
+        try {
+            return removeComment("672e2c487f1acbd7a5009c67", "67321930d260445bfba74342", "6732267a7b1efe270b964d5b")
+                .then(console.log)
+                .catch(console.error)
+        } catch (error) {
+            console.error(error);
+        }
+    })
+    .catch(console.error)
+    .finally(() => db.disconnect())
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/package-lock.json b/staff/luis-morlets/unsocial/api/package-lock.json
index 8be6d8149..c630c9989 100644
--- a/staff/luis-morlets/unsocial/api/package-lock.json
+++ b/staff/luis-morlets/unsocial/api/package-lock.json
@@ -11,6 +11,7 @@
       "dependencies": {
         "com": "file:../com",
         "cors": "^2.8.5",
+        "dat": "file:../dat",
         "express": "^4.21.1"
       }
     },
@@ -18,6 +19,13 @@
       "version": "1.0.0",
       "license": "ISC"
     },
+    "../dat": {
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "mongodb": "^6.10.0"
+      }
+    },
     "node_modules/accepts": {
       "version": "1.3.8",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
@@ -142,6 +150,10 @@
         "node": ">= 0.10"
       }
     },
+    "node_modules/dat": {
+      "resolved": "../dat",
+      "link": true
+    },
     "node_modules/debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
diff --git a/staff/luis-morlets/unsocial/api/package.json b/staff/luis-morlets/unsocial/api/package.json
index 8b71d6d0b..39e0ca7d8 100644
--- a/staff/luis-morlets/unsocial/api/package.json
+++ b/staff/luis-morlets/unsocial/api/package.json
@@ -15,6 +15,7 @@
   "dependencies": {
     "com": "file:../com",
     "cors": "^2.8.5",
+    "dat": "file:../dat",
     "express": "^4.21.1"
   }
 }
diff --git a/staff/luis-morlets/unsocial/api/test/add-comment.sh b/staff/luis-morlets/unsocial/api/test/add-comment.sh
index aa1954223..df7cb652f 100644
--- a/staff/luis-morlets/unsocial/api/test/add-comment.sh
+++ b/staff/luis-morlets/unsocial/api/test/add-comment.sh
@@ -1 +1 @@
- curl -H 'Authorization: Basic m2wd7pkr7xq' -H 'Content-Type: application/json' -d '{"text":"Bolivar te anda buscando la negra Matea"}' http://localhost:8080/posts/m2xaozivndc/comments -v
\ No newline at end of file
+ curl -H 'Authorization: Basic 672e20b8106be73d00f7ee7b' -H 'Content-Type: application/json' -d '{"text":"Bolivar te anda buscando la negra Matea"}' http://localhost:8080/posts/6731bc157694cc12fa4aa6ce/comments -v
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/test/authenticate-user.sh b/staff/luis-morlets/unsocial/api/test/authenticate-user.sh
index 3b6c86fbd..163b26e78 100644
--- a/staff/luis-morlets/unsocial/api/test/authenticate-user.sh
+++ b/staff/luis-morlets/unsocial/api/test/authenticate-user.sh
@@ -1 +1 @@
- curl -H 'Content-Type: application/json' -d '{"username":"pepitogrillo","password":"123123123"}' http://localhost:8080/authenticate -v
\ No newline at end of file
+ curl -H 'Content-Type: application/json' -d '{"username":"simoncito","password":"123123123"}' http://localhost:8080/authenticate -v
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/test/create-post.sh b/staff/luis-morlets/unsocial/api/test/create-post.sh
index c75a7bed5..cfdb0c112 100644
--- a/staff/luis-morlets/unsocial/api/test/create-post.sh
+++ b/staff/luis-morlets/unsocial/api/test/create-post.sh
@@ -1 +1 @@
- curl -H 'Authorization: Basic m2wd7pkr7xq' -H 'Content-Type: application/json' -d '{"image":"https://pixabay.com/get/g06da7d838998e600f884be0c6558604c482fa15c277d7900f4dc77dee8cc3050c9b5368341311c84f0aa204aa7b82a3e_1280.jpg","text":"En la chamba"}' http://localhost:8080/posts -v
\ No newline at end of file
+ curl -H 'Authorization: Basic 672e2c487f1acbd7a5009c67' -H 'Content-Type: application/json' -d '{"image":"https://pixabay.com/get/g06da7d838998e600f884be0c6558604c482fa15c277d7900f4dc77dee8cc3050c9b5368341311c84f0aa204aa7b82a3e_1280.jpg","text":"En la chamba"}' http://localhost:8080/posts -v
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/test/delete-post.sh b/staff/luis-morlets/unsocial/api/test/delete-post.sh
index 5dafa1a5c..30141dc96 100644
--- a/staff/luis-morlets/unsocial/api/test/delete-post.sh
+++ b/staff/luis-morlets/unsocial/api/test/delete-post.sh
@@ -1 +1 @@
- curl -H 'Authorization: Basic m2wd7pkr7xq' -X DELETE http://localhost:8080/posts/m2xjhal531h -v
\ No newline at end of file
+ curl -H 'Authorization: Basic 672e2c487f1acbd7a5009c67' -X DELETE http://localhost:8080/posts/672e40d1c379b39ec9410cd3 -v
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/test/get-comments.sh b/staff/luis-morlets/unsocial/api/test/get-comments.sh
index e55e60523..6f438677a 100644
--- a/staff/luis-morlets/unsocial/api/test/get-comments.sh
+++ b/staff/luis-morlets/unsocial/api/test/get-comments.sh
@@ -1 +1 @@
-curl -H 'Authorization: Basic m2x9yvtmjgu' http://localhost:8080/posts/m2xaozivndc/comments -v
\ No newline at end of file
+curl -H 'Authorization: Basic 672e2c487f1acbd7a5009c67' http://localhost:8080/posts/67331278d9522b9878546bd3/comments -v
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/test/get-posts.sh b/staff/luis-morlets/unsocial/api/test/get-posts.sh
index 47f362af3..c423cd267 100644
--- a/staff/luis-morlets/unsocial/api/test/get-posts.sh
+++ b/staff/luis-morlets/unsocial/api/test/get-posts.sh
@@ -1 +1 @@
- curl -H 'Authorization: Basic m2wd7pkr7xq' http://localhost:8080/posts -v
\ No newline at end of file
+ curl -H 'Authorization: Basic 672e2c487f1acbd7a5009c67' http://localhost:8080/posts -v
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/test/get-user-name.sh b/staff/luis-morlets/unsocial/api/test/get-user-name.sh
index 990425472..63fa7212b 100644
--- a/staff/luis-morlets/unsocial/api/test/get-user-name.sh
+++ b/staff/luis-morlets/unsocial/api/test/get-user-name.sh
@@ -1 +1 @@
-curl -H 'Authorization: Basic m2wakjmutke' http://localhost:8080/users/m2wakjmutke/name -v
\ No newline at end of file
+curl -H 'Authorization: Basic 672e20b8106be73d00f7ee7b' http://localhost:8080/users/672e2c487f1acbd7a5009c67/name -v
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/test/likes-interaction.sh b/staff/luis-morlets/unsocial/api/test/likes-interaction.sh
index c44655f80..64f410998 100644
--- a/staff/luis-morlets/unsocial/api/test/likes-interaction.sh
+++ b/staff/luis-morlets/unsocial/api/test/likes-interaction.sh
@@ -1 +1 @@
-curl -H 'Authorization: Basic m2wd1d38rhe' -X PATCH http://localhost:8080/posts/m2xaozivndc/likes -v
\ No newline at end of file
+curl -H 'Authorization: Basic 672e20b8106be73d00f7ee7b' -X PATCH http://localhost:8080/posts/6731bc157694cc12fa4aa6ce/likes -v
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/test/register-user.sh b/staff/luis-morlets/unsocial/api/test/register-user.sh
index 16867f646..0efc2b780 100644
--- a/staff/luis-morlets/unsocial/api/test/register-user.sh
+++ b/staff/luis-morlets/unsocial/api/test/register-user.sh
@@ -1 +1 @@
- curl -H 'Content-Type: application/json' -d '{"name":"Pepito Grillo","email":"pepito@grillo.com","username":"pepitogrillo","password":"123123123","password-repeat":"123123123"}' http://localhost:8080/register -v
\ No newline at end of file
+ curl -H 'Content-Type: application/json' -d '{"name":"Simon Bolivar","email":"simon@bolivar.com","username":"simoncito","password":"123123123","password-repeat":"123123123"}' http://localhost:8080/register -v
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/api/test/remove-comment.sh b/staff/luis-morlets/unsocial/api/test/remove-comment.sh
index 69451025e..66bba7388 100644
--- a/staff/luis-morlets/unsocial/api/test/remove-comment.sh
+++ b/staff/luis-morlets/unsocial/api/test/remove-comment.sh
@@ -1 +1 @@
-curl -H 'Authorization: Basic m2wd7pkr7xq' -X DELETE http://localhost:8080/posts/m2xaozivndc/comments/m32dvxttqm -v
\ No newline at end of file
+curl -H 'Authorization: Basic 672e20b8106be73d00f7ee7b' -X DELETE http://localhost:8080/posts/6731bc157694cc12fa4aa6ce/comments/6731bcb97694cc12fa4aa6cf -v
\ No newline at end of file
diff --git a/staff/luis-morlets/unsocial/app/src/components/functional/PostItem.jsx b/staff/luis-morlets/unsocial/app/src/components/functional/PostItem.jsx
index ea2d7e8e0..140835e38 100644
--- a/staff/luis-morlets/unsocial/app/src/components/functional/PostItem.jsx
+++ b/staff/luis-morlets/unsocial/app/src/components/functional/PostItem.jsx
@@ -12,7 +12,7 @@ import './PostItem.css'
 export default function PostItem({ post, onLiked, onDeleted, onCommented, onCommentRemoved }) {
     const [view, setView] = useState(null)
 
-    const { id, author, image, text, date, liked, likedBy, comments } = post
+    const { id, author, image, text, date, liked, likes, comments } = post
 
     const handleLikeClick = () => {
         try {
@@ -71,7 +71,7 @@ export default function PostItem({ post, onLiked, onDeleted, onCommented, onComm
         <div className="container">
             <div className="likes">
                 <Button type="button" className="likes" onClick={handleLikeClick}>{`${liked ? '❤️' : '🤍'}`}</Button>
-                <span>{`${likedBy.length} likes`}</span>
+                <span>{`${likes} likes`}</span>
 
                 <Button className="comments" onClick={handleCommentsClick}>💬 {comments}</Button>
 
diff --git a/staff/luis-morlets/unsocial/app/src/logic/deletePost.js b/staff/luis-morlets/unsocial/app/src/logic/deletePost.js
index 2785ff4ab..7b598362f 100644
--- a/staff/luis-morlets/unsocial/app/src/logic/deletePost.js
+++ b/staff/luis-morlets/unsocial/app/src/logic/deletePost.js
@@ -10,9 +10,7 @@ export default (postId, callback) => {
         const { status, response } = xhr
 
         if (status === 204) {
-            const postId = JSON.parse(response)
-
-            callback(null, postId)
+            callback(null)
 
             return
         }
diff --git a/staff/luis-morlets/unsocial/dat/index.js b/staff/luis-morlets/unsocial/dat/index.js
index e69de29bb..e5137f792 100644
--- a/staff/luis-morlets/unsocial/dat/index.js
+++ b/staff/luis-morlets/unsocial/dat/index.js
@@ -0,0 +1,26 @@
+import { MongoClient, ObjectId } from 'mongodb'
+
+
+function connect(mongoUrl) {
+    const client = new MongoClient(mongoUrl)
+
+    return client.connect()
+        .then(() => {
+            const db = client.db()
+
+            this.users = db.collection('users')
+            this.posts = db.collection('posts')
+
+            this.disconnect = () => client.close()
+        })
+}
+
+const db = {
+    connect,
+    users: null,
+    posts: null,
+    disconnect: null,
+    ObjectId
+}
+
+export default db
\ No newline at end of file