diff --git a/peerprep/backend/collab-service/.env b/peerprep/backend/collab-service/.env
new file mode 100644
index 0000000000..e34d17d6cc
--- /dev/null
+++ b/peerprep/backend/collab-service/.env
@@ -0,0 +1,6 @@
+DB_CLOUD_URI=mongodb+srv://default:yN2zzXYyZz9CTwsB@peerprep-collab-service.c0em2.mongodb.net/
+DB_LOCAL_URI=mongodb://127.0.0.1:27017/peerprepCollabServiceDB
+PORT=1234
+
+# Will use cloud MongoDB Atlas database
+ENV=PROD
\ No newline at end of file
diff --git a/peerprep/backend/collab-service/Dockerfile b/peerprep/backend/collab-service/Dockerfile
new file mode 100644
index 0000000000..2783648186
--- /dev/null
+++ b/peerprep/backend/collab-service/Dockerfile
@@ -0,0 +1,8 @@
+FROM node:22-alpine
+
+COPY package.json package-lock.json ./
+RUN npm install
+
+COPY . .
+
+CMD ["npm", "start"]
\ No newline at end of file
diff --git a/peerprep/backend/collab-service/config/db.js b/peerprep/backend/collab-service/config/db.js
new file mode 100644
index 0000000000..d62735daab
--- /dev/null
+++ b/peerprep/backend/collab-service/config/db.js
@@ -0,0 +1,22 @@
+const mongoose = require('mongoose');
+const dotenv = require('dotenv');
+
+dotenv.config();
+
+const connectDB = async () => {
+  try {
+    const uri = process.env.ENV === 'PROD' ? process.env.DB_CLOUD_URI : process.env.DB_LOCAL_URI;
+
+    if (!uri) {
+      throw new Error("MongoDB URI is not defined in environment variables");
+    }
+
+    await mongoose.connect(uri);
+    console.log("MongoDB Connected!");
+  } catch (error) {
+    console.error(`Error connecting to MongoDB: ${error.message}`);
+    process.exit(1);
+  }
+};
+
+module.exports = connectDB;
diff --git a/peerprep/backend/collab-service/package-lock.json b/peerprep/backend/collab-service/package-lock.json
new file mode 100644
index 0000000000..91775fd89c
--- /dev/null
+++ b/peerprep/backend/collab-service/package-lock.json
@@ -0,0 +1,1576 @@
+{
+  "name": "collab-service",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
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+      "version": "1.0.0",
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+        "yjs": "^13.4.12"
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+      "engines": {
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+      }
+    },
+    "node_modules/@mongodb-js/saslprep": {
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+    },
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+        "type": "GitHub Sponsors ❤",
+        "url": "https://github.com/sponsors/dmonad"
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+  }
+}
diff --git a/peerprep/backend/collab-service/package.json b/peerprep/backend/collab-service/package.json
new file mode 100644
index 0000000000..6c50e63204
--- /dev/null
+++ b/peerprep/backend/collab-service/package.json
@@ -0,0 +1,30 @@
+{
+  "name": "collab-service",
+  "version": "1.0.0",
+  "description": "Demo server that serves the static assets and provides a shared websocket backend.",
+  "main": "src/server.js",
+  "scripts": {
+    "start": "node ./src/server.js",
+    "start:nostatic": "node ./src/server.js --nostatic"
+  },
+  "author": "Kevin Jahns <kevin.jahns@protonmail.com",
+  "license": "MIT",
+  "standard": {
+    "ignore": [
+      "/dist",
+      "/node_modules"
+    ]
+  },
+  "dependencies": {
+    "dotenv": "^16.4.5",
+    "express": "^4.21.1",
+    "mongoose": "^8.7.3",
+    "node-static": "^0.7.11",
+    "ws": "^7.4.2",
+    "y-websocket": "^1.3.9",
+    "yjs": "^13.4.12"
+  },
+  "engines": {
+    "node": ">=16.0.0"
+  }
+}
diff --git a/peerprep/backend/collab-service/src/controller/collab-controller.js b/peerprep/backend/collab-service/src/controller/collab-controller.js
new file mode 100644
index 0000000000..185953b916
--- /dev/null
+++ b/peerprep/backend/collab-service/src/controller/collab-controller.js
@@ -0,0 +1,27 @@
+// collab-controller.js
+const mongoose = require('mongoose');
+
+// Define a schema and model for the document
+const documentSchema = new mongoose.Schema({
+  name: { type: String, required: true },
+  data: { type: Buffer, required: true },
+});
+
+const DocumentModel = mongoose.model('Document', documentSchema);
+
+// Retrieve a document by name and return its data as a Uint8Array
+async function getDocument(documentName) {
+  const document = await DocumentModel.findOne({ name: documentName });
+  return document ? new Uint8Array(document.data) : new Uint8Array();
+}
+
+// Update or insert a document with a given name and state
+async function storeDocument(documentName, state) {
+  await DocumentModel.updateOne(
+    { name: documentName },
+    { $set: { data: state } },
+    { upsert: true }
+  );
+}
+
+module.exports = { getDocument, storeDocument };
diff --git a/peerprep/backend/collab-service/src/server.js b/peerprep/backend/collab-service/src/server.js
new file mode 100644
index 0000000000..a6fac28f13
--- /dev/null
+++ b/peerprep/backend/collab-service/src/server.js
@@ -0,0 +1,55 @@
+const express = require('express');
+const WebSocket = require('ws');
+const http = require('http');
+const StaticServer = require('node-static').Server;
+const ywsUtils = require('y-websocket/bin/utils');
+const setupWSConnection = ywsUtils.setupWSConnection;
+const docs = ywsUtils.docs;
+const connectDB = require('../config/db');
+const { storeDocument, getDocument } = require('./controller/collab-controller');
+
+const app = express();
+const server = http.createServer(app);
+const wss = new WebSocket.Server({ server });
+
+app.use(express.json());
+
+// Connect to MongoDB
+connectDB();
+
+// Endpoint to save a document to MongoDB
+app.post('/api/saveDocument', async (req, res) => {
+  try {
+    const { name, data } = req.body;
+    await storeDocument(name, Buffer.from(data));
+    res.status(200).json({ message: 'Document saved successfully' });
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
+// Endpoint to retrieve a document from MongoDB
+app.get('/api/getDocument/:name', async (req, res) => {
+  try {
+    const name = req.params.name;
+    const documentData = await getDocument(name);
+    res.status(200).json({ data: Array.from(documentData) });
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
+// Serve static files and set up WebSocket connections for y-websocket
+const staticServer = new StaticServer('../', { cache: false, gzip: true });
+app.get('*', (req, res) => {
+  staticServer.serve(req, res);
+});
+
+wss.on('connection', (conn, req) => {
+  setupWSConnection(conn, req, { gc: req.url.slice(1) !== 'ws/prosemirror-versions' });
+});
+
+const PORT = process.env.PORT || 1234;
+server.listen(PORT, () => {
+  console.log(`Server is running at http://localhost:1234`);
+});
diff --git a/peerprep/backend/docker-compose.yaml b/peerprep/backend/docker-compose.yaml
index aef4a440fe..3f12131123 100644
--- a/peerprep/backend/docker-compose.yaml
+++ b/peerprep/backend/docker-compose.yaml
@@ -24,4 +24,14 @@ services:
     ports:
       - "3000:3000"
     env_file:
-      - ./matching-service/.env
\ No newline at end of file
+      - ./matching-service/.env
+
+  collab-service:
+    build:
+      context: ./collab-service
+      dockerfile: Dockerfile
+    ports:
+      - "1234:1234"
+      - "3003:3003"
+    env_file:
+      - ./collab-service/.env
\ No newline at end of file