diff --git a/backend/README.md b/backend/README.md
new file mode 100644
index 0000000..a8399ff
--- /dev/null
+++ b/backend/README.md
@@ -0,0 +1,5 @@
+# Lateinicus Server
+## Requirements
+- a database called `lateinicus`
+- a user called `backend` on the database `lateinicus`
+  - the role `readWrite` for the database `lateinicus`
diff --git a/backend/src/main.ts b/backend/src/main.ts
index dbbabf1..0293cf1 100644
--- a/backend/src/main.ts
+++ b/backend/src/main.ts
@@ -1,3 +1,6 @@
+import { env } from "process";
+import * as assert from "assert";
+
 import * as express from "express";
 import * as cors from "cors";
 
@@ -15,13 +18,15 @@ const baseRouter = express.Router();
 const authRouter = express.Router();
 
 import { MongoClient } from "mongodb";
-const assert = require('assert');
+
+const user = encodeURIComponent("backend");
+const password = encodeURIComponent(env["LATEINICUS_USER_PW"]);
 
 (async function() {
-    // Connection URL
-    const url = 'mongodb://128.1.0.2:27017/myproject';
     // Database Name
-    const dbName = 'myproject';
+    const dbName = 'lateinicus';
+    // Connection URL
+    const url = `mongodb://${user}:${password}@128.1.0.2:27017/?authMechanism=SCRAM-SHA-1&authSource=${dbName}`;
     let client: MongoClient;
 
     try {
@@ -30,7 +35,7 @@ const assert = require('assert');
         console.log("Connected to MongoDB");
     } catch (err) {
         console.log(err.stack);
-        assert(1, 2);
+        assert(false);
     }
 
     const db = client.db(dbName);
diff --git a/compose.yml b/compose.yml
index d931892..3171cbc 100644
--- a/compose.yml
+++ b/compose.yml
@@ -2,7 +2,11 @@ version: "3.6"
 
 services:
   db:
-    image: mongo:4.1.3-xenial
+    image: mongo:4.0.2-xenial
+    command: mongod --config /etc/mongo/mongod.conf
+    volumes:
+      - ./server/db/:/etc/mongo/db/:rw
+      - ./server/mongod.conf:/etc/mongo/mongod.conf:ro
     expose:
       - "27017"
     networks:
@@ -11,6 +15,8 @@ services:
 
   backend:
     image: lateinicus/server
+    environment:
+      - LATEINICUS_USER_PW=abc123
     expose:
       - "8080"
     depends_on:
diff --git a/server/mongod.conf b/server/mongod.conf
new file mode 100644
index 0000000..8846ab8
--- /dev/null
+++ b/server/mongod.conf
@@ -0,0 +1,10 @@
+storage:
+    engine: wiredTiger
+    dbPath: /etc/mongo/db/
+
+security:
+    authorization: enabled
+    javascriptEnabled: false
+
+net:
+    port: 27017
\ No newline at end of file