diff --git a/mongo-init.js b/mongo-init.js
new file mode 100644
index 0000000..56542b7
--- /dev/null
+++ b/mongo-init.js
@@ -0,0 +1,12 @@
+/* eslint-disable no-undef */
+db = db.getSiblingDB(process.env.DB_NAME);
+db.createUser({
+    user: process.env.DB_USERNAME,
+    pwd: process.env.DB_PASSWORD,
+    roles: [
+        {
+            role: 'readWrite',
+            db: process.env.DB_NAME,
+        },
+    ],
+});