modify the <a href=/v1.8/docs/examples/bookinfo/>Bookinfo sample application</a> to use your database.</p><h3 id=setting-up-the-ratings-database>Setting up the ratings database</h3><p>For this task you set up an instance of <a href=https://www.mongodb.com>MongoDB</a>. You can use any MongoDB instance; I used
<a href=https://www.ibm.com/cloud/compose/mongodb>Compose for MongoDB</a>.</p><ol><li><p>Set an environment variable for the password of your <code>admin</code> user. To prevent the password from being 