Update form with EJS variables

update_drug.ejs

<!-- add header -->
<%- include('includes/_header') %>
<!-- end header -->
<!-- Main section -->
<main id="main">
  <a href="/">
    <span class="text-gradient"> All Drugs</span>
  </a>

<h2>Edit <%= drug.name %></h2>
<span>Use the below form to edit a drug</span>
 <!-- Update drug form -->
 <form method="POST" id="update_drug">
    <div class="new_drug">
        <div class="form-group">             
            <label for="name" class="text-light">Drug Name</label>
            <input type="hidden" name="id" value="<%= drug._id %>">
            <input type="text" name="name" value="<%= drug.name %>" placeholder="Drug Name">
        </div>
        <div class="form-group">
            <label for="card" class="text-light">Tablets per Card</label>
            <input type="number" name="card" value="<%= drug.card %>" placeholder="Tablets per Card" min="1" max="500">
        </div>
        <div class="form-group">
            <label for="pack" class="text-light">Tablets per Pack</label>
            <input type="number" name="pack" value="<%= drug.pack %>" placeholder="Tablets per Pack" min="1" max="500">
        </div>
        <div class="form-group">
            <label for="perDay" class="text-light">Taken per day</label>
            <input type="number" name="perDay" value="<%= drug.perDay %>" placeholder="Taken per day" min="1" max="500">
        </div>

        <div class="form-group">
            <button type="submit">Edit Drug</button>
        </div>

    </div>
</form>
</main>
<!-- End main section -->
<!-- add footer -->
<%- include('includes/_footer') %>
<!-- end footer