<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Upload toaster</title>
</head>
<body>
    <form action = "/api/upload" method = "POST" enctype = "multipart/form-data">
        <input type = "file" name = "file" />
        <input type = "submit"/>
        <input type="hidden" id="write_to" name="runtime_context" value="docker">
    </form>
</body>
</html>