src/apidoc.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8"/>
    <meta content="width=device-width, initial-scale=1" name="viewport"/>
    <meta
            content="SwaggerIU"
            name="description"
    />
    <title>SwaggerUI</title>
    <link href="https://unpkg.com/swagger-ui-dist@4.5.0/swagger-ui.css" rel="stylesheet"/>
</head>
<body>
<div id="swagger-ui"></div>
<script crossorigin src="https://unpkg.com/swagger-ui-dist@4.5.0/swagger-ui-bundle.js"></script>
<script crossorigin src="https://unpkg.com/swagger-ui-dist@4.5.0/swagger-ui-standalone-preset.js"></script>
<script>
    window.onload = () => {
        window.ui = SwaggerUIBundle({
                                        url:     'api-docs/api.json',
                                        dom_id:  '#swagger-ui',
                                        presets: [
                                            SwaggerUIBundle.presets.apis,
                                            SwaggerUIStandalonePreset
                                        ],
                                        layout:  "StandaloneLayout",
                                    });
    };
</script>
</body>
</html>