@app.route('/')
@app.route('/page/<int:page_number>/')
def index(page_number=1):
    path = '' if request.url_rule.rule == '/' else request.url.replace(request.url_root, '/')
    context = {
        'pagination': Pagination(page_number, settings.PER_PAGE, sorted_pages),
        'canonical_url': '{root}{path}'.format(root=settings.ROOT_URL, path=path)
    }
    return render_template('index.html', context=context)