Blog Template page

<?php
/*

Template Name: Blog Template

 */

?>

<?php
    get_header();

    if (have_posts()) :
        while (have_posts()) :
            the_post();

            the_content();
        endwhile;
    endif;
    ?>

    <div class="container">

    <?php
        $custom_args = array(
            'post_type'=> 'post',
            'paged'=>$paged
        );
        $custom_blog_query = new WP_Query($custom_args);
    ?>

        <div id="primary" class="content-area">
            <main id="main" class="site-main" role="main">

            <?php
                if ($custom_blog_query->have_posts()) :
                    while ($custom_blog_query->have_posts()) :
                        $custom_blog_query->the_post();

                        get_template_part( 'template-parts/content', get_post_format() );

                    endwhile;
                endif;

                wp_reset_postdata();
            ?>

            <?php the_posts_navigation(); ?>

            </main>

        </div>

    <?php get_sidebar(); ?>

    </div>

    <?php get_footer(); ?>