<?php $cats = get_the_category(); ?>

<a href="<?php the_permalink(); ?>">
<?php if(has_post_thumbnail()): ?>
<?php the_post_thumbnail('my_thumbnail_middle'); ?>
<?php else: ?>
<img src="<?php echo get_template_directory_uri(); ?>/assets/img/img_noimage.jpg" alt="noimage">
<?php endif; ?>
</a>
<time><?php the_time('Y.m.d'); ?></time>
<?php foreach($cats as $cat): ?>
<a href="<?php echo get_category_link($cat->cat_ID); ?>"><?php echo $cat->cat_name; ?></a>
<?php endforeach; ?>
<a href="<?php the_permalink(); ?>"><?php the_title(); ?></a>