Associate all Custom Post Types with Taxonomy

You simply made a mistake on the key to use : it’s taxonomies not taxonomy.

$args = array(
    'taxonomies' => array('publications')
);
register_post_type( 'imagery', $args );

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)