shipping-portal/routes/packinglist.php

<?php

use Illuminate\Support\Facades\Route;

Route::group(['namespace' => 'PackingLists', 'as' => 'packing_list.', 'prefix' => 'packing_list'], function () {
    Route::get('/{id}/show', 'FetchPackingListController@fetch')->name('show');
    Route::get('/list', 'ListPackingListsController@list')->name('list');
    Route::post('/create', 'CreatePackingListController@create')->name('create');
    Route::put('/update/{id}', 'UpdatePackingListController@update')->name('update');
    Route::delete('/delete/{id}', 'DeletePackingListController@delete')->name('delete');

    Route::group(['namespace' => 'Containers', 'prefix' => 'container', 'as' => 'container.'], function () {
        Route::get('/{id}/show', 'FetchContainerPackingListController@fetch')->name('show');
        Route::get('/list', 'ListContainerPackingListsController@list')->name('list');
        Route::post('/create', 'CreateContainerPackingListController@create')->name('create');
        Route::put('/update/{id}', 'UpdateContainerPackingListController@update')->name('update');
        Route::delete('/delete/{id}', 'DeleteContainerPackingListController@delete')->name('delete');
    });
});