shipping-portal/routes/packing_list.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', 'FetchContainerController@fetch')->name('show');
        Route::get('/list', 'ListContainersController@list')->name('list');
        Route::post('/create', 'CreateContainerController@create')->name('create');
        Route::put('/update/{id}', 'UpdateContainerController@update')->name('update');
        Route::delete('/delete/{id}', 'DeleteContainerController@delete')->name('delete');
    });

    Route::group(['namespace' => 'Packages', 'as' => 'package.', 'prefix' => 'package'], function () {
        Route::get('/{id}/show', 'FetchPackageController@fetch')->name('show');
        Route::get('/list', 'ListPackagesController@list')->name('list');
        Route::post('/create', 'CreatePackageController@create')->name('create');
        Route::put('/update/{id}', 'UpdatePackageController@update')->name('update');
        Route::delete('/delete/{id}', 'DeletePackageController@delete')->name('delete');

        Route::group(['namespace' => 'PackageItems', 'prefix' => 'item', 'as' => 'item.'], function () {
            Route::get('/{id}/show', 'FetchPackageItemController@fetch')->name('show');
            Route::get('/list', 'ListPackageItemsController@list')->name('list');
            Route::post('/create', 'CreatePackageItemController@create')->name('create');
            Route::put('/update/{id}', 'UpdatePackageItemController@update')->name('update');
            Route::delete('/delete/{id}', 'DeletePackageItemController@delete')->name('delete');
        });
    });

});