Creación del módulo coppermine_test

Crea esta nueva estructura:

mkdir -p web/modules/custom/coppermine_test/src/Controller

Crea coppermine_test.info.yml

Ruta: web/modules/custom/coppermine_test/coppermine_test.info.yml

yaml
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name: 'Coppermine Test'
type: module
description: 'Prueba mínima funcional para Coppermine.'
core_version_requirement: ^10
package: Custom

Crea coppermine_test.routing.yml

Ruta: web/modules/custom/coppermine_test/coppermine_test.routing.yml

yaml
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coppermine_test.test:
  path: '/coppermine/test'
  defaults:
    _controller: '\Drupal\coppermine_test\Controller\AlbumController::test'
    _title: 'Coppermine Test'
  requirements:
    _permission: 'access content'

Crea AlbumController.php

Ruta: web/modules/custom/coppermine_test/src/Controller/AlbumController.php

php
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<?php

namespace Drupal\coppermine_test\Controller;

use Drupal\Core\Controller\ControllerBase;

class AlbumController extends ControllerBase {
  public function test() {
    return [
      '#markup' => $this->t('¡Coppermine Test está funcionando!'),
    ];
  }
}

🔁 6. Limpia caché y activa el módulo

bash
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drush cr
drush en coppermine_test -y

🌍 7. Abre en el navegador:

arduino
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http://localhost/coppermine/test