Create a New Drupal Project:

   composer create-project drupal/recommended-project my_project_name

Install Dependencies:

   composer install

Update Dependencies (including Drupal Core):

   composer update

Update Drupal Core:

   composer update drupal/core webflo/drupal-core-require-dev --with-dependencies

Add a New Module:

   composer require drupal/module_name

Remove a Module:

   composer remove drupal/module_name

Show Installed Packages:

   composer show

Autoload Regeneration:

   composer dump-autoload

Clear Composer Cache:

   composer clear-cache

Check Composer Version:

   composer -v

Self-update Composer:

bash composer self-update

These commands are fundamental when working with Drupal projects managed by Composer. Keep in mind that the specific commands you use may vary depending on the project’s structure and requirements. Always refer to the official Composer documentation for more details and options.