How is git used in team development based on the laravel framework?

  question

Because it is necessary to clone other people’s branches frequently (for example, to help others change bugs, etc.), you can’t composer install them every time. . . So, what is the correct process for team development when the laravel framework writes the project?

Or, bosses, how do you use inside git in your daily development based on the laravel framework? …

The problem is not clearly expressed, so ask for help. …

I submitted vendor directly to the warehouse.
However, composer install will use the cache after one time, which is also very fast.