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I followed two beginner tutorials explaining how to set up a Laravel project in Linux (Ubuntu 20.04):

https://laravel.com/docs/8.x#getting-started-on-linux

https://www.arubacloud.com/tutorial/how-to-run-laravel-in-a-docker-container-using-laravel-sail.aspx

There, the following code is provided (example from the first tutorial):

curl -s "https://laravel.build/example-app" | bash
cd example-app
./vendor/bin/sail up

When trying to use the command ./vendor/bin/sail up in a Laravel, I receive an error unknown shorthand flag: 'q' in -q, followed by the docker help instructions. This arises even though I did not even use the -q flag.

How to solve this problem?

Answers

The -q flaq is used by the docker-compose command in the sail file in the folder ./vendor/bin.

The problem arises because the package docker-compose is not installed. It can be installed by the following command:

sudo apt install docker-compose