How to use composer

1. install composer

docker pull composer

2. go inside project file eg:

/projects/my-project

3. run the following command

docker run --rm --interactive --tty \
   --volume $PWD:/app \
   composer install --ignore-platform-reqs --no-scripts

alternative. ( windows )

docker run --rm --interactive --tty --volume "$(pwd):/app" composer install --ignore-platform-reqs --no-scripts

or shorter

docker run --rm -v "$(pwd):/app" composer/composer install --ignore-platform-reqs --no-scripts

an example to create laravel project

docker run --rm -v "$(pwd):/app" composer/composer create-project --prefer-dist laravel/laravel src --ignore-platform-reqs --no-scripts