Proxy for composer

Before run command composer, run the follow command setup proxy for terminal temporary.

export http_proxy='127.0.0.1:1087'
export https_proxy='127.0.0.1:1087'
composer install

leo@Hac:~$ export http_proxy='127.0.0.1:1087'
leo@Hac:~$ export https_proxy='127.0.0.1:1087'
leo@Hac:~$ composer install

BTW: local proxy service need built by yourself.