php的docker容器内安装composer

访问Composer (getcomposer.org)官网,

在容器内按以下顺序执行一遍命令。

php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
php -r "if (hash_file('sha384', 'composer-setup.php') === 'dac665fdc30fdd8ec78b38b9800061b4150413ff2e3b6f88543c636f7cd84f6db9189d43a81e5503cda447da73c7e5b6') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
php composer-setup.php
php -r "unlink('composer-setup.php');"

然后,移动到/usr/local/bin目录即可。
sudo mv composer.phar /usr/local/bin/composer

最后,记得保存容器,可以参考docker保存容器为镜像并上传到dockerhub – crud wiki方法。

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