dockerFile 中安装composer....
RUN curl -s -f -L -o /tmp/installer.php https://raw.githubusercontent.com/composer/getcomposer.org/da290238de6d63faace0343efbdd5aa9354332c5/web/installer \ && php -r " \ \$signature = ‘669656bab3166a7aff8a7506b8cb2d1c292f042046c5a994c43155c0be6190fa0355160742ab2e1c88d40d5be660b410‘; \$hash = hash(‘SHA384‘, file_get_contents(‘/tmp/installer.php‘)); if (!hash_equals(\$signature, \$hash)) { unlink(‘/tmp/installer.php‘); echo ‘Integrity check failed, installer is either corrupt or worse.‘ . PHP_EOL; exit(1); }" \ && php /tmp/installer.php --no-ansi --install-dir=/usr/bin --filename=composer --version=${COMPOSER_VERSION} && composer --ansi --version --no-interaction && composer config -g repo.packagist composer https://packagist.phpcomposer.com \ && rm -rf /tmp/* /tmp/.htaccess
执行到
php /tmp/installer.php
报 "Failed to decode zlib stream"
原因是：网络连接的问题 请使用代理～
参考：https://github.com/composer/composer/issues/4619
composer "Failed to decode zlib stream"
原文：https://www.cnblogs.com/zjhblogs/p/10631289.html