docker安装gd库扩展

参考：https://blog.csdn.net/qq_25194685/article/details/90407929

apt update #更新软件源

apt install -y libwebp-dev libjpeg-dev libpng-dev libfreetype6-dev #安装各种库

docker-php-source extract #解压源码

cd /usr/src/php/ext/gd #gd源码文件夹

docker-php-ext-configure gd –with-webp-dir=/usr/include/webp –with-jpeg-dir=/usr/include –with-png-dir=/usr/include –with-freetype-dir=/usr/include/freetype2 #准备编译

docker-php-ext-install gd #编译安装

php -m | grep gd