1、进入 php-fpm 容器
 
docker exec -it 容器ID /bin/bash 
2、编译phpGD库扩展
 
# 更新软件源
apt-get update
 
# 安装相关库
apt-get install -y libwebp-dev libjpeg-dev libpng-dev libfreetype6-dev
 
# 解压源码
docker-php-source extract
 
# gd 源码文件夹
cd /usr/src/php/ext/gd
docker-php-ext-configure gd --help //查看参数
docker-php-ext-configure gd --with-webp=/usr/include/webp --with-jpeg=/usr/include --with-freetype=/usr/include/freetype2
make && make install
cd /usr/local/lib/php/extensions/no-debug-non-zts-20190902/
ls 
gd.so  opcache.so  sodium.so
 
3:安装gd扩展
 
docker-php-ext-install gd