docker-php 安装 freetype和gd

https://www.west.cn/docs/147473.html
↓
https://blog.csdn.net/weixin_33895604/article/details/93345802
↓
https://www.cnblogs.com/i6010/articles/14379958.html
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https://download.savannah.gnu.org/releases/freetype/

简单终极版，可以尝试
https://zhuanlan.zhihu.com/p/381019429

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apk add libpng-dev libjpeg

wget https://download.savannah.gnu.org/releases/freetype/freetype-2.10.0.tar.gz
./configure --prefix=/usr/local/freetype
make && make install

wget http://www.ijg.org/files/jpegsrc.v8b.tar.gz
./configure --prefix=/usr/local/jpeg --enable-shared --enable-static
make && make install

docker-php-ext-configure gd --with-jpeg=/usr/local/jpeg/lib --with-freetype=/usr/local/freetype/lib
docker-php-ext-install gd
docker-php-ext-enable gd