RUN apk add --no-cache \
freetype \
libpng \
libjpeg-turbo \
freetype-dev \
libpng-dev \
jpeg-dev \
libjpeg \
libjpeg-turbo-dev \
libwebp \
libwebp-dev \
&& docker-php-ext-configure gd --with-gd --with-webp-dir --with-jpeg-dir \
--with-png-dir --with-zlib-dir --with-freetype-dir \
-enable-gd-native-ttf \
&& NUMPROC=$(grep -c ^processor /proc/cpuinfo 2>/dev/null || 1) \
&& docker-php-ext-install -j${NUMPROC} gd
