PHP 7.3 with zstd extension

Dockerfile

FROM php:7.3

LABEL maintainer="Jens Kohl <jens.kohl@gmail.com>"

RUN apt-get update && \
	apt-get install --no-install-recommends -y git-core && \
	git clone --recursive --depth=1 https://github.com/kjdev/php-ext-zstd.git && \
	cd php-ext-zstd && \
	phpize && \
	./configure && \
	make -s && \
	make -s install && \
	echo "extension=zstd.so" > /usr/local/etc/php/conf.d/zstd.ini && \
	cd .. && \
	rm -rf php-ext-zstd && \
	apt-get remove -y git-core && \
	apt-get autoremove -y && \
	rm -rf /var/lib/apt/lists/* && \
	php -m | grep zstd