FROM alpine:3.3

# phpize deps
RUN apk add --no-cache --virtual .phpize-deps \
		autoconf \
		file \
		g++ \
		gcc \
		libc-dev \
		make \
		pkgconf \
		re2c

# persistent / runtime deps
RUN apk add --no-cache --virtual .persistent-deps \
		ca-certificates \
		curl

# ensure www-data user exists
RUN set -x \
	&& addgroup -g 82 -S www-data \
	&& adduser -u 82 -D -S -G www-data www-data
# 82 is the standard uid/gid for "www-data" in Alpine
# http://git.alpinelinux.org/cgit/aports/tree/main/apache2/apache2.pre-install?h=v3.3.2
# http://git.alpinelinux.org/cgit/aports/tree/main/lighttpd/lighttpd.pre-install?h=v3.3.2
# http://git.alpinelinux.org/cgit/aports/tree/main/nginx-initscripts/nginx-initscripts.pre-install?h=v3.3.2

ENV PHP_INI_DIR /usr/local/etc/php
RUN mkdir -p $PHP_INI_DIR/conf.d

##<autogenerated>##
ENV PHP_EXTRA_CONFIGURE_ARGS --enable-maintainer-zts
##</autogenerated>##

ENV GPG_KEYS 0BD78B5F97500D450838F95DFE857D9A90D90EC1 6E4F6AB321FDC07F2C332E3AC2BF0BC433CFC8B3

ENV PHP_VERSION 5.6.21
ENV PHP_FILENAME php-5.6.21.tar.xz
ENV PHP_SHA256 566ff1a486cb0485ed477a91ea292423f77a58671270ff73b74e67e3ce7084f9

RUN set -xe \
	&& apk add --no-cache --virtual .build-deps \
		curl-dev \
		gnupg \
		libedit-dev \
		libxml2-dev \
		openssl-dev \
		sqlite-dev \
	&& curl -fSL "http://php.net/get/$PHP_FILENAME/from/this/mirror" -o "$PHP_FILENAME" \
	&& echo "$PHP_SHA256 *$PHP_FILENAME" | sha256sum -c - \
	&& curl -fSL "http://php.net/get/$PHP_FILENAME.asc/from/this/mirror" -o "$PHP_FILENAME.asc" \
	&& export GNUPGHOME="$(mktemp -d)" \
	&& for key in $GPG_KEYS; do \
		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
	done \
	&& gpg --batch --verify "$PHP_FILENAME.asc" "$PHP_FILENAME" \
	&& rm -r "$GNUPGHOME" "$PHP_FILENAME.asc" \
	&& mkdir -p /usr/src \
	&& tar -Jxf "$PHP_FILENAME" -C /usr/src \
	&& mv "/usr/src/php-$PHP_VERSION" /usr/src/php \
	&& rm "$PHP_FILENAME" \
	&& cd /usr/src/php \
	&& ./configure \
		--with-config-file-path="$PHP_INI_DIR" \
		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
		$PHP_EXTRA_CONFIGURE_ARGS \
		--disable-cgi \
# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
		--enable-mysqlnd \
# --enable-mbstring is included here because otherwise there's no way to get pecl to use it properly (see https://github.com/docker-library/php/issues/195)
		--enable-mbstring \
		--with-curl \
		--with-libedit \
		--with-openssl \
		--with-zlib \
	&& make -j"$(getconf _NPROCESSORS_ONLN)" \
	&& make install \
	&& { find /usr/local/bin /usr/local/sbin -type f -perm +0111 -exec strip --strip-all '{}' + || true; } \
	&& make clean \
	&& runDeps="$( \
		scanelf --needed --nobanner --recursive /usr/local \
			| awk '{ gsub(/,/, "\nso:", $2); print "so:" $2 }' \
			| sort -u \
			| xargs -r apk info --installed \
			| sort -u \
	)" \
	&& apk add --virtual .php-rundeps $runDeps \
	&& apk del .build-deps

COPY docker-php-ext-* /usr/local/bin/

##<autogenerated>##
CMD ["php", "-a"]
##</autogenerated>##