Initial version

Dockerfile

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+FROM luzifer/alpine-nginx-php
+
+ENV WP_VERSION=5.2 \
+    WP_CHECKSUM=2666d749a08b1f863563bc23f87e86adf21e28490762afed0264cad687250bc3
+
+COPY rootfs /
+RUN set -ex && /usr/local/bin/container-setup

rootfs/etc/cont-init.d/copy-wordpress.sh

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+#!/usr/bin/with-contenv /bin/bash
+set -euo pipefail
+
+if [[ -f wp-includes/version.php ]]; then
+	installed_version=$(grep '^\$wp_version' wp-includes/version.php | sed -E "s/.*'(.*)'.*/\\1/")
+	if [ -n "${installed_version}" ] && [[ ${installed_version} == ${WP_VERSION} ]]; then
+		echo "Wordpress installation is up-to-date." >&2
+		exit 0
+	fi
+fi
+
+echo "No Wordpress installation found or not up-to-date" >&2
+echo "Installing bundled Wordpress version" >&2
+
+tar -xvz -C /var/www --strip-components=1 -f /opt/wp.tgz

rootfs/etc/php7/conf.d/10_opcache-recommended.ini

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+	opcache.memory_consumption=128
+	opcache.interned_strings_buffer=8
+	opcache.max_accelerated_files=4000
+	opcache.revalidate_freq=2
+	opcache.fast_shutdown=1
+	opcache.enable_cli=1

rootfs/etc/php7/conf.d/error-logging.ini

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+	error_reporting = 4339
+	display_errors = Off
+	display_startup_errors = Off
+	log_errors = On
+	error_log = /dev/stderr
+	log_errors_max_len = 1024
+	ignore_repeated_errors = On
+	ignore_repeated_source = Off
+	html_errors = Off

rootfs/usr/local/bin/container-setup

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+#!/bin/bash
+set -euxo pipefail
+
+url="https://github.com/WordPress/WordPress/archive/${WP_VERSION}.tar.gz"
+packages=(
+	php7-gd
+	php7-mysqli
+	php7-opcache
+	php7-zip
+)
+
+function cleanup() {
+	rm -rf \
+		/tmp/wp.tgz
+}
+trap cleanup EXIT
+
+function step() {
+	echo "$@..." >&2
+}
+
+step "Downloading wordpress release ${WP_VERSION}"
+curl -sSfLo /opt/wp.tgz "${url}"
+echo "${WP_CHECKSUM}  /opt/wp.tgz" | sha256sum -c
+
+step "Installing required packages"
+apk --no-cache add "${packages[@]}"

update.sh

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+#!/bin/bash
+set -euxo pipefail
+
+version=$(curl -s "https://lv.luzifer.io/catalog-api/wordpress/latest.txt?p=version")
+grep -q "WP_VERSION=${version} " Dockerfile && exit 0 || echo "Update required"
+
+wphash=$(curl -sSfL "https://github.com/WordPress/WordPress/archive/${version}.tar.gz" | sha256sum | cut -d ' ' -f 1)
+
+sed -Ei \
+	-e "s/WP_VERSION=[0-9.]+/WP_VERSION=${version}/" \
+	-e "s/WP_CHECKSUM=[a-z0-9]+/WP_CHECKSUM=${wphash}/" \
+	Dockerfile