docker/fpm/Dockerfile

FROM php:5.6-fpm
LABEL maintainer="Michael Babker <michael.babker@joomla.org> (@mbabker)"

# Disable remote database security requirements.
ENV JOOMLA_INSTALLATION_DISABLE_LOCALHOST_CHECK=1

# Install PHP extensions
RUN set -ex; \
	\
	savedAptMark="$(apt-mark showmanual)"; \
	\
	apt-get update; \
	apt-get install -y --no-install-recommends \
		libjpeg-dev \
		libmcrypt-dev \
		libpng12-dev \
	; \
	\
	docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr; \
	docker-php-ext-install \
		gd \
		mcrypt \
		mysqli \
		zip \
	; \
	\
# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
	apt-mark auto '.*' > /dev/null; \
	apt-mark manual $savedAptMark; \
	ldd "$(php -r 'echo ini_get("extension_dir");')"/*.so \
		| awk '/=>/ { print $3 }' \
		| sort -u \
		| xargs -r dpkg-query -S \
		| cut -d: -f1 \
		| sort -u \
		| xargs -rt apt-mark manual; \
	\
	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
	rm -rf /var/lib/apt/lists/*

VOLUME /var/www/html

# Define Joomla version and expected SHA1 signature
ENV JOOMLA_VERSION 3.8.4
ENV JOOMLA_SHA1 9ef809f4f454d08d3fd98587c4c8aadb84e45f44

# Download package and extract to web volume
RUN curl -o joomla.tar.gz -SL https://github.com/joomla/joomla-cms/releases/download/${JOOMLA_VERSION}/Joomla_${JOOMLA_VERSION}-Stable-Full_Package.tar.gz \
	&& echo "$JOOMLA_SHA1 *joomla.tar.gz" | sha1sum -c - \
	&& mkdir /usr/src/joomla \
	&& tar -xzf joomla.tar.gz -C /usr/src/joomla \
	&& rm joomla.tar.gz \
	&& chown -R www-data:www-data /usr/src/joomla

# Copy init scripts and custom .htaccess
COPY docker-entrypoint.sh /entrypoint.sh
COPY makedb.php /makedb.php

ENTRYPOINT ["/entrypoint.sh"]
CMD ["php-fpm"]