Dockerfile

FROM php:5.6-apache

RUN apt-get update && apt-get install -y rsync && rm -r /var/lib/apt/lists/*

RUN a2enmod rewrite

# install the PHP extensions we need
RUN apt-get update && apt-get install -y libpng12-dev libjpeg-dev && rm -rf /var/lib/apt/lists/* \
 	&& docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
	&& docker-php-ext-install gd
RUN docker-php-ext-install mysqli

VOLUME /var/www/html

ENV WORDPRESS_VERSION 4.1.0
ENV WORDPRESS_UPSTREAM_VERSION 4.1
ENV WORDPRESS_SHA1 f0437c96ae3d8acaba3579566f1346f4cd06468e

# upstream tarballs include ./wordpress/ so this gives us /usr/src/wordpress
RUN curl -o wordpress.tar.gz -SL https://wordpress.org/wordpress-${WORDPRESS_UPSTREAM_VERSION}.tar.gz \
	&& echo "$WORDPRESS_SHA1 *wordpress.tar.gz" | sha1sum -c - \
	&& tar -xzf wordpress.tar.gz -C /usr/src/ \
	&& rm wordpress.tar.gz

# inlarge upload size
RUN printf "\nphp_value post_max_size 8M\nphp_value upload_max_filesize 8M\n" >> .htaccess

COPY docker-entrypoint.sh /entrypoint.sh

# grr, ENTRYPOINT resets CMD now
ENTRYPOINT ["/entrypoint.sh"]
CMD ["apache2-foreground"]