Dockerfile

FROM php:7.1-fpm

# install the PHP extensions we need
RUN set -ex \
	&& buildDeps=' \
		libjpeg62-turbo-dev \
		libpng12-dev \
		libpq-dev \
	' \
	&& apt-get update && apt-get install -y --no-install-recommends $buildDeps && rm -rf /var/lib/apt/lists/* \
	&& docker-php-ext-configure gd \
		--with-jpeg-dir=/usr \
		--with-png-dir=/usr \
	&& docker-php-ext-install -j "$(nproc)" gd mbstring opcache pdo pdo_mysql pdo_pgsql zip \
	&& apt-mark manual \
		libjpeg62-turbo \
		libpq5 \
	&& apt-get purge -y --auto-remove $buildDeps

# set recommended PHP.ini settings
# see https://secure.php.net/manual/en/opcache.installation.php
RUN { \
		echo 'opcache.memory_consumption=128'; \
		echo 'opcache.interned_strings_buffer=8'; \
		echo 'opcache.max_accelerated_files=4000'; \
		echo 'opcache.revalidate_freq=60'; \
		echo 'opcache.fast_shutdown=1'; \
		echo 'opcache.enable_cli=1'; \
	} > /usr/local/etc/php/conf.d/opcache-recommended.ini

# Install composer and drush.
RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer && \
  echo 'export PATH=/var/www/vendor/bin:$PATH' >> $HOME/.bashrc && \
  apt-get update && \
  apt-get install -y mysql-client openssh-client rsync && \
  rm -rf /var/lib/apt/lists/*

# Move files into the container.
COPY src/ /var/www/

WORKDIR /var/www

RUN composer install && ln -s /var/www/vendor/bin/drush /usr/local/bin/drush

WORKDIR /var/www/web