Dockerfile

FROM php:5.6-apache
MAINTAINER Jonas Thiel <jonas@thiel.io>

ENV ROUNDCUBE_VERSION 1.2.9
ENV RELEASE_DATE 2018-04-29

ENV ROUNDCUBE_DIR /var/www/html
ENV ROUNDCUBE_PACKAGE roundcubemail-$ROUNDCUBE_VERSION
ENV ROUNDCUBE_VARIANT $ROUNDCUBE_PACKAGE-complete
ENV ROUNDCUBE_DOWNLOAD https://github.com/roundcube/roundcubemail/releases/download/$ROUNDCUBE_VERSION/$ROUNDCUBE_VARIANT.tar.gz

ENV TIMEZONE Europe/Berlin

RUN a2enmod rewrite expires headers

ENV REQUIRED_PACKAGES mysql-client libicu-dev libldap2-dev
ENV REQUIRED_PEAR mail_mime mail_mimedecode net_smtp net_idna2-beta auth_sasl net_sieve crypt_gpg

RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y -q --no-install-recommends  \
    $REQUIRED_PACKAGES \
 && apt-get autoremove -y \
 && apt-get clean \
 && rm -rf /tmp/* /var/lib/apt/lists/* /var/cache/debconf/*-old /usr/share/doc/* /usr/share/man/* \
 && cp -r /usr/share/locale/en\@* /tmp/ && rm -rf /usr/share/locale/* && mv /tmp/en\@* /usr/share/locale/

# Install the PHP extensions we need
RUN docker-php-ext-configure intl \
 && docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu/ \
 && docker-php-ext-install pdo pdo_mysql intl exif ldap

# Install pear extensions
RUN pear install $REQUIRED_PEAR \
 && rm -rf /tmp/*

# Set recommended PHP.ini settings
COPY php.ini /usr/local/etc/php/conf.d/my_php.ini

# 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

# Set timezone
RUN { \
    echo "date.timezone=$TIMEZONE"; \
  } > /usr/local/etc/php/conf.d/date.ini

WORKDIR /

RUN curl -O -L $ROUNDCUBE_DOWNLOAD \
 && tar xzf $ROUNDCUBE_VARIANT.tar.gz \
 && rm -r $ROUNDCUBE_DIR \
 && mv $ROUNDCUBE_PACKAGE $ROUNDCUBE_DIR \
 && rm -rf $ROUNDCUBE_PACKAGE \
 && echo '<?php\n$config = array();\n' > $ROUNDCUBE_DIR/config/config.inc.php \
 && rm -fr $ROUNDCUBE_DIR/installer \
 && mkdir -p $ROUNDCUBE_DIR/config/custom \
 && chown -R www-data:www-data $ROUNDCUBE_DIR

COPY entrypoint.sh /entrypoint.sh
ENTRYPOINT ["/entrypoint.sh"]

VOLUME /var/www/html/logs /var/www/html/temp
EXPOSE 80

WORKDIR $ROUNDCUBE_DIR
CMD ["app:start"]