FROM "php:7.1-apache"
MAINTAINER "Julien Cabillot <dockerimages@cabillot.eu>"

RUN sed -i'' 's/ServerSignature On/ServerSignature Off/; s/ServerTokens OS/ServerTokens Prod/' "/etc/apache2/conf-enabled/security.conf" && \
    sed -i'' 's/^Listen 80$/Listen 8080/' "/etc/apache2/ports.conf" && \
    sed -i'' 's/^<VirtualHost \*:80>$/<VirtualHost *:8080>/' '/etc/apache2/sites-enabled/000-default.conf' && \
    echo "RemoteIPHeader X-Forwarded-For\nRemoteIPProxiesHeader X-Forwarded-By" > "${APACHE_CONFDIR}/conf-available/remoteip.conf" && \
    sed -i'' 's/\(LogFormat "%h.*combined\)/LogFormat "%a %l %u %t \\"%r\\" %>s %O \\"%{Referer}i\\" \\"%{User-Agent}i\\"" combined/' "${APACHE_CONFDIR}/apache2.conf" && \
    a2enconf remoteip && \
    a2enmod remoteip  headers && \
    apt-get -y autoremove --purge && \
    apt-get -y clean all && \
    rm -rf "/usr/share/doc/*" \
       "/var/cache/*" \
       "/var/lib/apt/lists/*" \
       "/usr/src/*" \
       "/var/cache/*" \
       "/var/log/"{apt/*,dpkg.log} \
       "/var/www/html" \
       "/tmp/*" && \
    install --directory --group="www-data" --owner="www-data" --mode="2770" "/var/www/html" && \
    # On active les logs sur stderr (apache + php)
    sed -ri 's#^(\s*ErrorLog)\s+\S+#\1 /proc/self/fd/2#g;' "/etc/apache2/apache2.conf" && \
    sed -ri ' \
        s#^(\s*CustomLog)\s+\S+#\1 /proc/self/fd/1#g; \
        s#^(\s*ErrorLog)\s+\S+#\1 /proc/self/fd/2#g; \
        ' "/etc/apache2/sites-enabled/000-default.conf" && \
    echo "error_reporting=E_ALL\nerror_log=/proc/self/fd/2\nlog_errors=On\nexpose_php=Off" > "/usr/local/etc/php/conf.d/override.ini"

# Add Tini
ENV "TINI_VERSION" "v0.16.1"
ADD "https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini" "/tini"
RUN chmod +x "/tini"
ENTRYPOINT ["/tini", "--"]

CMD [ "docker-php-entrypoint", "apache2-foreground" ]

EXPOSE "8080/tcp"

HEALTHCHECK --interval="10s" \
    CMD curl --fail "http://localhost:8080" || exit 1