FROM alpine:edge
MAINTAINER adam@diginc.us <adam@diginc.us>

ENV IMAGE alpine

RUN apk add --update \
        dnsmasq \
        nginx \
        ca-certificates \
        php5-fpm php5-json php5-openssl libxml2 \
        bc bash curl perl sudo && \
    apk add --update --repository http://dl-1.alpinelinux.org/alpine/edge/testing/ tini && \
    rm -rf /var/cache/apk/*

# Customized from submodules
COPY ./pi-hole/gravity.sh /usr/local/bin/
COPY ./pi-hole/advanced/Scripts/* /usr/local/bin/
RUN sed -i 's|service dnsmasq \(re\)\{0,1\}start|dnsmasq -7 /etc/dnsmasq.d|g' \
    /usr/local/bin/gravity.sh \
    /usr/local/bin/whitelist.sh \
    /usr/local/bin/blacklist.sh
COPY ./alpine/nginx.conf /etc/nginx/nginx.conf

# Original upstream pihole code being used
COPY ./pi-hole/adlists.default /etc/pihole/
COPY ./pi-hole/adlists.default /etc/.pihole/
COPY ./pi-hole/pihole /usr/local/bin/
RUN mkdir -p /opt/ && ln -s /usr/local/bin /opt/pihole
COPY ./pi-hole/advanced/dnsmasq.conf.original /etc/dnsmasq.conf
COPY ./pi-hole/advanced/01-pihole.conf /etc/dnsmasq.d/
COPY ./pi-hole/advanced/index* /var/www/html/pihole/
COPY ./pi-hole/advanced/pihole.sudo /etc/sudoers.d/pihole
COPY ./AdminLTE /var/www/html/admin
COPY ./AdminLTE_version.txt /etc/
COPY ./pi-hole_version.txt /etc/

# Things installer did and fix alpine+nginx differences
ENV WEBLOGDIR /var/log/nginx
ENV PHP_CONFIG '/etc/php5/php-fpm.conf'
RUN mkdir -p /etc/pihole/ && \
    mkdir -p /var/www/html/pihole && \
    mkdir -p /var/www/html/admin/ && \
    chown nginx:nginx /var/www/html && \
    touch ${WEBLOGDIR}/access.log ${WEBLOGDIR}/error.log && \
    chown -R nginx:nginx ${WEBLOGDIR} && \
    sed -i 's|^user\s*=.*$|user = nginx|' $PHP_CONFIG && \
    chmod 775 /var/www/html && \
    touch /var/log/pihole.log && \
    chmod 644 /var/log/pihole.log && \
    chown dnsmasq:root /var/log/pihole.log && \
    sed -i "s/@INT@/eth0/" /etc/dnsmasq.d/01-pihole.conf && \
    sed -i 's|"cd /etc/.pihole/ && git describe --tags --abbrev=0"|"cat /etc/pi-hole_version.txt"|g' /var/www/html/admin/footer.php && \
    sed -i 's|"git describe --tags --abbrev=0"|"cat /etc/AdminLTE_version.txt"|g' /var/www/html/admin/footer.php && \
    sed -i 's|www-data|nginx|g' /etc/sudoers.d/pihole && \
    /bin/true # placeholder

# This chould be eliminated if all (upstream) files were +x in git
RUN chmod +x /usr/local/bin/*.sh

# Fix dnsmasq in docker
RUN grep -q '^user=root' || echo 'user=root' >> /etc/dnsmasq.conf

# php config start passes special ENVs into
ENV PHP_ENV_CONFIG '/etc/php5/fpm.d/envs.conf'
ENV PHP_ERROR_LOG '/var/log/nginx/error.log'
COPY ./alpine/start.sh /
COPY ./common_start.sh /

# IPV6 disable flag for networks/devices that do not support it
ENV IPv6 True

EXPOSE 53 53/udp
EXPOSE 80

ENTRYPOINT ["tini", "--"]
CMD /start.sh