FROM {{ pihole.base }}

LABEL image="{{ pihole.name }}:{{ pihole.os }}_{{ pihole.arch }}"
LABEL maintainer="{{ pihole.maintainer }}"
LABEL url="https://www.github.com/diginc/docker-pi-hole"

ENV TAG {{ pihole.os }}
ENV ARCH {{ pihole.arch }}
ENV PATH /opt/pihole:${PATH}

COPY install.sh /usr/local/bin/docker-install.sh
ENV setupVars /etc/pihole/setupVars.conf
ENV PIHOLE_INSTALL /tmp/ph_install.sh
ENV S6OVERLAY_RELEASE https://github.com/just-containers/s6-overlay/releases/download/{{ pihole.s6_version }}/s6-overlay-{{ pihole.arch }}.tar.gz

{% if pihole.os == 'alpine' %}
RUN apk upgrade --update && \
    apk add bind-tools wget curl bash libcap && \
{% else %}
RUN apt-get update && \
    apt-get install -y wget curl net-tools cron && \
{% endif %}
    curl -L -s $S6OVERLAY_RELEASE \
        | tar xvzf - -C / && \
    docker-install.sh && \
{% if pihole.os == 'alpine' %}
    rm -rf /var/cache/apk/*
{% else %}
    rm -rf /var/cache/apt/archives /var/lib/apt/lists/*
{% endif %}

ENTRYPOINT [ "/init" ]

ADD s6/{{ pihole.os }}-root /
COPY s6/service /usr/local/bin/service

{% if pihole.os == 'alpine' %}
# 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 && \
    sed -i '/^;pid/ s|^;||' $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 && \
    setcap CAP_NET_BIND_SERVICE=+eip `which dnsmasq` && \
    cp -f /usr/bin/list.sh /opt/pihole/list.sh && \
    echo 'Done!'
{% endif %}

# php config start passes special ENVs into
ENV PHP_ENV_CONFIG '{{ pihole.php_env_config }}'
ENV PHP_ERROR_LOG '{{ pihole.php_error_log }}'
COPY ./start.sh /
COPY ./bash_functions.sh /

# IPv6 disable flag for networks/devices that do not support it
{% if pihole.os == 'debian' %}
# not fully supported in debian yet
{% endif %}
ENV IPv6 True

EXPOSE 53 53/udp
EXPOSE 80

ENV S6_LOGGING 0
ENV S6_KEEP_ENV 1
ENV S6_BEHAVIOUR_IF_STAGE2_FAILS 2

SHELL ["/bin/bash", "-c"]