FROM alpine:3.14

MAINTAINER PrivateBin <support@privatebin.org>

ARG ALPINE_PACKAGES="php8-pdo_mysql php8-pdo_pgsql"
ARG COMPOSER_PACKAGES="google/cloud-storage"

ENV RELEASE           1.3.5
ENV PBURL             https://github.com/PrivateBin/PrivateBin/
ENV S6_READ_ONLY_ROOT 1
ENV CONFIG_PATH       /srv/cfg

RUN \
# Install dependencies
    apk add --no-cache gnupg nginx php8 php8-curl php8-fpm php8-json php8-gd \
        php8-mbstring php8-opcache php8-phar \
        s6-overlay tzdata php8-openssl $ALPINE_PACKAGES \
    && apk upgrade --no-cache \
# Remove (some of the) default nginx config
    && rm -f /etc/nginx.conf /etc/nginx/http.d/default.conf /etc/php8/php-fpm.d/www.conf \
    && rm -rf /etc/nginx/sites-* \
# Ensure nginx logs, even if the config has errors, are written to stderr
    && ln -s /dev/stderr /var/log/nginx/error.log \
# Install PrivateBin
    && export GNUPGHOME="$(mktemp -d)" \
    && gpg2 --list-public-keys || /bin/true \
    && wget -qO - https://privatebin.info/key/release.asc | gpg2 --import - \
    && rm -rf /var/www/* \
    && cd /tmp \
    && wget -qO ${RELEASE}.tar.gz.asc ${PBURL}releases/download/${RELEASE}/PrivateBin-${RELEASE}.tar.gz.asc \
    && wget -q ${PBURL}archive/${RELEASE}.tar.gz \
    && gpg2 --verify ${RELEASE}.tar.gz.asc \
    && wget -qO composer-setup.php https://getcomposer.org/installer \
    && ln -s $(which php8) /usr/local/bin/php \
    && php composer-setup.php --install-dir=/usr/local/bin --filename=composer \
    && cd /var/www \
    && tar -xzf /tmp/${RELEASE}.tar.gz --strip 1 \
    && wget -q $(echo ${PBURL} | sed s/github.com/raw.githubusercontent.com/)${RELEASE}/composer.json \
    && wget -q $(echo ${PBURL} | sed s/github.com/raw.githubusercontent.com/)${RELEASE}/composer.lock \
    && composer remove --dev --no-update phpunit/phpunit \
    && ([ -z "$COMPOSER_PACKAGES"] || composer require --no-update $COMPOSER_PACKAGES) \
    && composer update --no-dev --optimize-autoloader \
    && rm *.md cfg/conf.sample.php composer.* /usr/local/bin/* \
    && mv cfg lib tpl vendor /srv \
    && mkdir -p /srv/data \
    && sed -i "s#define('PATH', '');#define('PATH', '/srv/');#" index.php \
# Support running s6 under a non-root user
    && mkdir -p /etc/s6/services/nginx/supervise /etc/s6/services/php-fpm8/supervise \
    && mkfifo \
        /etc/s6/services/nginx/supervise/control \
        /etc/s6/services/php-fpm8/supervise/control \
    && chown -R 65534:82 /etc/s6 /run /srv/* /var/lib/nginx /var/www \
    && chmod o+rwx /run /var/lib/nginx /var/lib/nginx/tmp \
# Clean up
    && rm -rf "${GNUPGHOME}" /tmp/* \
    && apk del gnupg php8 php8-curl php8-mbstring php8-phar

COPY etc/ /etc/

WORKDIR /var/www
# user nobody, group www-data
USER 65534:82

# mark dirs as volumes that need to be writable, allows running the container --read-only
VOLUME /run /srv/data /tmp /var/lib/nginx/tmp

EXPOSE 8080

ENTRYPOINT ["/init"]