FROM "php:7.1-apache"

RUN 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' && \
    rm -rf "/usr/share/doc/*" \
           "/var/cache/*" \
           "/var/lib/apt/lists/*"

USER "www-data"
RUN curl -L "https://download.dokuwiki.org/src/dokuwiki/dokuwiki-stable.tgz" | tar -zx --strip=1

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