Update pica-dokuwiki/Dockerfile

pica-dokuwiki/Dockerfile

@@ -13,6 +13,7 @@ RUN apt-get update -y && \
         php7.0-fpm \
         php7.0-gd \
         php7.0-xml && \
+    apt-get remove libidn11 -y && \
     mkdir -p html /var/run/php && \
     echo "cgi.fix_pathinfo = 0;" >> /etc/php/7.0/fpm/php.ini && \
     sed -i -e "s|;daemonize\s*=\s*yes|daemonize = no|g" /etc/php/7.0/fpm/php-fpm.conf && \