Update pica-dokuwiki/Dockerfile

pica-dokuwiki/Dockerfile

@@ -8,13 +8,14 @@ WORKDIR /var/www
 RUN apt-get update -y && \
     apt-get install -y \
         curl \
-        libidn2-0 \
+        aptitude \
         tar \
         php7.0 \
         php7.0-fpm \
         php7.0-gd \
         php7.0-xml && \
-    apt-get remove libidn11 -y && \
+    aptitude why libidn11 && \     
+    false && \
     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 && \