install xsl extension

Author: ludekvesely

Dockerfile

@@ -5,14 +5,14 @@ ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get update -y && \
     apt-get install -qqy \
         nginx supervisor cron git curl links vim redis-tools mysql-client locales openvpn \
-        libssl-dev libmcrypt-dev libicu-dev libfreetype6-dev libjpeg62-turbo-dev libpng12-dev libpq-dev g++ libxml2-dev && \
+        libssl-dev libmcrypt-dev libicu-dev libfreetype6-dev libjpeg62-turbo-dev libpng12-dev libpq-dev g++ libxml2-dev libxslt-dev && \
     echo "cs_CZ.UTF-8 UTF-8" > /etc/locale.gen && locale-gen cs_CZ.UTF-8 && \
     echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen && locale-gen en_US.UTF-8 && \
     dpkg-reconfigure locales && \
     pecl install mongodb && docker-php-ext-enable mongodb && \
     pecl install redis && docker-php-ext-enable redis && \
     docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/ && \
-    docker-php-ext-install -j$(nproc) bcmath mbstring intl iconv mcrypt zip mysqli pdo pdo_mysql opcache soap gd && \
+    docker-php-ext-install -j$(nproc) bcmath mbstring intl iconv mcrypt zip mysqli pdo pdo_mysql opcache soap gd xsl && \
     apt-get purge --auto-remove -y g++ && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* /var/www/html/* && \