Added timezone to Docker image

Dockerfile

@@ -20,6 +20,9 @@ RUN sed -i 's/listen.owner = www-data/listen.owner = nginx/g' /etc/php/7.3/fpm/p
     sed -i 's/;cgi.fix_pathinfo=1/cgi.fix_pathinfo=0/g' /etc/php/7.3/fpm/php.ini && \
     mkdir /html
 
+# Set correct timezone
+RUN ln -fs /usr/share/zoneinfo/Europe/Berlin /etc/localtime && dpkg-reconfigure -f noninteractive tzdata
+
 WORKDIR /html
 EXPOSE 80