Agregado de php-dom

Dockerfile

@@ -1,10 +1,9 @@
 FROM debian:9
 EXPOSE 8000
 
-RUN apt-get update && apt-get install -yq python git wget vim tmux graphviz php-cli php-mysql php-curl php-amqplib php-xml php-zip build-essential unzip php-bcmath php-mbstring mysql-client
+RUN apt-get update && apt-get install -yq python git wget vim tmux graphviz php-cli php-mysql php-curl php-amqplib php-xml php-zip build-essential unzip php-bcmath php-mbstring mysql-client php-dom
 
 RUN php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
-#RUN php -r "if (hash_file('SHA384', 'composer-setup.php') === '669656bab3166a7aff8a7506b8cb2d1c292f042046c5a994c43155c0be6190fa0355160742ab2e1c88d40d5be660b410') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
 RUN php -r "if (hash_file('SHA384', 'composer-setup.php') === '544e09ee996cdf60ece3804abc52599c22b1f40f4323403c44d44fdfdd586475ca9813a858088ffbc1f233e9b180f061') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
 RUN php composer-setup.php --install-dir=/usr/local/bin --filename=composer
 RUN php -r "unlink('composer-setup.php');"