Modify RUN sed by RUN echo to configure apache virtualhost

Dockerfile

@@ -34,8 +34,8 @@ RUN wget ${SRC_GLPI} \
 	&& chown -R www-data:www-data ${FOLDER_GLPI}
 
 #Modification du fichier 
-#RUN echo -e "<VirtualHost *:80>\n\tDocumentRoot /var/www/html/glpi\n\n\t<Directory /var/www/html/glpi>\n\t\tAllowOverride All\n\t\tOrder Allow,Deny\n\t\tAllow from all\n\t</Directory>\n\n\tErrorLog /var/log/apache2/error-glpi.log\n\tLogLevel warn\n\tCustomLog /var/log/apache2/access-glpi.log combined\n</VirtualHost>" > /etc/apache2/sites-available/000-default.conf
-RUN sed -i -- 's/\/var\/www\/html/\/var\/www\/html\/glpi/g' /etc/apache2/sites-available/000-default.conf
+RUN echo "<VirtualHost *:80>\n\tDocumentRoot /var/www/html/glpi\n\n\t<Directory /var/www/html/glpi>\n\t\tAllowOverride All\n\t\tOrder Allow,Deny\n\t\tAllow from all\n\t</Directory>\n\n\tErrorLog /var/log/apache2/error-glpi.log\n\tLogLevel warn\n\tCustomLog /var/log/apache2/access-glpi.log combined\n</VirtualHost>" > /etc/apache2/sites-available/000-default.conf
+#RUN sed -i -- 's/\/var\/www\/html/\/var\/www\/html\/glpi/g' /etc/apache2/sites-available/000-default.conf
 
 #Activation du module rewrite d'apache
 RUN a2enmod rewrite && service apache2 restart