fix

build/docker/httpd/Dockerfile

@@ -1,6 +1,6 @@
 FROM httpd:alpine
 
-MAINTAINER You <you@somedomain.com>
+LABEL maintainer="You <you@somedomain.com>" 
 
 COPY $PWD/build/docker/httpd/httpd.conf /usr/local/apache2/conf/httpd.conf