use latest wp

Dockerfile

@@ -3,7 +3,7 @@ MAINTAINER Girish Ramakrishnan <girish@forwardbias.in>
 
 RUN mkdir -p /app/code
 WORKDIR /app/code
-RUN curl -L http://wordpress.org/wordpress-4.2.2.tar.gz | tar -xz --strip-components 1 -f -
+RUN curl -L http://wordpress.org/wordpress-4.3.1.tar.gz | tar -xz --strip-components 1 -f -
 RUN chown -R www-data.www-data /app/code
 
 ADD start.sh /app/code/start.sh