Remove unnecessary commands from Dockerfile.

Update README.md.

Dockerfile

@@ -41,8 +41,6 @@ RUN apk add --no-cache --virtual .build-deps \
     && apk add --virtual .phpext-rundeps $runDeps \
     && apk del .build-deps
 
-RUN adduser -D deployer -s /bin/bash -G www-data
-
 RUN { \
         echo 'opcache.memory_consumption=128'; \
         echo 'opcache.interned_strings_buffer=8'; \
@@ -52,8 +50,6 @@ RUN { \
         echo 'opcache.enable_cli=1'; \
     } > /usr/local/etc/php/conf.d/opcache-recommended.ini
 
-VOLUME /var/www/html
-
 RUN curl -o wordpress.tar.gz -SL $WP_DOWNLOAD_URL \
 	  && echo "$WP_SHA1 *wordpress.tar.gz" | sha1sum -c - \
 	  && tar -xzf wordpress.tar.gz -C /usr/src/ \

README.md

@@ -3,10 +3,10 @@
 [![Docker Automated buil](https://img.shields.io/docker/automated/opendream/wordpress-fpm.svg)](https://hub.docker.com/r/opendream/wordpress-fpm/)
 
 # Wordpress-FPM
-A Docker container for latest version of PHP-FPM and Wordpress. 😏
+A lightweight (~55MB) Docker container for latest version of PHP-FPM and Wordpress. 🙏
 
 This image is based on PHP's [fpm-alpine image](https://hub.docker.com/_/php/) with additional PHP extensions: `gd` `mysqli` `opcache` and `imagick`. Additional extensions will be maintained at best effort.
 
 ## Version:
 
-* `latest` based on **Wordpress**: `4.7.2` and **PHP-FPM**: `7.1.2` [Dockerfile](https://github.com/opendream/wordpress-fpm/blob/master/Dockerfile)
+* `4.7.2` based on **Wordpress**: `4.7.2` and **PHP-FPM**: `7.1.2` ([Dockerfile])(https://github.com/opendream/wordpress-fpm/blob/master/Dockerfile)