Closes #89 fixes webroot in SSL setup

Dockerfile

@@ -6,7 +6,8 @@ ENV php_conf /etc/php5/php.ini
 ENV fpm_conf /etc/php5/php-fpm.conf
 ENV composer_hash e115a8dc7871f15d853148a7fbac7da27d6c0030b848d9b3dc09e2a0388afed865e6a3d6b3c0fad45c48e2b5fc1196ae
 
-RUN apk add --no-cache bash \
+RUN apk update && \
+    apk add --no-cache bash \
     openssh-client \
     wget \
     supervisor \

README.md

@@ -97,7 +97,7 @@ sudo docker run -d -e 'GIT_NAME=full_name' -e 'GIT_USERNAME=git_username' -e 'GI
 ```
 
 ### Custom Nginx Config files
-Sometimes you need a custom config file for nginx to achieve this read the [Nginx config guide](https://github.com/ngineered/nginx-php-fpm/blob/master/docs/nginx_configs.md) 
+Sometimes you need a custom config file for nginx to achieve this read the [Nginx config guide](https://github.com/ngineered/nginx-php-fpm/blob/master/docs/nginx_configs.md)
 
 ### Scripting and Templating
 Please see the [Scripting and templating guide](https://github.com/ngineered/nginx-php-fpm/blob/master/docs/scripting_templating.md) for more details.

scripts/letsencrypt-setup

@@ -10,6 +10,10 @@ else
  # change nginx for webroot and domain name
  sed -i "s/##DOMAIN##/${DOMAIN}/g" /etc/nginx/sites-enabled/default-ssl.conf
  sed -i "s#root /var/www/html;#root ${WEBROOT};#g" /etc/nginx/sites-available/default-ssl.conf
+ if [ ! -z "$WEBROOT" ]; then
+  webroot=$WEBROOT
+  sed -i "s#root /var/www/html;#root ${webroot};#g" /etc/nginx/sites-available/default-ssl.conf
+ fi
 
  supervisorctl restart nginx