fixes problem to set server name max length…

current base image does not have commented configurations which means is impossible to use the previous configuration to set the server name max length

Dockerfile

@@ -11,7 +11,7 @@ RUN apt-get update \
 
 # Configure Nginx and apply fix for long server names
 RUN echo "daemon off;" >> /etc/nginx/nginx.conf \
- && sed -i 's/# server_names_hash_bucket/server_names_hash_bucket/g' /etc/nginx/nginx.conf
+ && sed -i 's/^http {/&\n    server_names_hash_bucket_size 64;/g' /etc/nginx/nginx.conf
 
  # Install Forego
 RUN wget -P /usr/local/bin https://godist.herokuapp.com/projects/ddollar/forego/releases/current/linux-amd64/forego \