anchor.diff:    server_name certificates.theodi.org;
     access_log /var/log/nginx/certificates.theodi.org.log;
     error_log /var/log/nginx/certificates.theodi.org.err;
  -  root /var/www/certificates.theodi.org/current/public/;
  +  root /home/certificates/certificates.theodi.org/current/public/;
   
     location / {
       try_files $uri @backend;
     }
   
     location ~ ^/(assets)/ {
  -      add_header Access-Control-Allow-Origin "*";
  +    add_header Access-Control-Allow-Origin "*";
       gzip_static on; # to serve pre-gzipped version
       expires max;
       add_header Cache-Control public;
  
positive.code:   location @backend {
      proxy_set_header X-Forwarded-Proto 'http';
      proxy_set_header Host $server_name;
      proxy_pass http://open-data-certificate;
    }
  }
  
  
negative.code: upstream certificates {
    server 127.0.0.1:8000;
    server 127.0.0.1:8001;
  }
  
  server {
  