Rails: add Rack::ContentLength middleware  to allow nginx gzip_min_length directive to work
Rails: add Rack::ContentLength middleware
 to allow nginx gzip_min_length directive to work

see https://github.com/rails/rails/issues/32585
    http://nginx.org/en/docs/http/ngx_http_gzip_module.html#gzip_min_length

net1957/ProxyCheck,net1957/ProxyCheck,net1957/ProxyCheck,net1957/ProxyCheck