# Extend default list of trusted proxies with generic private and cloudflare proxy list # Cloudflare proxies list # config/cloudflare_ips.yml fetches every time you build an image. Check Dockerfile l54, l55 cloudflare_ips = File.read('config/cloudflare_ips.yml').split(/\R+/) extend_proxies = cloudflare_ips.map { |proxy| IPAddr.new(proxy) } Rails.application.config.action_dispatch.trusted_proxies = ActionDispatch::RemoteIp::TRUSTED_PROXIES + extend_proxies