Rails 4 中命名空间路由的单独域 [英] Separate Domain for Namespaced Routes in Rails 4

问题描述

我正在开发一个 Rails 4 应用程序.该应用的一部分是必须从单独的域访问的客户门户.

I'm working on a Rails 4 app. One part of the app is a customer portal that has to be accessed from a separate domain.

导航到 domain.com/cp，一切正常.路由使用命名空间控制器:

I have everything working fine by navigating to domain.com/cp. The routes use namespaced controllers:

namespace :cp do
    get :dashboard, to: 'dashboard#index', path: ''
    ...
end

我应该如何设置 DNS 记录并更改路由定义，以便另一个域 cpdomain.com 正确指向 domain.com/cp(无重定向).

How should I set up DNS records and change the routes definition so that another domain cpdomain.com points to domain.com/cp properly (no redirecting).

谢谢.

推荐答案

这个答案对 Rails 路由问题很有用:

This answer can be useful for the rails routes problem:

Rails 路由以在单个应用程序上处理多个域

缩短:

1) 在 lib/domain_constraint.rb 中定义自定义约束类:

1) define a custom constraint class in lib/domain_constraint.rb:

class DomainConstraint
  def initialize(domain)
    @domains = [domain].flatten
  end

  def matches?(request)
    @domains.include? request.domain
  end
end

2) 使用新的块语法在路由中使用该类

2) use the class in your routes with the new block syntax

constraints DomainConstraint.new('mydomain.com') do
  root :to => 'mydomain#index'
end

root :to => 'main#index'

或老式的选项语法

root :to => 'mydomain#index', :constraints => DomainConstraint.new('mydomain.com')

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