单个域上的多个Heroku应用程序 [英] Multiple Heroku apps on a single domain

问题描述

我很确定这个答案是不可能的，但我想我会再次检查一次： 我正在迁移一些Rails应用程序到Heroku。他们现在组织起来的方式是URL：

• http://example.com/site1 - 由app1提供


• http://example.com/site2 - 由app2提供

全部到目前为止，我读过的文章说这在Heroku上是不可能的：每个应用程序必须拥有自己的子域（例如site1.example.com，site2.example.com）。

我的客户不想更改URL结构（实际上可能会有一些参数;我已经阅读了多个说明路径与子域名对SEO更好的源代码）。

我是否正确地认为在Heroku上 ？

方案

使用Rack Reverse Proxy的Heroku和Rails可以实现这一功能。我目前正在分别在/ blog和/ kb上运行一个WordPress博客和知识库。对于搜索引擎优化的目的，我不希望他们在一个子域。

Rails配置

添加到Gemfile：

  gemrack-reverse-proxy，：require => rack / reverse_proxy
  

现在我们要将/ blog和/ blog /定向到Wordpress实例来自Rails应用程序。

在运行应用程序之前将其添加到您的config.ru中：

 使用Rack :: ReverseProxy do 
 reverse_proxy（/ ^ \ / blog（\ /.*)$/，
'http://CHANGEME.herokuapp.com $ 1'，
 opts = {：preserve_host => true}）
 end 
  

<在config / routes.rb中添加一条路线：

  match/ blog=>重定向（/ blog /），通过：：all 
  

参考： http://rywalker.com/setting-up-a-wordpress-blog-on-heroku-as-a-subdirectory-of-a-rails-app-also-hosted-on-heroku

I'm pretty sure the answer to this is "not possible", but I thought I would check one last time:

I'm migrating some Rails apps to Heroku. The way they are organized now, URL-wise, is:

• http://example.com/site1 -- is served by app1
• http://example.com/site2 -- is served by app2

Everything I've read so far says this isn't possible on Heroku: that each application must have its own subdomain (e.g. site1.example.com, site2.example.com).

My client does not want to change the URL structure (and actually there may be some argument for that; I've read several sources that say that paths vs. subdomains is better for SEO).

Am I correct that this is not possible on Heroku?

解决方案

This IS possible with Heroku and Rails using Rack Reverse Proxy. I'm currently doing it to run a Wordpress blog and knowledge base at /blog and /kb respectively. For SEO purposes I did not want them on a subdomain.

Rails configuration

Add to Gemfile:

gem "rack-reverse-proxy", :require => "rack/reverse_proxy"

Now we want /blog and /blog/ to be directed to the Wordpress instance from the Rails app.

Add this to your config.ru right before you run the app:

use Rack::ReverseProxy do
  reverse_proxy(/^\/blog(\/.*)$/,
    'http://CHANGEME.herokuapp.com$1',
    opts = {:preserve_host => true})
end

In config/routes.rb add a route:

match "/blog" => redirect("/blog/"), via: :all

Original Ref: http://rywalker.com/setting-up-a-wordpress-blog-on-heroku-as-a-subdirectory-of-a-rails-app-also-hosted-on-heroku

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