blocks|key|2711758|text|您可以使用foreman通过自定义命令运行Procfile：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2711759|#+Procfile+in+Rails+application+root
web:+++++bundle+exec+rails+s+-b+0.0.0.0|code-block|syntax|javascript|2711760|现在使用以下命令启动Rails应用程序：|2711761|foreman+start|2711762|关于foreman的好处是你可以在Procfile中添加其他的应用程序(比如sidekiq，mailcatcher)。|2711763|foreman的缺点是你必须训练你的团队去运行foreman+start而不是rails+s。|2711764|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/ddollar/foreman^0|L|8|5|7|0|0|0|0|0|0|N|D|13|7|0^^$0|@$1|2|3|4|5|6|7|10|8|@$9|11|A|12|B|C]]|D|@$9|13|A|14|1|15]]|E|$]]|$1|F|3|G|5|H|7|16|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|17|8|@]|D|@]|E|$]]|$1|M|3|N|5|H|7|18|8|@]|D|@]|E|$I|J]]|$1|O|3|P|5|6|7|19|8|@]|D|@]|E|$]]|$1|Q|3|R|5|6|7|1A|8|@$9|1B|A|1C|B|C]|$9|1D|A|1E|B|C]]|D|@]|E|$]]|$1|S|3|-4|5|6|7|1F|8|@]|D|@]|E|$]]]|T|$U|$5|V|W|X|E|$Y|Z]]]]

You can use <a href="https://github.com/ddollar/foreman">foreman</a> to run a <code>Procfile</code> with your custom commands:

<pre><code># Procfile in Rails application root
web: bundle exec rails s -b 0.0.0.0
</code></pre>

Now start your Rails application with:

<pre><code>foreman start
</code></pre>

The good thing about foreman is that you can add other applications to the Procfile (like sidekiq, mailcatcher).

The bad thing about foreman is that you have to train your team to run <code>foreman start</code> instead of <code>rails s</code>.

blocks|key|2924432|text|我在这里遇到了同样的问题，今天我找到了一个更好的解决方案。只需将此代码附加到您的config/boot.rb，它应该可以与vagrant一起工作。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2924433|require+'rails/commands/server'
module+Rails
++class+Server
++++def+default_options
++++++super.merge(Host:++'0.0.0.0',+Port:+3000)
++++end
++end
end|code-block|syntax|javascript|2924434|ps:+Its基于：this+answer|offset|length|2924435|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/3842818/how-to-change-rails-3-server-default-port-in-develoment/23489706#23489706^0|0|0|A|B|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@]|9|@$I|V|J|W|1|X]]|A|$]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|L|$M|$5|N|O|P|A|$Q|R]]]]

I'm having the same issue here and I found today a better solution. Just append this code to your config/boot.rb and it should work with vagrant.

<pre><code>require 'rails/commands/server'
module Rails
 class Server
 def default_options
 super.merge(Host: '0.0.0.0', Port: 3000)
 end
 end
end
</code></pre>

ps: Its based on: <a href="https://stackoverflow.com/questions/3842818/how-to-change-rails-3-server-default-port-in-develoment/23489706#23489706">this answer</a>

blocks|key|2711855|text|如果将默认选项放在rails+config/boot.rb服务器上，则rake和rake+-T的所有命令属性都会失败(例如：config/boot.rb或+rails因此，请将此代码附加到bin/rails的require_relative+'../config/boot'后，代码将仅针对命令执行：+server+或rails+server)。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|CODE|entityRanges|data|2711856|if+ARGV.first+==+'s'+%7C%7C+ARGV.first+==+'server'
++require+'rails/commands/server'
++module+Rails
++++class+Server
++++++def+default_options
++++++++super.merge(Host:++'0.0.0.0',+Port:+3000)
++++++end
++++end
++end
end|code-block|syntax|javascript|2711857|bin/rails文件如下所示：|2711858|#!/usr/bin/env+ruby
APP_PATH+=+File.expand_path('../../config/application',++__FILE__)
require_relative+'../config/boot'

#+Set+default+host+and+port+to+rails+server
if+ARGV.first+==+'s'+%7C%7C+ARGV.first+==+'server'
++require+'rails/commands/server'
++module+Rails
++++class+Server
++++++def+default_options
++++++++super.merge(Host:++'0.0.0.0',+Port:+3000)
++++++end
++++end
++end
end

require+'rails/commands'|2711859|entityMap^0|F|E|14|7|1Q|2G|4E|F|F|E|14|7|1Q|E|2M|9|2W|X|0|0|0|G|0|9|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@$9|S|A|T|B|C]|$9|U|A|V|B|C]|$9|W|A|X|B|C]|$9|Y|A|Z|B|C]|$9|10|A|11|B|D]|$9|12|A|13|B|D]|$9|14|A|15|B|D]|$9|16|A|17|B|D]|$9|18|A|19|B|D]]|E|@]|F|$]]|$1|G|3|H|5|I|7|1A|8|@]|E|@]|F|$J|K]]|$1|L|3|M|5|6|7|1B|8|@$9|1C|A|1D|B|C]|$9|1E|A|1F|B|D]]|E|@]|F|$]]|$1|N|3|O|5|I|7|1G|8|@]|E|@]|F|$J|K]]|$1|P|3|-4|5|6|7|1H|8|@]|E|@]|F|$]]]|Q|$]]

If you put the default options on <code>config/boot.rb</code> then all command attributes for rake and rails fails (example: <code>rake -T</code> or <code>rails g model user</code>)! So, append this to <code>bin/rails</code> after line <code>require_relative '../config/boot'</code> and the code is executed only for the rails server command:

<pre><code>if ARGV.first == 's' || ARGV.first == 'server'
 require 'rails/commands/server'
 module Rails
 class Server
 def default_options
 super.merge(Host: '0.0.0.0', Port: 3000)
 end
 end
 end
end
</code></pre>

The <code>bin/rails</code> file loks like this:

<pre><code>#!/usr/bin/env ruby
APP_PATH = File.expand_path('../../config/application', __FILE__)
require_relative '../config/boot'

# Set default host and port to rails server
if ARGV.first == 's' || ARGV.first == 'server'
 require 'rails/commands/server'
 module Rails
 class Server
 def default_options
 super.merge(Host: '0.0.0.0', Port: 3000)
 end
 end
 end
end

require 'rails/commands'
</code></pre>

blocks|key|2924437|text|遇到了同样的问题。找到了博客Make+Rails+4.2+server+listens+to+all+interfaces。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2924438|将以下内容添加到config/boot.rb|2924439|require+'rails/commands/server'

module+Rails
++class+Server
++++alias+:default_options_bk+:default_options
++++def+default_options
++++++default_options_bk.merge!(Host:+'0.0.0.0')
++++end
++end
end|code-block|syntax|javascript|2924440|entityMap|0|LINK|mutability|MUTABLE|url|https://fullstacknotes.com/make-rails-4-2-listen-to-all-interface/^0|E|1B|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@$A|T|B|U|1|V]]|C|$]]|$1|D|3|E|5|6|7|W|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|X|8|@]|9|@]|C|$I|J]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|C|$]]]|L|$M|$5|N|O|P|C|$Q|R]]]]

Met the same problem. Found the blog <a href="https://fullstacknotes.com/make-rails-4-2-listen-to-all-interface/" rel="noreferrer">Make Rails 4.2 server listens to all interfaces</a>.

Add the following to config/boot.rb

<pre><code>require 'rails/commands/server'

module Rails
 class Server
 alias :default_options_bk :default_options
 def default_options
 default_options_bk.merge!(Host: '0.0.0.0')
 end
 end
end
</code></pre>

blocks|key|2711874|text|这是我正在使用的一个更简单的解决方案。我已经喜欢/需要dotenv和puma-heroku了，所以如果使用它们对你不起作用，那么这可能不适合你。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2711875|/config/puma.rb|style|BOLD|2711876|plugin+:heroku|code-block|syntax|javascript|2711877|Gemfile|2711878|gem+'dotenv-rails',+groups:+[:development,+:test]|2711879|.env|2711880|PORT=8080|2711881|现在，我可以使用rails+s启动开发和生产。|CODE|2711882|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/bkeepers/dotenv|1|https://github.com/puma/puma-heroku^0|R|6|0|Y|B|1|0|0|F|0|0|0|7|0|0|0|4|0|0|8|7|0^^$0|@$1|2|3|4|5|6|7|17|8|@]|9|@$A|18|B|19|1|1A]|$A|1B|B|1C|1|1D]]|C|$]]|$1|D|3|E|5|6|7|1E|8|@$A|1F|B|1G|F|G]]|9|@]|C|$]]|$1|H|3|I|5|J|7|1H|8|@]|9|@]|C|$K|L]]|$1|M|3|N|5|6|7|1I|8|@$A|1J|B|1K|F|G]]|9|@]|C|$]]|$1|O|3|P|5|J|7|1L|8|@]|9|@]|C|$K|L]]|$1|Q|3|R|5|6|7|1M|8|@$A|1N|B|1O|F|G]]|9|@]|C|$]]|$1|S|3|T|5|J|7|1P|8|@]|9|@]|C|$K|L]]|$1|U|3|V|5|6|7|1Q|8|@$A|1R|B|1S|F|W]]|9|@]|C|$]]|$1|X|3|-4|5|6|7|1T|8|@]|9|@]|C|$]]]|Y|$Z|$5|10|11|12|C|$13|14]]|15|$5|10|11|12|C|$13|16]]]]

Here's a simpler solution that I'm using. I already like/need <a href="https://github.com/bkeepers/dotenv" rel="nofollow noreferrer">dotenv</a> and <a href="https://github.com/puma/puma-heroku" rel="nofollow noreferrer">puma-heroku</a>, so if using those doesn't work for you then this might not be for you.

/config/puma.rb

<pre><code>plugin :heroku
</code></pre>

Gemfile

<pre><code>gem 'dotenv-rails', groups: [:development, :test]
</code></pre>

.env

<pre><code>PORT=8080
</code></pre>

Now I can start both dev and production with <code>rails s</code>.

blocks|key|139752|text|切换到Puma并在config/puma.rb中指定port，例如：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|139753|port++++++++ENV.fetch("PORT")+{+3000+}|code-block|syntax|javascript|139754|显然，它将绑定到指定端口的0.0.0.0：https://github.com/puma/puma/issues/896|139755|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/puma/puma|1|https://github.com/puma/puma/issues/896^0|9|E|Q|4|3|4|0|0|0|L|13|1|0^^$0|@$1|2|3|4|5|6|7|W|8|@$9|X|A|Y|B|C]|$9|Z|A|10|B|C]]|D|@$9|11|A|12|1|13]]|E|$]]|$1|F|3|G|5|H|7|14|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|15|8|@]|D|@$9|16|A|17|1|18]]|E|$]]|$1|M|3|-4|5|6|7|19|8|@]|D|@]|E|$]]]|N|$O|$5|P|Q|R|E|$S|T]]|U|$5|P|Q|R|E|$S|V]]]]

Switch to <a href="https://github.com/puma/puma" rel="nofollow noreferrer">Puma</a> and specify <code>port</code> in <code>config/puma.rb</code>, e.g.:

<pre><code>port ENV.fetch("PORT") { 3000 }
</code></pre>

Apparently it will bind to 0.0.0.0 for the specified port: <a href="https://github.com/puma/puma/issues/896" rel="nofollow noreferrer">https://github.com/puma/puma/issues/896</a>

blocks|key|139757|text|对于带有Puma+3.12.1的Rails+5.1.7，选择的答案不起作用，但我通过将以下内容添加到我的config/puma.rb文件来完成它：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|139758|set_default_host+'0.0.0.0'+#+Note:+Must+come+BEFORE+defining+the+port

port+ENV.fetch('PORT')+{+3000+}|code-block|syntax|javascript|139759|我通过检查dsl+file来确定这一点。它对该文件使用instance_eval，所以可能还有其他方法，但对我来说这似乎是最合理的。|139760|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/puma/puma/blob/master/lib/puma/dsl.rb^0|1G|E|0|0|R|D|5|8|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|X|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|Y|8|@$9|Z|A|10|B|C]]|D|@$9|11|A|12|1|13]]|E|$]]|$1|M|3|-4|5|6|7|14|8|@]|D|@]|E|$]]]|N|$O|$5|P|Q|R|E|$S|T]]]]

For Rails 5.1.7 with Puma 3.12.1 the selected answer does not work, but I accomplished it by adding the following to my <code>config/puma.rb</code> file:

<pre><code>set_default_host '0.0.0.0' # Note: Must come BEFORE defining the port

port ENV.fetch('PORT') { 3000 }
</code></pre>

I determined this by inspecting the <a href="https://github.com/puma/puma/blob/master/lib/puma/dsl.rb" rel="noreferrer">dsl file</a>. It uses <code>instance_eval</code> on that file, so there are probably other ways to do it, but this seemed the most reasonable to me.

blocks|key|141963|text|如果您使用docker或其他工具来管理环境变量，可以将HOST环境变量设置为您需要绑定的IP。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|141964|示例：HOST=0.0.0.0|141965|如果使用Docker，则将其添加到docker.env文件中；如果使用foreman，则将其添加到.env。|141966|entityMap^0|R|4|0|3|C|0|H|A|1D|4|0^^$0|@$1|2|3|4|5|6|7|L|8|@$9|M|A|N|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|O|8|@$9|P|A|Q|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|R|8|@$9|S|A|T|B|C]|$9|U|A|V|B|C]]|D|@]|E|$]]|$1|J|3|-4|5|6|7|W|8|@]|D|@]|E|$]]]|K|$]]

If you use docker or another tool to manage the environment variables, you can set the <code>HOST</code> environment variable to the IP you need to bind.

Example:
<code>HOST=0.0.0.0</code>

Add it to <code>docker.env</code> file if you use Docker or <code>.env</code> if you use foreman.

blocks|key|139762|text|对于带有Puma的Rails5，选择的答案不起作用。你可能会得到这样的错误：cannot+load+such+file+--+rails/commands/server|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|139763|要获得正确的解决方案，请在config/puma.rb中添加以下内容|139764|bind+'tcp://0.0.0.0:3000'|code-block|syntax|javascript|139765|entityMap^0|12|1A|0|D|E|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@$9|P|A|Q|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|R|8|@$9|S|A|T|B|C]]|D|@]|E|$]]|$1|H|3|I|5|J|7|U|8|@]|D|@]|E|$K|L]]|$1|M|3|-4|5|6|7|V|8|@]|D|@]|E|$]]]|N|$]]

For Rails 5 with Puma the selected answer does not work. You may get such error: <code>cannot load such file -- rails/commands/server</code>

For proper solution add following to <code>config/puma.rb</code>:

<pre><code>bind 'tcp://0.0.0.0:3000'
</code></pre>

After upgrading our team's rails application to 4.2, as the <a href="http://guides.rubyonrails.org/4_2_release_notes.html#default-host-for-rails-server">release note</a> mentioned, the default ip <code>rails server</code> binds to is changed to <code>localhost</code> from <code>0.0.0.0</code>.

We develop with Vagrant, and want the development server to be accessible directly from browser on the host machine.

Instead of typing <code>rails s -b 0.0.0.0</code> every time from now on, I wonder if there's any more elegant solution, so that we can still use sth as simple as <code>rails s</code> to start the server. Perhaps:

<ul>
<li>a config file <code>rails s</code> reads where I can modify the default binding ip (without using <code>-c</code>)</li>
<li>port forward with vagrant (tried but failed, see problem encountered below)</li>
<li>a monkey patch to rack, that changes the default binding ip</li>
</ul>

The real goal behind this is that I want the upgrade to be smooth among our team, avoiding the glitch that people will have to constantly restarting their rails server due to the missing <code>-b 0.0.0.0</code> part.

I tried vagrant port forwarding, but still get <code>Connection Refused</code> when I visit <code>localhost:3000</code> on the host machine. The two configuration lines I tried was:

<pre><code>config.vm.network "forwarded_port", guest: 3000, host: 3000
config.vm.network "forwarded_port", guest: 3000, guest_ip: '127.0.0.1', host: 3000
</code></pre>

Didn't find any relevant instructions in the official docs. Any help will be appreciated.

How to change the default binding ip of Rails 4.2 development server?

服务器

Docker

在将我们团队的rails应用程序升级到4.2之后，正如所提到的，rails server绑定到的默认ip从0.0.0.0更改为localhost。我们使用Vagrant进行开发，并希望可以从主机上的浏览器直接访问开发服务器。从现在开始，我不想知道是否有更好的解决方案，这样我们仍然可以使用像rails s这样简单的东西来...

问如何更改Rails 4.2开发服务器的默认绑定ip？
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问如何更改Rails 4.2开发服务器的默认绑定ip？
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