I have a Vagrant VM with Rails installed with a sample app. The VM is configured to forward the port 3000 (of Rails Webrick server) to my host 3000 port.
config.vm.network "forwarded_port", guest: 3000, host: 3000
Everything is configured as seen in a lot of examples.
But, when I try to access http://localhost:3000
nothing happens. I've also tried to forward to other random ports like 8081, 25600, without success. Doing a curl request also does not get anything (just a Connection reset by the peer message), and a curl request inside VM works perfectly (as expected).
Both my PC and my VM runs Ubuntu 12.04. I'm using Ruby 2.2.0 and Rails 4.2.0.
An important point is that Apache works normally. I forwarded the port 80 to port 8080 and everything works. It seems that the problem is just with the Rails server, even if when I use other ports (rails server -p 4000
, for example)
Rails 4.2 now binds to 127.0.0.1
by default and not 0.0.0.0
.
Start the server using bin/rails server -b 0.0.0.0
and that should sort it.
To run on a specific port :
rails server -b 0.0.0.0 -p 8520
Use:
rails s -b 0.0.0.0
or
Add to config/boot.rb
:
require 'rails/commands/server'
module Rails
class Server
new_defaults = Module.new do
def default_options
default_host = Rails.env == 'development' ? '0.0.0.0' : '127.0.0.1'
super.merge( Host: default_host )
end
end
# Note: Module#prepend requires Ruby 2.0 or later
prepend new_defaults
end
end
and work with rails s
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