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RubyAdvent Calendar 2012

Day 12
@_CoffeeAndTea

Ruby Simple HTTP Server With Rack

Last updated at Posted at 2012-12-15

Using JavaScript, if it is a static page, Chrome AJAX request local files often problems.

XMLHttpRequest cannot load
file:///*******.
Origin null is not allowed by Access-Control-Allow-Origin.

Because Chrome security mechanisms do not allow AJAX to load local files.
So, I decide to use a new method with ruby.

  • Install the rack, and set rack profiles config.ru:

gem install rack
echo "run Rack::Directory.new('')" > ~/config.ru

  • Switch to any directory and run:

rackup ~/config.ru

If you think the command so long, establish alias alias rp='rackup ~/config.ru'

The default boot server port is 9292,-p [port_num] can modify the port number, now open the browser to get the current directory of the file list: http://locahost:9292/

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