Server-Side Scripting/Introduction/Ruby

app.rb

# Displays "Hello world!"
#
# References:
#   https://en.wikipedia.org/wiki/WEBrick

require 'webrick'
server = WEBrick::HTTPServer.new(:Port => 8000)

server.mount_proc('/') do |request, response|
    response.body = "Hello world!"
end

trap("INT") {server.shutdown}

server.start

Try It

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• Repl.it

See Also

• Ruby