Sandbox::https://github.com/guyskk/stringer/blob/master/start.rb

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#!/usr/local/bin/ruby

require 'optparse'

def wait_postgres

until system("ping -c1 postgres > /dev/null 2>&1") do

puts("Waiting for postgres started")

sleep(1)

end

sleep(3)

end

OptionParser.new do |opts|

opts.banner = "Usage: start.rb COMMAND"

opts.order! do |command|

if command == "app" then

wait_postgres

exec("unicorn -p 80 -c ./config/unicorn.rb")

elsif command == "crontab" then

wait_postgres

while true do

system("bundle exec rake fetch_feeds")

sleep(300)

end

elsif command == "init" then

wait_postgres

system("bundle exec rake db:migrate")

else

puts("Command must be one of [app, init, crontab]")

end

end.parse!