Stop, Start, Restart Rake tasks for Rails

Rakefile

desc 'Stop rails server'
task :stop do
  File.new("tmp/pids/server.pid").tap { |f| Process.kill 9, f.read.to_i }.delete
end

desc 'Starts rails server'
task :start do
  Process.exec("rails s puma -d")
end

desc "Restarts rails server"
task :restart do
  Rake::Task[:stop].invoke
  Rake::Task[:start].invoke
end