unicorn.rb

env = ENV["RAILS_ENV"] || "development"
if env == "production"
  app_dir = "PROJECT-NAME"
  worker_processes 4
end

listen 8080, reuseport: true
preload_app true

timeout 30

working_directory "/home/dev/PROJECT-NAME/current/"

# feel free to point this anywhere accessible on the filesystem
user 'dev', 'dev'
shared_path = "/home/dev/PROJECT-NAME/shared"

stderr_path "#{shared_path}/log/unicorn.stderr.log"
stdout_path "#{shared_path}/log/unicorn.stdout.log"

# pid "#{working_directory}/tmp/pids/unicorn.pid"
before_fork do |server, worker|
  if defined?(ActiveRecord::Base)
    ActiveRecord::Base.connection.disconnect!
  end
  old_pid = "/home/dev/PROJECT-NAME/current/tmp/pids/unicorn.pid.oldbin"
  if File.exists?(old_pid) && server.pid != old_pid
    begin
      Process.kill("QUIT", File.read(old_pid).to_i)
    rescue Errno::ENOENT, Errno::ESRCH

    end
  end
end

after_fork do |server, worker|
  if defined?(ActiveRecord::Base)
    ActiveRecord::Base.establish_connection
  end
end