Gurpartap/cognizant

thin: &thin
  # autostart: true
  group: thin
  uid: www-data
  gid: www-data
  env: 
    RACK_ENV: production
  chdir: /apps/acmecorp.com/current
  daemonize: false
  checks:
    flapping:
      times: 3
      within: 1
      retry_after: 15
      retries: 10
    # transition trigger is not useful in YAML config as blocks are not possible
    cpu_usage:
      above: 50
      every: 5
      times: 5
      do: stop
    memory_usage:
      above: 314572800 # 300 megabytes in bytes
      every: 5
      times: [3, 5]
      do: stop

applications:
  acmecorp.com:
    monitor:
      thin-0:
        <<: *thin
        start_command:   bundle exec thin start   --only 0 --servers 3 --port 5000
        stop_command:    bundle exec thin stop    --only 0 --servers 3 --port 5000
        restart_command: bundle exec thin restart --only 0 --servers 3 --port 5000
        pidfile: /apps/acmecorp.com/shared/tmp/pids/thin.5000.pid
      thin-1:
        <<: *thin
        start_command:   bundle exec thin start   --only 1 --servers 3 --port 5000
        stop_command:    bundle exec thin stop    --only 1 --servers 3 --port 5000
        restart_command: bundle exec thin restart --only 1 --servers 3 --port 5000
        pidfile: /apps/acmecorp.com/shared/tmp/pids/thin.5001.pid
      thin-2:
        <<: *thin
        start_command:   bundle exec thin start   --only 2 --servers 3 --port 5000
        stop_command:    bundle exec thin stop    --only 2 --servers 3 --port 5000
        restart_command: bundle exec thin restart --only 2 --servers 3 --port 5000
        pidfile: /apps/acmecorp.com/shared/tmp/pids/thin.5002.pid