What to monitor?

It's best to monitor the following components:

  • Mongo - following mongo best practices
  • RabbitMQ = following RabbitMQ best practices
  • Docker service - on all hosts
  • Docker api-manager container - check that the api-manager container is running
  • Docker api-manager - a API endpoint for monitoring the status is available at /api/status, consult the api docs for more info
  • Docker api-worker container - check that the api-manager container is running on all worker nodes
  • (Optional) routing layers - changes depanding on your design
  • App containers - check that the app containers are running on your worker nodes
  • End2End network connections - if your app accepts HTTP\TCP\UDP requests best to check e2e connectivity as well