Key takeaways

Routes

• Accepts the request
• Define authentication and authorization
• Formats and responds with appropriate http status codes
• Can throw http status code errors

Actions

• Business logic lives here.
• This layer should operate all of its calls to services and never directly interact with models. This keeps the data access and creation logic to a single point within a service.

Services

• Makes use of models, and other child services, to persist and read data.
• Child services are those that should not be accessed directly, only through this parent, think has one relationships.
• Should not throw http errors

Models

• They're models you know the deal.
• Don't pull in other models into models unless they are true inner class type relationships.

Jobs & Workers

• Jobs are single modules
• They contain logic to validate their data.
• They have an enqueue method to leverage the validation and put the job on the queue.
• They have a work method that performs the actual task.

Key tools and packages

• No babel - no build needed - fast dev loop
• Bunyan - super great JSON formatted logging.
• Boom - standard well-formatted error messages.
• Joi - Object schema validator for req params and job params.
• dotenv - env variables in a single file. Accessed through process.env within the application.
• RabbitMQ - for messaging and to task workers with a job.