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Anatomy of a Project and Basic CLI Commands

Explore the core components of a Serverless Framework project using a clear construction analogy. Understand how the serverless.yml file defines your project, and learn to use essential CLI commands to create, deploy, and remove serverless applications with AWS Lambda functions.

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In this lesson, we'll explore the anatomy of a Serverless Framework project using a construction analogy to help newcomers better understand the components and structure of a typical project. Let's compare a Serverless Framework project to building a house. Imagine constructing a house, where various elements like the foundation, walls, and roof come together to create a solid structure. Similarly, a Serverless Framework project has different components, each with a unique role in the overall structure and functionality.

The heart of every Serverless Framework project is the serverless.yml file. It acts as the blueprint, defining the structure and components of our serverless application.

Here's a basic example of a serverless.yml file:

YAML
service: my-house
provider:
  name: aws
  runtime: nodejs16.x
  stage: dev
  region: us-west-2
functions:
  processOrder:
    handler: handlers/order.handler
    events:
      - http:
          path: request
          method: get

Now, let's break down the main elements in our serverless.yml file using the construction (a house) analogy:

Service (house name): The service section represents the name of our house. It helps to identify and group ...