template.yaml

# Example config where two `Function`s use the same underlying function
# but will have different results based on parameters.
# `function handler(event, context)`
Globals:
  # Definitions used by all `AWS::Serverless::Function`s. 
  Function:
    Runtime: nodejs12.x
    Timeout: 180
    # Directory where the callable function is stored.
    CodeUri: src/
    # The callback function which takes two parameters (event, context).
    Handler: index.handler
    Environment:
      Variables:
        TABLE_NAME: data-table

# Resources can be anything (Functions, Api, HttpApi, LayerVersion etc.)
Resources:
  HelloWorldFunction:
    # This will by default use `index.handler` as it's calling function.
    Type: AWS::Serverless::Function
    Properties:
      Environment:
        Variables:
          MESSAGE: "Hello From SAM"

  # Handles the "Thumbnail" event.
  ThumbnailFunction:
    # This will by default use `index.handler` as it's calling function.
    Type: AWS::Serverless::Function
    Properties:
      Events:
        Thumbnail: # Arbitrary name for event. Useful for code-gen.
          Type: Api
          Properties:
            Path: /thumbnail
            Method: POST