serverless.yml

Serverless framework uses configuration in serverless.yml to deploy your project to the AWS Lambda.

serverless.yml

# Name of your application/service
service: "My-Application-Name" 

provider:
    # Currently only supports AWS
    name: aws
    # Aws region
    region: ap-south-1
    # bref runtime provided for the lambda function
    runtime: provided
    # if set to true, Lambda will store code from all your deployments
    versionFunctions: false

# Plugins to be included with the service
plugins:
    - ./vendor/bref/bref

# You can define multiple functions here
functions:
    # function details
    function_name:
        handler: index.php
        description: 'Describe Your functions task'
        layers:
            - ${bref:layer.php-73}

# Exclude files from deployment
package:
    exclude:
        - 'tests/**'
        - '.idea/**'
        - '.gitignore'

You can find detailed documentation for serverless.yml on this page.