provider:
  name: aws
  deploymentMethod: direct

serverless package

users/
  # Contains 4 functions that do Users CRUD operations and the Users database
  serverless.yml
posts/
  # Contains 4 functions that do Posts CRUD operations and the Posts database
  serverless.yml
comments/
  # Contains 4 functions that do Comments CRUD operations and the Comments database
  serverless.yml

functions:
  hello:
    handler: handler.hello # required, handler set in AWS Lambda
    name: ${sls:stage}-lambdaName # optional, Deployed Lambda name
    description: Description of what the lambda function does # optional, Description to publish to AWS
    runtime: python3.11 # optional overwrite, default is provider runtime
    runtimeManagement:
      mode: manual # syntax required for manual, mode property also supports 'auto' or 'onFunctionUpdate' (see provider.runtimeManagement)
      arn: <aws runtime arn> # required when mode is manual
    memorySize: 512 # optional, in MB, default is 1024
    timeout: 10 # optional, in seconds, default is 6
    provisionedConcurrency: 3 # optional, Count of provisioned lambda instances
    reservedConcurrency: 5 # optional, reserved concurrency limit for this function. By default, AWS uses account concurrency limit
    tracing: PassThrough # optional, overwrite, can be 'Active' or 'PassThrough'

provider:
  name: aws
  runtime: nodejs14.x
  iam:
    role:
      statements: # permissions for all of your functions can be set here
        - Effect: Allow
          Action: # Gives permission to DynamoDB tables in a specific region
            - dynamodb:DescribeTable
            - dynamodb:Query
            - dynamodb:Scan
            - dynamodb:GetItem
            - dynamodb:PutItem
            - dynamodb:UpdateItem
            - dynamodb:DeleteItem
          Resource: 'arn:aws:dynamodb:us-east-1:*:*'

	
provider:
  name: aws
  iam:
    role:
      statements:
        - Effect: 'Allow'
          Action:
            - 's3:ListBucket'
          # You can put CloudFormation syntax in here.  No one will judge you.
          # Remember, this all gets translated to CloudFormation.
          Resource: { 'Fn::Join': ['', ['arn:aws:s3:::', { 'Ref': 'ServerlessDeploymentBucket' }]] }
        - Effect: 'Allow'
          Action:
            - 's3:PutObject'
          Resource:
            Fn::Join:
              - ''
              - - 'arn:aws:s3:::'
                - 'Ref': 'ServerlessDeploymentBucket'
                - '/*'

	
# serverless.yml
service: new-service
provider:
  name: aws
  iam:
    role: arn:aws:iam::YourAccountNumber:role/YourIamRole

functions:
  func:
    handler: index.handler
    url: true

	
functions:
  func:
    handler: index.handler
    url:
      cors:
        allowedOrigins:
          - https://url1.com
          - https://url2.com
        allowedHeaders:
          - Content-Type
          - Authorization
        allowedMethods:
          - GET
        allowCredentials: true
        exposedResponseHeaders:
          - Special-Response-Header
        maxAge: 6000 # In seconds

provider:
  name: aws
  environment:
    SYSTEM_NAME: mySystem
    TABLE_NAME: tableName1

functions:
  hello:
    handler: handler.hello
    environment:
      TABLE_NAME: tableName

functions:
  hello:
    handler: handler.hello
    layers:
      - arn:aws:lambda:region:XXXXXX:layer:LayerName:Y

provider:
  versionFunctions: false

functions:
  asyncHello:
    handler: handler.asyncHello
    maximumEventAge: 7200
    maximumRetryAttempts: 1

functions:
  helloEphemeral:
    handler: handler.handler
    ephemeralStorageSize: 1024