plugins:
  - serverless-plugin-parent

custom:
  parent:
    maxLevels: 2     # Optional (Default 3)

custom:
  parent:
    overwriteServiceConfig: false     # Optional (Default true)

provider:
  name: aws
  stage: ${opt:stage, "Test"}
  runtime: nodejs8.10
  role: DefaultRole
resources:
  Resources:
    DefaultRole:
      Type: AWS::IAM::Role
      Properties:
        Path: /
        RoleName: ${self:service}-${self:provider.stage}
        AssumeRolePolicyDocument:
          Version: "2012-10-17"
          Statement:
            - Effect: Allow
              Principal:
                Service:
                  - lambda.amazonaws.com
              Action: sts:AssumeRole
        Policies:
          - PolicyName: ${self:service}-${self:provider.stage}
            PolicyDocument:
              Version: "2012-10-17"
              Statement:
                - Effect: Allow
                  Action:
                    - logs:CreateLogGroup
                    - logs:CreateLogStream
                    - logs:PutLogEvents
                  Resource: arn:aws:logs:${self:provider.region}:*:log-group:/aws/lambda/*:*:*

service: Service1
plugins:
  - serverless-plugin-parent
provider:
  environment:
    HELLO_MESSAGE: Mholo
functions:
  Hello:
    handler: hello.handle
    events:
      - http:
          path: hello
          method: get
          cors: true

service: Service1
provider:
  name: aws
  stage: ${opt:stage, "Test"}
  runtime: nodejs8.10
  role: DefaultRole
plugins:
  - serverless-plugin-parent
provider:
  environment:
    HELLO_MESSAGE: Mholo
functions:
  Hello:
    handler: hello.handle
    events:
      - http:
          path: hello
          method: get
          cors: true
resources:
  Resources:
    DefaultRole:
      Type: AWS::IAM::Role
      Properties:
        Path: /
        RoleName: ${self:service}-${self:provider.stage}
        AssumeRolePolicyDocument:
          Version: "2012-10-17"
          Statement:
            - Effect: Allow
              Principal:
                Service:
                  - lambda.amazonaws.com
              Action: sts:AssumeRole
        Policies:
          - PolicyName: ${self:service}-${self:provider.stage}
            PolicyDocument:
              Version: "2012-10-17"
              Statement:
                - Effect: Allow
                  Action:
                    - logs:CreateLogGroup
                    - logs:CreateLogStream
                    - logs:PutLogEvents
                  Resource: arn:aws:logs:${self:provider.region}:*:log-group:/aws/lambda/*:*:*

custom:
  parent:
    path: ../parent
    # or 
    path: ../parent/serverless.yml