template.yaml

AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: api for apis.goldenbearkin.com/apolloserverdemo/prod

Parameters:
  DomainName:
    Type: String
    Description: The api domain name (e.g. example.com)
  SubDomainName:
    Type: String
    Description: The api sub-domain name (e.g. www)
  BasePath:
    Type: String
    Description: The api basePath (e.g. apolloserverdemo)
  Stage:
    Type: String
    Description: Stage to deploy (e.g. dev)

Resources:
  ApiGatewayApi:
    Type: AWS::Serverless::Api
    Properties:
      DefinitionUri: ./swagger.yaml
      StageName: !Ref Stage
      Variables:
        ServerlessExpressLambdaFunctionName: !Ref LambdaFunction

  ApiGatewayMapping:
    Type: AWS::ApiGateway::BasePathMapping
    Properties:
      BasePath: !Ref BasePath
      DomainName: !Sub ${SubDomainName}.${DomainName}
      RestApiId: !Ref ApiGatewayApi
      # Stage: prod

  LambdaExecutionRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Version: '2012-10-17'
        Statement:
          Effect: Allow
          Principal:
            Service: lambda.amazonaws.com
          Action: sts:AssumeRole
      ManagedPolicyArns: ['arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole']

  LambdaApiGatewayExecutionPermission:
    Type: AWS::Lambda::Permission
    Properties:
      Action: lambda:InvokeFunction
      FunctionName: !GetAtt LambdaFunction.Arn
      Principal: apigateway.amazonaws.com
      SourceArn: !Join
        - ''
        - - 'arn:aws:execute-api:'
          - !Ref AWS::Region
          - ":"
          - !Ref AWS::AccountId
          - ":"
          - !Ref ApiGatewayApi
          - "/*/*"

  LambdaFunction:
    Type: AWS::Serverless::Function
    Properties:
      Environment:
        Variables:
          STAGE: !Ref Stage
          NODE_ENV: production
      CodeUri: ./
      Handler: build/src/index.handler
      MemorySize: 1024
      Role: !GetAtt LambdaExecutionRole.Arn
      Runtime: nodejs6.10
      Timeout: 30
      Events:
        ProxyApiRoot:
          Type: Api
          Properties:
            RestApiId: !Ref ApiGatewayApi
            Path: /
            Method: ANY
        ProxyApiGreedy:
          Type: Api
          Properties:
            RestApiId: !Ref ApiGatewayApi
            Path: /{proxy+}
            Method: ANY

Outputs:
  LambdaFunctionConsoleUrl:
    Description: Console URL for the Lambda Function.
    Value: !Join
      - ''
      - - https://
        - !Ref AWS::Region
        - ".console.aws.amazon.com/lambda/home?region="
        - !Ref AWS::Region
        - "#/functions/"
        - !Ref LambdaFunction

  ApiGatewayApiConsoleUrl:
    Description: Console URL for the API Gateway API's Stage.
    Value: !Join
      - ''
      - - https://
        - !Ref AWS::Region
        - ".console.aws.amazon.com/apigateway/home?region="
        - !Ref AWS::Region
        - "#/apis/"
        - !Ref ApiGatewayApi
        - !Sub "/stages/${Stage}"

  ApiUrl:
    Description: Invoke URL for your API. Clicking this link will perform a GET request
      on the root resource of your API.
    Value: !Join
      - ''
      - - https://
        - !Sub "${SubDomainName}.${DomainName}"
        - !Sub "/${BasePath}"
        - !Sub "/${Stage}/graphiql"