demo.yml

Transform: ["SamAlb", "AWS::Serverless-2016-10-31"]
Parameters:
  ListenerArn:
    Type: AWS::SSM::Parameter::Value<String>
    Default: /SamAlbExample/ListenerArn
Resources:
  FunctionA:
    Type: AWS::Serverless::Function
    Properties:
      Handler: index.handler
      Runtime: python3.7
      Events:
        Alb:
          Type: ALB
          Properties:
            Oidc:
              ClientId: '{{resolve:secretsmanager:GoogleOidc:SecretString:ClientId}}'
              ClientSecret: '{{resolve:secretsmanager:GoogleOidc:SecretString:ClientSecret}}'
              Issuer: https://accounts.google.com
            Priority: 50
            ListenerArn: !Ref ListenerArn
            Conditions:
              Host: [alb.ge.cx]
      InlineCode: |
        import json

        def handler(event, context):
            return {
                "isBase64Encoded": False,
                "statusCode": 200,
                "statusDescription": "200 OK",
                "headers": {"Content-Type": "application/json"},
                "body": json.dumps(event, default=str)
            }
  FunctionB:
    Type: AWS::Serverless::Function
    Properties:
      Handler: index.handler
      Runtime: python3.7
      Events:
        PathAlb:
          Type: ALB
          Properties:
            Priority: 30
            ListenerArn: !Ref ListenerArn
            Conditions:
              Host: [alb.ge.cx]
              Path: [/example]
      InlineCode: |
        def handler(event, context):
            return {
                "isBase64Encoded": False,
                "statusCode": 200,
                "statusDescription": "200 OK",
                "headers": {"Content-Type": "text/plain"},
                "body": "Goodbye from Lambda"
            }