Hello World API CloudFormation - Application Load Balancer

Hello_World_API-ALB.yml

  LoadBalancerSecGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: Load balance allow port 80 traffic
      VpcId: !ImportValue VPCID
      SecurityGroupIngress:
        CidrIp: 0.0.0.0/0
        FromPort: 80
        IpProtocol: TCP
        ToPort: 80

  LoadBalancer:
    Type: AWS::ElasticLoadBalancingV2::LoadBalancer
    Properties:
      SecurityGroups:
        - !Ref LoadBalancerSecGroup
      Subnets:
        - !ImportValue PublicSubnetA
        - !ImportValue PublicSubnetB

  LoadBalancerListener:
    Type: AWS::ElasticLoadBalancingV2::Listener
    Properties:
      Protocol: HTTP
      LoadBalancerArn: !Ref LoadBalancer
      DefaultActions:
        - Type: forward
          TargetGroupArn: !Ref LoadBalancerTargetGroup
      Port: 80

  LoadBalancerTargetGroup:
    Type: AWS::ElasticLoadBalancingV2::TargetGroup
    Properties:
      TargetType: lambda
      Targets:
        - AvailabilityZone: all
          Id: !GetAtt Lambda.Arn