AWSTemplateFormatVersion: "2010-09-09" Description: Sample template describing security group resources for an example application. (uksb-1q9p31idr) Resources: InstanceSecurityGroup: Type: AWS::EC2::SecurityGroup Properties: GroupDescription: Allow http to client host VpcId: !ImportValue Fn::Sub: AWS-CloudFormationWorkshop-VpcId SecurityGroupIngress: - IpProtocol: tcp FromPort: 80 ToPort: 80 CidrIp: 0.0.0.0/0 SecurityGroupEgress: - IpProtocol: tcp FromPort: 80 ToPort: 80 CidrIp: 0.0.0.0/0 Outputs: SecurityGroupId: Description: The security group ID to use to attach to instances. Value: !Ref 'InstanceSecurityGroup' Export: Name: AWS-CloudFormationWorkshop-SecurityGroupId