cf-ec2.yaml

Resources:
  MyInstance:
    Type: AWS::EC2::Instance
    Properties:
      AvailabilityZone: "eu-north-1a"
      ImageId: "ami-0c5254b956817b326"
      InstanceType: "t3.micro"
      KeyName: "ec2-general"
      SecurityGroups:
        - !Ref HTTPSecurityGroup
        - !Ref SSHSecurityGroup

  # Elastic IP for the instance
  MyEIP:
    Type: AWS::EC2::EIP
    Properties:
      InstanceId: !Ref MyInstance

  SSHSecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupName: SSHSecurityGroupStack
      GroupDescription: Enable SSH access to instances via port 22
      SecurityGroupIngress:
      - CidrIp: 0.0.0.0/0
        FromPort: 22
        IpProtocol: tcp
        ToPort: 22

  HTTPSecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupName: EC2CFHTTPGroup
      GroupDescription: Allow HTTP traffics to instance in port 80
      SecurityGroupIngress:
      - CidrIp: 0.0.0.0/0
        FromPort: 80
        IpProtocol: tcp
        ToPort: 80