tutorial.yaml

FirstInstance: # (1)
    Type: AWS::EC2::Instance # (2)
    Properties:
      ImageId: ami-0389b2a3c4948b1a0 # (3)
      InstanceType: t2.micro # (4)
      UserData:
        Fn::Base64:
          Fn::Sub: | # (5)
            #!/bin/bash -xe
            yum update -y
            yum install -y httpd
            systemctl start httpd
            systemctl enable httpd
            echo "Hello from $(hostname -f)" > /var/www/html/index.html