Add TASK100 solution: Launch nautilus-ec2 with CPU >=90% CloudWatch alarm to existing SNS topic

Add TASK99 solution: Secure DynamoDB table with table-specific read-only IAM policy and role

Add TASK98 solution: Private VPC, subnet, EC2 with VPC-only SG using variables and outputs

Add TASK97 solution: Create iampolicy_jim with EC2 read-only access using Describe*

Add TASK96 solution: Launch devops-ec2 with RSA key pair and save .pem locally

Add TASK95 solution: Create xfusion-sg in default VPC with HTTP/SSH ingress

Add TASK94 solution: Create xfusion-vpc in us-east-1 using single main.tf

Add TASK93 solution: Conditional file copy using when and inventory_hostname

Add TASK92 solution: Ansible role with dynamic Jinja2 template using inventory_hostname and ansible_user

Add TASK91 solution: Deploy httpd and prepend line to index.html using lineinfile + BOF

Add TASK90 solution: Create files with host-specific ACLs using file and acl modules

Add TASK89 solution: Install httpd, start and enable service on all app servers

Add TASK88 solution: Deploy httpd with blockinfile, apache owner, 0744 perms

Add TASK87 solution: Install samba on all app servers using yum module

Add TASK86 solution: Enable passwordless SSH to stapp03 using ansible_ssh_pass and SSH args