🚀 LAB: Deploy Nginx with Variables, Templates & Handlers

🎯 Objective Use common modules ( apt , template , service ) Understand variables See variable precedence in action Use Jinja2 template Trigger handler on config change Observe idempotency 🏗 Architecture Flow: Mac (Control Node) → SSH → 2 Ubuntu EC2 Instances → Install & Configure Nginx 🔹 Step 1 – Launch 2 EC2 Instances AMI: Ubuntu 22.04 Instance type: t2.micro Security Group: Port 22 (SSH) Port 80 (HTTP) 🔹 Step 2 – Install Ansible (Control Node) brew install ansible Verify: ansible --version 🔹 Step 3 – Create Inventory inventory.ini [web] node1 ansible_host = 3.x.x.x node2 ansible_host = 18.x.x.x [web:vars] ansible_user = ubuntu ansible_ssh_private_key_file = ~/Downloads/key.pem Test: ansible web -i inventory.ini -m ping 🔹 Step 4 – Create Project Structure ansible-nginx-lab/ │ ├── inventory.ini ├── deploy.yml ├── group_vars/ │ └── web.yml └── templates/ └── nginx.conf.j2 🔹 Step 5 – Variables (Group Level) group_vars/web.yml app_port : 80 server_name : jumptotech.local welcome_message :