Look — I’ve been there. Late Friday night. Again. Me, staring at three Ubuntu servers, manually editing Nginx configs over SSH because “it’s just a quick change.” Spoiler: it never is. I remember the time I spent two hours debugging why one server wasn’t serving static assets — turned out I’d typoed the root path in /etc/nginx/sites-available/default . That typo went live at 10 PM. And my manager? Walked in Monday morning, sipped his chai, and said, “You’re still doing this by hand?” Yeah, I learned this the hard way. 📑 Table of Contents 🚀 Prerequisites — What You Need ⚙️ Installing Ansible on Ubuntu 🔧 Configuring Ansible Hosts 📦 Creating a Playbook to Install Nginx 📁 Preparing Files and Running the Playbook 🧠 Best Practices for Reliable Nginx Deployment 🔐 Use Variables and Templates 🔄 Idempotency — Your Best Friend 🧪 Test in Stages 🟩 Final Thoughts ❓ Frequently Asked Questions Can I use Ansible to install Nginx on multiple Ubuntu versions? Do I need to install Ansible on the target Ubuntu servers?…