Build, Deploy and Reverse Proxy a Rust API: HNG DevOps Stage 1

This is part of my HNG DevOps internship series. Follow along as I document every stage. Previous article: How I Secured a Linux Server from Scratch: HNG DevOps Stage 0 In Stage 0, I provisioned a Linux server on Oracle Cloud, hardened SSH access, configured UFW, set up Nginx, and secured everything