Developer Runs Homelab on Oracle Cloud Free Tier VPS, Documents Lessons Learned

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A software developer set up a small homelab environment on Oracle Cloud's always-free tier VPS, which offers 1 GB RAM, 1 vCPU, Ubuntu Linux, and a public IP address. The primary goal was to use the instance as a learning playground for Linux, system administration, and DevOps skills. An attempt to run K3s Kubernetes on the 1 GB machine was abandoned after memory usage quickly became unmanageable, highlighting how resource constraints become very real in practice. The developer successfully deployed Docker containers, configured Nginx, set up firewall rules using iptables, and hosted a previously built web application called Ceylon Tour Planner. The experiment concluded with connecting a custom Namecheap-registered domain to the VPS via a DNS A record, giving the developer hands-on experience with the full deployment stack.

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