Zero-ish downtime deploy on da cheap!

This project aims to get a 0-ish downtime deployments (very easily achievable with Kubernetes) just using:

• Docker containers
• An nginx reverse proxy (or a load balancer maybe?)
• PostgreSQL server
• gitlab-ci / GH Actions (I've done some work with gitlab-ci already).
• A target VPS for your app to be deployed.
• Terraform

Goals

• It should deploy automagically
• It should have an staging and a production environment
• The downtime between swapping the old app and the new app has to be as closest to 0 as possible.

Principles

• Only use free stuff.
• Make it work first, then make it secure, and then make it pretty.