Partly boring tech stack that powers my SaaS project. I built this MVP in less than 1 month with $0 monthly cost — This article is inspired by The Tech Stack of a One-Man SaaS by Anthony Simon of Panelbear. In December 2021, I launched Asthma Journey, an app for people with asthma to record and analyze their asthma symptoms so that they can get better diagnoses and treatments. Two months later, I…