For the backend of my personal webapps I’m using Nginx with its WebDAV module. WebDAV is a protocol for managing files. So I basically have plain json files I

For the backend of my personal webapps I’m using Nginx with its WebDAV module. WebDAV is a protocol for managing files. So I basically have plain json files I read and overwrite. GET /mydata.json PUT /mydata.json For auth, Basic auth, which is built-in in the module and in browsers. so it’s just a text file with a username and a hashed pwd. On the phone, I “Add to Home Screen” from Safari For backups, in my home router I have a cron that rsyncs the json files. The VPS costs $12/mo