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1. How to Deploy a Rails app to Ubuntu with Dokku in 2023, March 18, 2022
   In this guide, I will introduce how to deploy a Ruby on Rails app from scratch with the Dokku open source program. This guide aims at beginners who are passionate about deploying their Ruby on Rails applications to the Internet.
2. How to Control Chipsee PC Backlight with Python and Browser, March 21, 2023
   Today let's see how we can adjust the screen backlight of a Chipsee industrial Pi PC.
3. How to Control Chipsee PC Buzzer with Python and Browser, April 13, 2023
   Today let's see how we can control the builtin buzzer of a Chipsee industrial Pi PC.
4. How to Deploy a Rails app to Raspberry Pi with Docker in 2024, September 07, 2024
   Rails new gives me a good default, including a Dockerfile. But how to deploy this docker image to a Linux host with minimum changes?
5. Enable HTTPS for Rails App with acme.sh and Letsencrypt, September 08, 2024
   Now I have a running Rails app, how to issue an HTTPS cert for it?
6. Move Active Storage From Cloud to Local, and then to Another Cloud, September 12, 2024
   I used to store active storage objects images in an S3-like service, later I tested serving them from local machine, and finally I migrated them to another S3 service provider. Here is how.
7. A Ruby Script to Deploy Rails Docker App to Hetzner, September 14, 2024
   Kamal is good, but manual deploying Docker image is also interesting. How about writing a script to automate this process? What's even better, use Ruby instead of Bash!