There are numerous options, linkedin, hashnode, medium, dev.to etc. And there's an option of personal blog. If you do it on your personal blog then you might not get traffic and if you do it anywhere else then people might not know about your other shiny cool projects. What to do? Answer is in the audio. youtube.com/tanaypratap is the place btw where you can learn what I talk about in the second part of the answer. Don't forget to subscribe to these channels.