How to create a new plugins?

[tgxworld (Alan Tan)]

Have a look at

Developing Discourse Plugins - Part 1 - Create a basic plugin

Building a plugin in Discourse can be really simple, once you learn a couple of quirks. The goal of this post is to create a skeleton plugin and introduce you to the basics. Your development environment Make sure you have a development environment of Discourse running on your computer. I recommend you use the appropriate setup guide and come back when you’re done. plugin.rb Use GitHub - discourse/discourse-plugin-skeleton: Template for Discourse plugins to create a complete discourse p…

And

Install plugins on a self-hosted site

This guide assumes that you have a self-hosted standard installation. We only support the standard method of install here, so these instructions assume you have a standard install. This guide only applies to self-hosted Discourse instances. If you are using a managed hosting service, the available plugins are controlled by your hosting provider. For example, on our hosting these specific plugins are available by hosting tier. In this tutorial, we’ll install the Discours…