What is actions-netlify?

Actions-netlify is a tool that automatically publishes your website to Netlify whenever you update your code on GitHub. Instead of manually uploading files or running deploy commands yourself, this tool watches for changes and handles the publishing step for you. It also posts the live URL as a comment on your pull requests and commits, so your team can click and preview the result immediately. At a high level, it plugs into GitHub Actions, which is GitHub's built-in automation system. You write a short configuration file that tells the tool which folder contains your built website files (like a "dist" folder). When you push code or open a pull request, the tool grabs those files and sends them to Netlify, which hosts them at a temporary preview URL. You provide a couple of credentials from your Netlify account so the two services can talk to each other securely. This is designed for teams and individuals who already use GitHub and Netlify but want a smoother, more visible deployment process. For example, if a designer wants to review a developer's work before it goes live, the developer opens a pull request and the tool automatically replies with a preview link. The reviewer clicks it, sees the site in their browser, and leaves feedback, all without anyone touching a server or running deploy commands. It also supports GitHub's own deployment tracking, so your repository's interface shows deployment status alongside your code. The tool offers a range of optional settings that let you control the behavior. You can choose whether it comments on pull requests, commits, or both, and whether it overwrites previous comments to keep things tidy instead of spamming a thread with a new link every time someone pushes a fix. You can also assign custom URL prefixes, attach a custom deploy message, and point it to a Netlify configuration file if your project uses one. These options make it flexible enough for simple personal sites or larger team workflows.