Error: getaddrinfo ENOTFOUND localhost

Why is it happening

When installing Astro for the first time or any other framework on Mac, you may encounter with the following error:

error: getaddrinfo ENOTFOUND localhost

This is because your machine could not find a mapping to localhost. To solve the issue you are going to want to add this mapping.

How to solve

1. Run the following command(use your preferred editor) sudo vim /etc/hosts

2. Add the following line to the file 127.0.0.1 localhost