How to install Discourse in the AWS EC2 Instances(Ubuntu Server LTS)?

התקנה
27

I tried to visit Instances’s IPv4 Public IP, and it displayed that:

chrome-error___chromewebdata_(Laptop%20with%20HiDPI%20screen)%20(1)
chrome-error___chromewebdata_(Laptop with HiDPI screen) (1).png2880×1800 311 KB