Here is a quick steps of Phoenix Framework installation in Ubuntu 20.04 – Focal Fossa ready for website development. In summary, the steps will install the Erlang, Elixir, Phoenix Framework and PostgreSQL.
1. Erlang and Elixir Installation
First, lets install Erlang. When the pop-up of codename appear, please input Ubuntu 20.04 Codename which is “Focal”:
sudo dpkg -i erlang-solutions_1.0_all.deb
sudo apt-get update
sudo apt-get install erlang
sudo apt-get install elixir
sudo apt-get install git vim