Installing setup prerequisites

Installing setup prerequisites

Here we will perform an installation guide of some application prerequisites

The guide below is valid for Ubuntu 20.4

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First we will install required libs

Let's do it

$sudo apt install curl libssl-dev libreadline-dev zlib1g-dev autoconf bison build-essential libyaml-dev libreadline-dev libncurses5-dev libffi-dev libgdbm-dev libpq-dev

Install Ruby 3.0

If you prefer or use another system you can follow the official guide

We are going to use RVM

$gpg --keyserver hkp://pool.sks-keyservers.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB
$cd /tmp
$sudo apt-get update
$curl -sSL https://get.rvm.io | bash -s stable
$source ~/.rvm/scripts/rvm

$sudo apt-get update
$sudo groupadd rvm
$sudo usermod -a -G rvm $USER
$rvm install 3.0.0

Now we will install Node 14.0

Official website

We will use NVM

$curl https://raw.githubusercontent.com/creationix/nvm/master/install.sh | bash 
$source ~/.profile
$nvm install 14.0.0

Installing Yarn

Visit the official website

$curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
$echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
$sudo apt update
$apt list --upgradable
$sudo apt install --no-install-recommends yarn

PostgreSQL

If you want more informations got to official website

$sudo apt update
$sudo apt install postgresql postgresql-contrib postgresql-client

Rails 6

We are using Rails 6.0.0

Follow this command and install rails globally

gem install rails

Make sure you have the correct version installed.

rails -v

Bundler

We need install Bundler 2.2

Install it globally

gem install bundler

Optionally you can use Docker and Composer

Follow these guides:

Installing docker

Installing composer