• install node (use nvm)
• install gems

First thing first, install redis. Then install postgresql.

# 1. install redis
sudo dnf install redis     # Install redis cli and server
sudo systemctl start redis # Initialize redis server
sudo systemctl enable redis
redis-cli ping

# 2. install postgresql
sudo dnf install postgresql-server postgresql-contrib
sudo postgresql-setup --initdb --unit postgresql
sudo systemctl enable postgresql
sudo systemctl start postgresql

## check postgresql connection with user postgresql
psql -U postgres -h localhost

# clone discourse
git clone https://github.com/discourse/discourse.git
cd discourse

# prep
sudo dnf install libyaml-devel
npm install -g pnpm
# update gem
sudo gem update --system 3.7.2
gem install bundler
bundle install --gemfile /home/j/test/discourse/Gemfile

# edit database conf
nano config/database.yml 

#
# TODO check if postgres is running and working
#

./bin/dev

# connect to http://localhost:3000

source

• https://github.com/discourse/discourse/blob/main/docs/INSTALL.md
• https://developer.fedoraproject.org/start/sw/web-app/rails.html
• https://discuss.rubyonrails.org/t/cant-setup-rails-psych-yaml-issue/83968/2

errors

cat /home/j/.local/share/gem/ruby/extensions/x86_64-linux/3.3.0/psych-5.2.6/mkmf.log