Ruby notes

use rbenv to manage ruby version

brew install rbenv ruby-build
rbenv init

# list latest stable versions:
rbenv install -l

# list all local versions:
rbenv install -L

# install a Ruby version:
rbenv install 3.1.2

rbenv global 3.1.2   # set the default Ruby version for this machine
# or:
rbenv local 3.1.2    # set the Ruby version for this directory

# set the following in .zshrc
eval "$(rbenv init - zsh)"

Add support of postgres

To use Postres DB, gem "pg" is required.

Run the following if bundle install fails to work.

brew install postgresql

Seed db to create a user

We can seed the database with plain sql

connection = ActiveRecord::Base.connection()
connection.execute("SQL GOES HERE")