1tep

$ git clone https://github.com/yasslab/sample_apps.git

config/database.yml

Gemfile

$ rm Gemfile.lock

$ ruby -v
$ rbenv versions
$ rbenv local 2.7.5

$ yarn add jquery@3.4.1 bootstrap@3.4.1

$ bundle _2.2.17_ install

$ bundle exec rails db:create

$ rails db:migrate

$ rails test

$ rails db:seed

$ rails server

$ git init 

$ git add -A 
$ git commit -m "first commit"
$ git branch -M main
$ git remote add origin https://github.com/ユーザー名/teptep-1.git
$ git push -u origin main

$ heroku create teptep-1