install yarn: https://yarnpkg.com/lang/en/docs/install/#debian-stable
install webpacker: rails webpacker:install
install other css/js things: yarn add bootstrap@4.3.1 jquery popper.js webpack
create the database: rails db:setup
export the google drive service account json file as an env variable: export SERVICE_ACCOUNT='{xxxxxxxx}' (also add it to bashrc)
start the server: rails server