rails new

THOR_MERGE=vimdiff bundle exec rails new -d mysql --skip-action-mailbox
  --skip-action-text --skip-active-job --skip-active-storage
  --skip-action-cable --skip-hotwire --skip-jbuilder --skip-bootsnap
  --skip-bundle .

db/seeds.rb

@@ -0,0 +1,7 @@
+# This file should contain all the record creation needed to seed the database with its default values.
+# The data can then be loaded with the bin/rails db:seed command (or created alongside the database with db:setup).
+#
+# Examples:
+#
+#   movies = Movie.create([{ name: "Star Wars" }, { name: "Lord of the Rings" }])
+#   Character.create(name: "Luke", movie: movies.first)