https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released/
Rails `5.2.2.1` requires `tmp` directory committed to git repository for CI to run successfully.
*.rbc
capybara-*.html
.rspec
-/log
-/tmp
/db/*.sqlite3
/db/*.sqlite3-journal
/public/system
rerun.txt
pickle-email-*.html
+# Ignore all logfiles and tempfiles.
+/log/*
+/tmp/*
+!/log/.keep
+!/tmp/.keep
+
# TODO Comment out this rule if you are OK with secrets being uploaded to the repo
config/initializers/secret_token.rb
config/master.key
# Ignore uploaded files in development
/storage/*
-!/storage/.keep
\ No newline at end of file
+!/storage/.keep