Add shipit-engine benchmark

Shipit is very a vanilla Rails app, with class ERB templates
and a fairly common, Active Model Serializers based JSON API.

In addition, it supports sqlite3 natively and is jept up to
date with Rails, making it a good candidate for benchmarking.

Author: byroot

benchmarks.yml

@@ -25,6 +25,9 @@ liquid-render:
 lobsters:
   desc: test a wide variety of routes in the Lobste.rs Rails app
   category: headline
+shipit:
+  desc: test a wide variety of routes, both HTML and JSON API in the shipit Rails app
+  category: headline
 mail:
   desc: mail tests the Mail gem by repeatedly creating an email from a text file and converting it to a string for sending.
   category: headline

benchmarks/shipit/.gitattributes

@@ -0,0 +1,9 @@
+# See https://git-scm.com/docs/gitattributes for more about git attribute files.
+
+# Mark the database schema as having been generated.
+db/schema.rb linguist-generated
+
+# Mark any vendored files as having been vendored.
+vendor/* linguist-vendored
+config/credentials/*.yml.enc diff=rails_credentials
+config/credentials.yml.enc diff=rails_credentials

benchmarks/shipit/.gitignore

@@ -0,0 +1,36 @@
+# See https://help.github.com/articles/ignoring-files for more about ignoring files.
+#
+# Temporary files generated by your text editor or operating system
+# belong in git's global ignore instead:
+# `$XDG_CONFIG_HOME/git/ignore` or `~/.config/git/ignore`
+
+data/
+
+# Ignore bundler config.
+/.bundle
+
+# Ignore all environment files.
+/.env*
+
+# Ignore all logfiles and tempfiles.
+/log/*
+/tmp/*
+!/log/.keep
+!/tmp/.keep
+
+# Ignore pidfiles, but keep the directory.
+/tmp/pids/*
+!/tmp/pids/
+!/tmp/pids/.keep
+
+# Ignore storage (uploaded files in development and any SQLite databases).
+/storage/*
+!/storage/.keep
+/tmp/storage/*
+!/tmp/storage/
+!/tmp/storage/.keep
+
+/public/assets
+
+# Ignore master key for decrypting credentials and more.
+/config/master.key

benchmarks/shipit/Gemfile

@@ -0,0 +1,15 @@
+source "https://rubygems.org"
+
+# Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
+gem "rails", "~> 8.0.2"
+# Use sqlite3 as the database for Active Record
+gem "sqlite3", ">= 2.1"
+# Use the Puma web server [https://github.com/puma/puma]
+gem "puma", ">= 5.0"
+
+# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
+gem "tzinfo-data", platforms: %i[ windows jruby ]
+
+# Reduces boot times through caching; required in config/boot.rb
+gem "bootsnap", require: false
+gem "shipit-engine", ">= 0.40.0"