See if we get results with this CI setup

.github/workflows/main.yml

@@ -10,14 +10,26 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-    name: Ruby ${{ matrix.ruby }}
-    env:
-      RAILS_ENV: test
     strategy:
+      fail-fast: false
       matrix:
+        rails:
+          - "8.0"
+          - "7.2"
+          - "main"
         ruby:
-          - '3.1'
-          - '3.3'
+          - "3.1"
+          - "3.3"
+        exclude:
+          - rails: "7.2"
+            ruby: "3.1"
+
+    env:
+      RAILS_ENV: test
+      RAILS_VERSION: ${{ matrix.rails }}
+      BUNDLE_GEMFILE: ""
+
+    name: ${{ format('Tests rails@{0} ruby@{1}', matrix.rails, matrix.ruby) }}
 
     steps:
     - uses: actions/checkout@v4

Gemfile

@@ -9,8 +9,16 @@ gem "rake", "~> 13.0"
 
 gem "minitest", "~> 5.0"
 
-gem "rails"
-gem "activerecord"
+rails_version = ENV.fetch("RAILS_VERSION", "8.0")
+
+rails_constraint = if rails_version == "main"
+  {github: "rails/rails"}
+else
+  "~> #{rails_version}.0"
+end
+
+gem "rails", rails_constraint
+
 gem "sqlite3"
 gem "sqlite-ulid", require: "sqlite_ulid"
 

Gemfile.lock

@@ -193,11 +193,10 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
-  activerecord
   minitest (~> 5.0)
   net-pop!
   oaken!
-  rails
+  rails (~> 8.0.0)
   rake (~> 13.0)
   sqlite-ulid
   sqlite3