diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..6909b16
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,34 @@
+name: CI
+
+on: 
+  push:
+  pull_request:
+    types: [opened]
+
+jobs:
+  sunstone:
+    name: Condenser/Rails Test
+    runs-on: ubuntu-22.04
+    strategy:
+      matrix:
+        rails-version:
+          - 6.1.7
+          - 7.0.8
+          - 7.1.2
+        ruby-version:
+          - 3.0
+          - 3.1
+          - 3.2
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - run: |
+          echo 'gem "rails", "${{ matrix.rails-version }}"' >> Gemfile
+
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby-version }}
+          bundler-cache: true # runs 'bundle install' and caches installed gems automatically
+
+      - run: bundle exec rake test
diff --git a/lib/condenser/railtie.rb b/lib/condenser/railtie.rb
index 30238dd..1e22d8f 100644
--- a/lib/condenser/railtie.rb
+++ b/lib/condenser/railtie.rb
@@ -60,6 +60,7 @@ def pipeline(&block)
   
   config.assets = OrderedOptions.new
   config.assets._blocks     = []
+  config.assets._pipeline   = nil
   config.assets.path        = []
   config.assets.precompile  = %w(application.css application.js **/*.jpg **/*.png **/*.gif)
   config.assets.prefix      = "/assets"
@@ -122,7 +123,7 @@ def build_environment(app, initialized = nil)
     config = app.config
 
     if config.assets._pipeline
-
+      config.assets._pipeline.call(env)
     else
       env.register_transformer  'text/scss', 'text/css', Condenser::ScssTransformer.new
 
diff --git a/test/railtie_test.rb b/test/railtie_test.rb
index eb12b0f..2ddd378 100644
--- a/test/railtie_test.rb
+++ b/test/railtie_test.rb
@@ -336,6 +336,49 @@ def test_direct_build_environment_call
     assert_includes env.path, @rails_root.join("stylesheets").to_s
   end
 
+  def test_defining_an_empty_pipeline
+    FileUtils.mkdir_p(File.join(@rails_root, "javascripts"))
+    FileUtils.mkdir_p(File.join(@rails_root, "stylesheets"))
+    
+    app.configure do
+      config.assets.pipeline do |condenser|
+      end
+    end
+    app.initialize!
+
+    assert env = app.assets
+    assert_equal env.templates, {"application/erb"=>Condenser::Erubi, "application/ejs"=>Condenser::EjsTemplate}
+    assert_equal env.preprocessors, {}
+    assert_equal env.transformers, {"text/scss"=>{"text/css"=>Condenser::ScssTransformer}, "application/jst"=>{"application/javascript"=>Condenser::JstTransformer}, "image/svg+xml"=>{"application/javascript"=>Condenser::SVGTransformer}}
+    assert_equal env.postprocessors, {}
+    assert_equal env.minifiers, {}
+    assert_equal env.exporters, {}
+  end
+  
+  def test_defining_a_pipeline
+    FileUtils.mkdir_p(File.join(@rails_root, "javascripts"))
+    FileUtils.mkdir_p(File.join(@rails_root, "stylesheets"))
+    
+    app.configure do
+      config.assets.pipeline do |condenser|
+        condenser.register_preprocessor('application/javascript', Condenser::JSAnalyzer)
+        condenser.register_postprocessor('text/css', ::Condenser::CSSMediaCombinerProcessor)
+        condenser.register_minifier('application/javascript', Condenser::TerserMinifier)
+        condenser.register_writer Condenser::ZlibWriter.new
+      end
+    end
+    app.initialize!
+
+    assert env = app.assets
+    assert_equal env.templates, {"application/erb"=>Condenser::Erubi, "application/ejs"=>Condenser::EjsTemplate}
+    assert_equal env.preprocessors, {"application/javascript"=>[Condenser::JSAnalyzer]}
+    assert_equal env.transformers, {"text/scss"=>{"text/css"=>Condenser::ScssTransformer}, "application/jst"=>{"application/javascript"=>Condenser::JstTransformer}, "image/svg+xml"=>{"application/javascript"=>Condenser::SVGTransformer}}
+    assert_equal env.postprocessors, {"text/css"=>[Condenser::CSSMediaCombinerProcessor]}
+    assert_equal env.minifiers, {"application/javascript"=>Condenser::TerserMinifier}
+    assert_equal env.exporters, {}
+  end
+
+
   # def test_quiet_assets_defaults_to_off
   #   app.initialize!
   #   app.load_tasks