diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index cc4a710..7280fce 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -14,6 +14,8 @@ $ bin/test
 $ bin/test_system
 ```
 
+You can optionally pass the path to a specific test.
+
 ## Running the dummy app
 
 ```bash
diff --git a/Procfile.dev b/Procfile.dev
new file mode 100644
index 0000000..e0126c7
--- /dev/null
+++ b/Procfile.dev
@@ -0,0 +1,2 @@
+web: bin/rails server -b '0.0.0.0' -p 3033
+js: yarn build --watch
diff --git a/bin/dev b/bin/dev
index 49b6fa9..490c0d9 100755
--- a/bin/dev
+++ b/bin/dev
@@ -1,2 +1,7 @@
 #!/usr/bin/env bash
-bin/rails s
+if ! gem list foreman -i --silent; then
+  echo "Installing foreman..."
+  gem install foreman
+fi
+
+exec foreman start -f Procfile.dev "$@"
diff --git a/bin/test b/bin/test
index 8f111f9..dcf6f8a 100755
--- a/bin/test
+++ b/bin/test
@@ -1,2 +1,8 @@
 #!/usr/bin/env bash
-bundle exec rake app:test
+yarn build
+
+if [ $# -eq 0 ]; then
+  bundle exec rake app:test
+else
+  bundle exec rails test "$@"
+fi
diff --git a/bin/test_system b/bin/test_system
index f42c610..4e600c3 100755
--- a/bin/test_system
+++ b/bin/test_system
@@ -1,2 +1,8 @@
 #!/usr/bin/env bash
-bundle exec rake app:test:system
+yarn build
+
+if [ $# -eq 0 ]; then
+  bundle exec rake app:test:system
+else
+  bundle exec rails test "$@"
+fi