diff --git a/.gitignore b/.gitignore
index d752ad4..160c8ab 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,6 +24,7 @@
 
 # Ignore master key for decrypting credentials and more.
 /config/master.key
+/config/database.yml
 /public/packs
 /public/packs-test
 /node_modules
diff --git a/config/database.yml b/config/database.example.yml
similarity index 97%
rename from config/database.yml
rename to config/database.example.yml
index edd8045..bf6a2f7 100644
--- a/config/database.yml
+++ b/config/database.example.yml
@@ -27,6 +27,7 @@ development:
 test:
   <<: *default
   database: chexpire_test
+  url: <%= ENV['DATABASE_URL'] %>
 
 # As with config/secrets.yml, you never want to store sensitive information,
 # like your database password, in your source code. If your source code is