Add staging env to config files for now

config/database.yml

@@ -18,9 +18,13 @@ test:
   username: tps_test
   password: tps_test
 
-production:
+production: &production
   <<: *default
   database: <%= ENV["DB_DATABASE"] %>
   host: <%= ENV["DB_HOST"] %>
   username: <%= ENV["DB_USERNAME"] %>
   password: <%= ENV["DB_PASSWORD"] %>
+
+# Alias for production
+staging:
+  <<: *production

config/secrets.yml

@@ -74,5 +74,9 @@ test:
 
 # Do not keep production secrets in the repository,
 # instead read values from the environment.
-production:
+production: &production
   <<: *defaults
+
+# Alias for production
+staging:
+  <<: *production