fixing deployment issues wtih database migrations

.gitignore

@@ -100,9 +100,7 @@ config/initializers/secret_token.rb
 # We hope to avoid lots of extra commits when database schemas change in engines and get propagated into the app schema.rb.
 # if this becomes a problem we can un-ignore it.  We think rake db:migrate will just update this file based on the migration history and
 # it may not be needed except as a convenience.
-#
-# Nope, causes errors with stage deploy, get rid of it.
-# db/schema.rb
+db/schema.rb
 
 # Only include if you have production secrets in this file, which is no longer a Rails default
 # config/secrets.yml

config/deploy.rb

@@ -54,6 +54,10 @@
 set :passenger_log, "#{deploy_to}/passenger.log"
 set :passenger_port, "3000"
 
+# Run migrations on the app server, otherwise they only run on the db role server
+# See https://github.com/capistrano/rails/issues/78
+set :migration_role, :app
+
 TAG_REGEXP = /^[v\d\.]{3,}.*$/.freeze
 
 namespace :debug do