Use release script when deploying with containers (#1002)

Author: JulianPasquale

bin/release.sh

@@ -1,4 +1,4 @@
 #!/usr/bin/env bash
 
-bundle exec rails db:migrate
-bundle exec rails feature_flags:initialize
+echo "Running release script" &&
+  bundle exec rails feature_flags:initialize

heroku.yml

@@ -11,3 +11,7 @@ run:
     command:
       - bundle exec rails jobs:work
     image: web
+release:
+  image: web
+  command:
+    - ./bin/release.sh