container and task_definition cannot create, if task is not exist when GitHub synchronized action occurs.
task is only created, when PRs were created.
if error occurs when PR was created, task is not created.
/usr/local/review_apps/releases/20170418014012/app/models/review_app_target.rb:16:in `delete': undefined method `stop' for nil:NilClass (NoMethodError)
from /usr/local/review_apps/releases/20170418014012/app/models/review_app_target.rb:22:in `update'
from /usr/local/review_apps/releases/20170418014012/app/models/pull_request/actions/synchronized.rb:3:in `handle'
container and task_definition cannot create, if task is not exist when GitHub synchronized action occurs.
task is only created, when PRs were created. if error occurs when PR was created, task is not created.