unit states

pending

Is when the unit is waiting to be provisioned by the tsuru provisioner.

bulding

Is while the unit is provisioned, it’s occurs while a deploy.

error

Is when the an error occurs caused by the application code.

down

Is when an error occurs caused by tsuru internal problems.

unreachable

Is when the app process is up but it is not binded in the right host (“0.0.0.0”) and right port ($PORT). If your process is a worker it’s state will be unreachable.

started

Is when the app process is up binded in the right host (“0.0.0.0”) and right port ($PORT).