Greetings,

Today, Puppet Labs released Trapperkeeper[1] v1.2.0. It contains a single 
new feature: support for optional service dependencies.

Previously, referencing a service from another service created a hard 
dependency on it. Trapperkeeper would not start unless every service 
mentioned as dependency was included in bootstrap.cfg.

Now, services can be marked as optional, and the Service protocol defines 
functions for checking to see if optional dependencies have been included 
or not.

For more detail, check out our documentation[2].

---
[1] Trapperkeeper ( https://github.com/puppetlabs/trapperkeeper ) is a 
Clojure framework for hosting long-running applications and services. You 
can think of it as a sort of "binder" for Ring applications and other 
modular bits of Clojure code.
[2] 
https://github.com/puppetlabs/trapperkeeper/wiki/Defining-Services#optional-services

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