Ansible and Chef are tools that provision your servers. Wercker is a continuous delivery platform that tests, builds and deploys your applications. All of this packaged in an easy to use interface where you can also collaborate with others.
You can leverage tools such as Ansible, Puppet and Chef on wercker to create the environment (a wercker box) that mimics your production system, again to build, test and deploy your app, keeping dev/prod parity in true 12factor fashion:
You can leverage tools such as Ansible, Puppet and Chef on wercker to create the environment (a wercker box) that mimics your production system, again to build, test and deploy your app, keeping dev/prod parity in true 12factor fashion:
http://12factor.net/dev-prod-parity
We've written up a post on provisioning wercker boxes which you can deploy to the wercker directory (http://app.wercker.com/#explore) here:
http://blog.wercker.com/2013/08/21/Overview-of-provisioning-...
Feel free to contact me if you have any questions!
cheers