Continuous Delivery

“When you can spin up an application in any environment in your ecosystem with any version of your application code — on demand — that is continuous delivery.” - Eric Shamow

Ref: https://puppetlabs.com/blog/build-a-toolbox-for-continuous-delivery 

Useful Tools you may need:

Version control

Git,

Subversion,

Perforce

Mercurial.

Code review

Gitlab

Stash

Gerrit

Configuration  Management

Chef

Puppet

Ansible

Salt

Cobbler

CFEngine

Metrics/Measurement

Graphite

Logstash

Nagios

Splunk.

Jenkins

Atlassian Bambo
Zabbix - Monitoring Platform

Release and Deployment

Jenkins

Capistrano

Bamboo

Puppet