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In blue–green deployments, two servers are maintained: a "blue" server and a "green" server. At any given time, only one server is handling requests (e.g., being pointed to by the DNS ). For example, public requests may be routed to the blue server, making it the production server and the green server the staging server, which can only be ...
This also meant that typically, deployment schedules were now determined by the software supplier, not by the customers. Such flexibility led to the rise of continuous delivery as a viable option, especially for less risky web applications. Other options for software deployment include blue–green deployment and canary release deployment.
In software deployment, an environment or tier is a computer system or set of systems in which a computer program or software component is deployed and executed. In simple cases, such as developing and immediately executing a program on the same machine, there may be a single environment, but in industrial use, the development environment (where changes are originally made) and production ...
Thus, simply changing the labels of the pods or changing the label selectors on the service can be used to control which pods get traffic and which don't, which can be used to support various deployment patterns like blue–green deployments or A/B testing. This capability to dynamically control how services utilize implementing resources ...
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Blue–green deployment; C. Code on demand; Commercial software; Computer appliance; ... Software deployment; List of software package management systems; Software ...
Push On Green is a process for automatically updating production software systems in a safe and controlled manner. Push on green processes are intended to keep production systems up and running with minimal manual effort and minimal user-visible downtime .
Continuous deployment contrasts with continuous delivery (also abbreviated CD), a similar approach in which software functionalities are also frequently delivered and deemed to be potentially capable of being deployed, but are actually not deployed. [4]