Imperative vs. Declarative

Imperative Deployment vs. Declarative Desired State

Imperative (Procedural Flow): Focuses on the manual execution of a specific sequence of commands, requiring the operator to manage state transitions directly, which increases complexity and the risk of configuration drift.

Declarative (Desired-State Flow): Uses an automated orchestrator (a reconciliation loop) that continuously compares the actual system state with a predefined state definition document. It handles provisioning and updates automatically to ensure consistent, self-healing environments.

What Next?

Related Principles

• Imperative Deployments
• Declarative Desired State
• Cattle vs. Pets

Implementation Patterns with CDAF

• Imperative Deployment for pipeline constructs
• Declarative Release for implementation examples, which incorporate intermediary tools such Ansible Tower, Puppet Enterprise and Terraform Cloud