CI/CD

TL;DR: CI/CD automates software delivery so code changes are verified, packaged, and progressively deployed with minimal human intervention.

CI/CD (continuous integration and continuous delivery) replaces repetitive human handoffs with predictable, automated guardrails from commit to production, reducing human error while keeping changes controlled and repeatable.

A well-designed pipeline progressively verifies, packages, deploys, and observes each change: automated tests validate the code, immutable artifacts are built and stored, deployments move through environments, and strategies such as canary or blue-green releases limit the blast radius.

The goal is to make deployment predictable and observable, ensuring every change is validated before reaching users.

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