Continuous Integration (CI): Automatically integrating code changes from multiple developers into a shared repository multiple times per day. Each integration triggers automated builds and tests.
Continuous Delivery (CD): Extends CI by ensuring code changes are automatically prepared for production release. Code is always in a deployable state, but deployment to production requires manual approval.
Continuous Deployment: Takes Continuous Delivery further by automatically deploying every change that passes the automated pipeline to production without manual intervention. Example Pipeline Flow:
Code Commit → CI (Build + Test) → CD (Staging Deploy) → Manual Approval → Production Deploy
Rewriting in plainer words…
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