Explain the flow of building a software product until it reaches production.
💡 Model Answer
The flow typically follows a CI/CD pipeline: 1) Developers commit code to a shared repository. 2) A CI server automatically builds the code and runs unit tests. 3) If tests pass, the build is packaged into an artifact (e.g., Docker image). 4) The artifact is deployed to a staging environment where integration, performance, and UAT tests run. 5) Once all tests and approvals succeed, the same artifact is promoted to production. 6) Post‑deployment monitoring and logging ensure the system runs correctly. This flow reduces manual steps, catches defects early, and allows rapid, repeatable releases. Key decisions include choosing the CI tool (Jenkins, GitHub Actions), the deployment strategy (blue‑green, canary), and the monitoring stack.
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