5 posts found.
Part 1 — The Roles: Who Does What People often blur these three together. They are separate concerns: | Piece | What it actually is | Responsibility | | | | | | CI/CD | A practice…
One of the biggest deployment challenges is making sure the application behaves consistently across all environments while allowing environment-specific settings (like connection strings and API keys).
1. Keep Configuration Outside the Code (12 Factor App) Never hardcode environment specific values. Bad Good Store values in configuration files, environment variables, or a secret…
Delivered and acted upon are different claims
HTTP 200 means the request was accepted, not that anything happened.
GitHub showed green checkmarks for every webhook delivery — the initial ping and both pushes. Jenkins was receiving them and returning HTTP 200. No build ever started. Why Green in…
Build duration is a diagnostic signal
Sub-second failures are almost always configuration, not code.
Three builds in a row failed almost instantly. That duration is the clue. A real run clones a repository, installs dependencies and builds an image — it takes minutes. Half a secon…
Declarative pipelines compile before they run
Pipeline syntax errors do not fail a stage — they fail before stages exist.
My Jenkinsfile called emailtext instead of emailext , and was missing the commas between arguments. That was not an email bug. A declarative pipeline is compiled as Groovy before a…
Saidul Islam Rajib