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INTERMEDIATE
Build pipelines that teams trust: fast feedback, repeatable builds, safe deployments, and debugging skills when the pipeline breaks.
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Goal: Understand what CI/CD automates and how it reduces risk in shipping software. The delivery pipeline (simple) CI/CD is not a tool. It is a set of automated checks + repeatable steps. CI (Continuous Integration) Focu…
Goal: Build pipelines that developers trust: fast feedback and stable results. Key principles fail fast (lint/unit tests early) deterministic builds (pin versions) cache smart (dependencies) keep stages small and clear a…
Goal: Create a workflow that is secure, repeatable, and deploy ready. A clean workflow structure Keep CI separate from deploy if possible. Key things to get right least privilege permissions secrets from GitHub Secrets (…
Goal: Find root causes fast when CI/CD fails. Debug checklist 1. Which step failed? 2. Is it deterministic or flaky? 3. Did dependencies change? 4. Is the environment different from local? 5. Does it fail only on main? T…
Goal: Build reproducible Docker images and tag them in a way that supports rollbacks. Multi stage builds (why) smaller final image faster builds fewer runtime dependencies Tagging strategy (simple and effective) Use: imm…
Goal: Release changes without taking production down. Patterns Rolling Update instances gradually. Simple, but can still cause partial outages. Blue/Green Two environments: blue = current green = new Switch traffic when…