Pathwise

Manuals / CI/CD Pipelines / Chapter 11

E · Advanced Delivery · advanced · Week 8–9 · Chapter 11 of 12

Progressive delivery & pipeline as product

Canaries, blue-green, feature flags — reduce blast radius. Treat pipeline as product with owners and roadmap.

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Progressive delivery vocab

Canary: route 5% traffic to new version. Blue-green: switch all at once with instant rollback.

Progressive delivery vocabDrag stickies · tap for tips
Study mapDrag stickies · tap for tipsKeep it shortdrag · tap →Name the waitdrag · tap →Scope locatorsdrag · tap →Trace when stuckdrag · tap →One browser firstdrag · tap →Isolate statedrag · tap →Assert the UIdrag · tap →Retry wiselydrag · tap →Seed datadrag · tap →Close the loopdrag · tap →Keep it shortdrag · tap →Name the waitdrag · tap →Scope locatorsdrag · tap →Trace when stuckdrag · tap →One browser firstdrag · tap →Isolate statedrag · tap →Pathwise hackdrag · tap →Progressive delivedrag · tap →Try thisdrag · tap →Follow the dashed drag · tap →

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Compare in PROGRESSIVE.md — when each fits.

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Chapter learning outcomes
  • Canary vs blue-green
  • Feature flags intro
  • Pipeline metrics
  • DORA awareness

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Side quest

Interview answer

Explain blue-green vs canary in 60 seconds.