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Lessons (4)

• Deploying & Operating Microservices

  CI/CD per service, blue-green and canary releases, feature flags, API versioning, distributed tracing and the production …

• Releases, Observability and Production Safety

  … svg) Tool Purpose --- --- Rolling rollout Replace instances gradually Blue-green Switch between two complete environments Canary Expose a …

• TypeScript Essentials

  … return "blue"; case "success": return "green"; case "error": return "red"; } } badgeColor("pending"); // ❌ not a valid Status: typo caught …

• Finding Service Boundaries with DDD

  … Ordering (blue), Payments (yellow), Fulfilment (green). Key takeaways - One word can mean different things in different parts of …