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"It works on staging" is one of the most dangerous phrases in software. The timeout is 5 seconds in dev, 30 seconds in prod. The cache TTL is different. The database pool size is different. The feature flag is on in staging but off in prod. Config drift makes every deployment a gamble.

Harden container images with multi-stage builds, distroless images, non-root users, vulnerability scanning (Trivy), SBOM generation (Syft), image signing (Cosign), and admission controllers to block unsigned images.

Build secure containers with non-root users, distroless base images, multi-stage builds, and runtime security. Learn seccomp profiles, image scanning, SBOM generation.

Strategies for updating LLMs with new data including knowledge cutoff solutions, fine-tuning approaches, elastic weight consolidation, experience replay, and RAG alternatives.

Architect multi-turn conversation systems with context windows, memory management, and topic tracking.