Duck Cloud Blog

Practical guides for Duck Cloud tools, security, and workflows

Tutorials, SEO-friendly explainers, and step-by-step articles that link directly to the tools they describe.

Data Engineering

Safe AI-Assisted Database Migrations: An Expand-and-Contract Plan

Review AI-assisted database migrations with expand-and-contract changes, realistic rehearsal, lock checks, and a recovery plan before touching production data.

Oct 3, 2026

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AI Engineering

Acceptance Tests for AI-Generated Code That Catch Real Failures

Review AI-generated code with acceptance tests, boundary cases, security checks, and independent fixtures instead of trusting a convincing explanation.

Oct 3, 2026

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AI Engineering

AI Agent Cost Controls: Stop Runaway Loops Before the Bill Grows

Set AI agent budgets with call limits, token ceilings, tool quotas, and clear stop conditions so a failed task cannot quietly become an expensive loop.

Oct 3, 2026

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AI Engineering

How to Evaluate RAG Retrieval Before Tuning the Model

Evaluate RAG retrieval with a small evidence set, useful metrics, permission checks, and failure analysis before spending more on a larger language model.

Oct 3, 2026

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Resilience and Recovery

Configuration Drift Detection with JSON, YAML, and Text Diffs

Detect unplanned configuration changes by normalizing data, separating secrets, comparing desired and actual state, and verifying remediation.

Sep 19, 2026

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Software Supply Chain

Dependency Confusion Attacks: How to Protect Private Packages

Prevent public packages from replacing internal dependencies with namespace controls, registry mapping, version policy, lockfiles, and build isolation.

Sep 19, 2026

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Software Supply Chain

Lockfile Integrity and Reproducible Dependency Installs

Use lockfiles safely with frozen installs, integrity hashes, reviewable diffs, trusted registries, clean builds, and controlled updates.

Sep 19, 2026

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Software Supply Chain

Software Bill of Materials Guide: Build and Use an SBOM

Create an actionable SBOM with component identity, versions, suppliers, relationships, hashes, licenses, provenance, and update workflows.

Sep 19, 2026

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Resilience and Recovery

Backup Restore Testing: Prove Your Data Can Recover

Design restore tests that verify integrity, keys, permissions, dependencies, performance, application behavior, and documented recovery steps.

Sep 19, 2026

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Resilience and Recovery

RTO vs RPO: Set Realistic Disaster-Recovery Targets

Define recovery time and recovery point objectives from business impact, dependencies, backup frequency, restoration capacity, and tested results.

Sep 19, 2026

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Web Performance

Web Cache Poisoning: Causes, Tests, and Prevention

Prevent attackers from storing harmful responses by aligning cache keys, host validation, forwarded headers, normalization, and cacheability rules.

Sep 19, 2026

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Web Performance

HTTP Cache-Control and ETag: A Practical Caching Guide

Choose Cache-Control directives, validators, freshness, revalidation, and variation rules for static assets, pages, and authenticated responses.

Sep 19, 2026

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