Blog: apply reviewed template to NestJS series parts 3-5

[vanrensbird]

What

Applies the editorial template Martin approved on part 2 (#8034) to the remaining three NestJS series posts. Martin reviewed and approved these three exact changes locally.

• Inline table of contents removed (the blog layout renders its own InlineTOC)
• Answer-first lead paragraphs with explicit series position
• FAQ sections as <Accordions type="single"> toggles; every answer states behavior verified live on prisma@7.8 / NestJS 11 (P2002 to 409 mapping, generated-client imports, migrate dev not regenerating the client, ClassSerializerInterceptor behavior, JWT 401 flows)
• Link conventions: first Prisma Postgres mention links to prisma.io/docs/postgres, later mentions de-linked; Wikipedia link removed in part 5

Content-only changes; no code samples were modified.

🤖 Generated with Claude Code

Summary by CodeRabbit

• Documentation
  • Updated three tutorial articles with clearer introductions and refreshed setup guidance.
  • Added new FAQ sections covering JWT auth flow, error handling, Prisma relations, and common troubleshooting questions.
  • Improved wording around password hashing, token validation, unique constraint errors, and related-record fetching.
  • Refined closing and “next steps” sections to better guide readers through the series.

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Project	Deployment	Actions	Updated (UTC)
blog	Ready	Preview, Comment	Jul 8, 2026 1:55pm
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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: 93f0aafa-9028-4b2c-b958-feabcfc4c5fd

📥 Commits

Reviewing files that changed from the base of the PR and between 04449e7 and 6a1bd1c.

📒 Files selected for processing (3)

• apps/blog/content/blog/nestjs-prisma-authentication-7D056s1s0k3l/index.mdx
• apps/blog/content/blog/nestjs-prisma-error-handling-7D056s1kOop2/index.mdx
• apps/blog/content/blog/nestjs-prisma-relational-data-7D056s1kOabc/index.mdx

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Walkthrough

Three NestJS/Prisma blog tutorial MDX pages were revised with updated introductory paragraphs, adjusted PostgreSQL prerequisite references, new "Frequently asked questions" accordion sections, and updated closing remarks. Several markdown links (Wikipedia, Prisma Postgres) were changed to plain text or updated URLs.

Changes

Tutorial content updates

Layer / File(s)	Summary
Authentication article: intro, prerequisites, FAQ, closing apps/blog/content/blog/nestjs-prisma-authentication-7D056s1s0k3l/index.mdx	Intro rewritten to summarize JWT auth components with updated verification versions, PostgreSQL bullet de-linked, bcrypt salting explanation de-linked, and a new FAQ section plus revised closing paragraph added.
Error-handling article: intro, prerequisites, FAQ, closing apps/blog/content/blog/nestjs-prisma-error-handling-7D056s1kOop2/index.mdx	Intro replaced with a two-level error-handling overview, PostgreSQL bullet de-duplicated, a new FAQ section added covering Prisma error codes and imports, and the closing Prisma Postgres reference de-linked.
Relational-data article: intro, prerequisites, FAQ, closing apps/blog/content/blog/nestjs-prisma-relational-data-7D056s1kOabc/index.mdx	Intro extended with relation-modeling and include explanation, PostgreSQL link URL updated, a new FAQ section added on relations/exclusion/migration behavior, and the closing "next part" paragraph expanded.

Estimated code review effort: 1 (Trivial) | ~5 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly matches the main change: applying the reviewed template across NestJS series parts 3-5.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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Build	Status	Details	Updated (UTC)
default (Inspect)	✅ No changes detected	-	Jul 8, 2026, 2:02 PM