docs(ci): check a shared database with migration status before db migrate; close the client with db.close()

[wmadden-electric]

At a glance, the new CI step:

- name: Check staging before applying
  run: |
    npx prisma@latest migration status --to staging --db "$DATABASE_URL" --json > status.json
    jq -r 'select(.kind == "result") | .envelope.result.summary' status.json
    jq -e 'select(.kind == "result") | .envelope.diagnostics | length == 0' status.json > /dev/null \
      || { jq 'select(.kind == "result") | .envelope.diagnostics' status.json; exit 1; }
- name: Apply
  run: npx prisma@latest db migrate --to staging --db "$DATABASE_URL"

Decision

A pipeline that migrates a shared database runs migration status --to <ref> --db "$URL" --json before db migrate and fails on any entry in envelope.diagnostics. The exit code alone is not enough: the command exits 0 with a MIGRATION.MARKER_NOT_IN_HISTORY warning when the database was changed outside the migration system. This closes C11 and C12 from the ORM 8 docs audit (#8243), and the db.close() correction that the C9 re-scope found.

What changed

• GitHub Actions guide: new section 8, "Check a shared database before you migrate it". It defines contract state, marker, and ref in three sentences, shows migration ref set staging <migration directory>, says the ref has to be advanced in every later pull request, and adds a migrate-staging.yml workflow with migration check, the status check, and db migrate --to staging. The existing --json note now lists diagnostics among the envelope fields.
• migration status reference: the --json shape (result.summary, result.spaces[].migrations[].status, diagnostics[] with code, severity, summary), the exit-code rule, and the two-line check. The opening sentence now says what the target is by default, and "migration packages" became "migration directories".
• Applying a migration: the "Check before, preview, then apply" section gains the pipeline form of its three steps, with --to prod, and links to the workflow.
• Schema changes (C12): one paragraph on what db verify adds after migration check, and where migration status goes in the pipeline.
• Ten guides plus the guide-writing page: db.runtime().close() became db.close(). The source decides it: db.close() marks the client closed and ends the pool it owns; runtime.close() only closes the driver, so the client still looks open and a later query fails with a pool error instead of DRIVER.NOT_CONNECTED.

Verified

Every command was run with prisma 8.0.0-rc.15 and @prisma/orm-postgres 8.0.0-rc.11 against a local PostgreSQL 15:

Case	migration status --json	Exit code
One pending migration	summary: "1 pending ...", diagnostics: []	0
Up to date	summary: "Up to date", diagnostics: []	0
Marker not in on-disk history	diagnostics: [{ code: "MIGRATION.MARKER_NOT_IN_HISTORY", severity: "warn", ... }]	0
--to names a missing ref	error.code: "MIGRATION.REF_NOT_FOUND"	2
migration ref set staging migrations/app/<dir> (path form)	MIGRATION.REF_NOT_FOUND; only the bare directory name is accepted	2
db verify on a database behind the emitted contract	CONTRACT.MARKER_MISMATCH	non-zero

The jq -e line passes on the first two and exits 1 on the third. db migrate --to staging with a ref that was not advanced reports Already up to date and does not apply the newer migration, which is the sentence the guide now carries. The output is a single "kind": "result" line for migration status; the select(.kind == "result") stays because db migrate --json and the postgres commands do print progress events first. The workflow file itself was not run on GitHub.

Six cold reader rounds ran through .claude/skills/docs-reader-review. Each round's marks on the new text were fixed; the sixth round's remaining marks are pre-existing gaps outside this change, listed below.

Left for later (pre-existing, recorded here)

• cli/migration-status.mdx shows no sample output, and does not explain --space <id>, <dir>^, or ./path (C17). Every reader round asked for the output.
• The GitHub Actions page uses both prisma orm init and prisma init without saying how they differ, and prints contract space in command output without defining it. No page in the set defines contract space.
• MIGRATION.MARKER_NOT_IN_HISTORY (from migration status) and MIGRATION.MARKER_MISMATCH (from db migrate) describe one situation from two commands; no page says so.
• The prisma-8 skill's references/migration-review.md, both in prisma/orm at rc.11 and as shipped in @prisma/orm-postgres@8.0.0-rc.11, parses migration status --json as a bare object with a top-level diagnostics; the real shape is {"kind":"result","envelope":{...}}, so that snippet's s.diagnostics ?? [] is always empty and the check never fails a build. Worth a prisma/orm issue.

Alternatives considered

• Keep the CI advice only on the GitHub Actions page. Readers of the CLI reference and the migrations pages land there from search, so each now carries the same two-line check rather than a description of it.
• Fail the job with if [ "$(jq '... | length')" != "0" ]. Replaced with jq -e so the three pages show one identical check.
• Keep db verify in the staging workflow. Dropped, and the page says why: db verify compares against the emitted contract, and a staging ref may name an earlier state on purpose.

🤖 Generated with Claude Code

Summary by CodeRabbit

• Documentation
  • Expanded migration status guidance with JSON output, diagnostics, migration states, exit codes, and validation examples.
  • Clarified that migration status checks migration markers and history, while db verify detects out-of-band schema changes.
  • Added guidance for validating database contracts, diagnosing marker conflicts, and safely applying migrations in shared or production environments.
  • Updated database and deployment examples to use the current db.close() connection-shutdown API and clarified connection-handling recommendations.

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Walkthrough

The documentation updates clarify migration marker validation, diagnostics, database verification, and direct client shutdown APIs across database, deployment, framework, integration, and migration guides.

Changes

Migration documentation

Layer / File(s)	Summary
Migration status and validation guidance apps/docs/content/docs/cli/migration-status.mdx, apps/docs/content/docs/guides/database/schema-changes.mdx, apps/docs/content/docs/orm/migrations/applying-a-migration.mdx	The guides describe contract comparison, JSON diagnostics, marker validation, and db verify for out-of-band schema changes.
GitHub Actions migration workflow apps/docs/content/docs/guides/integrations/github-actions.mdx	The guide separates migration marker checks from live schema validation and documents marker-history conflict causes.
Client shutdown API references apps/docs/content/docs/guides/database/*, apps/docs/content/docs/guides/deployment/*, apps/docs/content/docs/guides/frameworks/solid-start.mdx, apps/docs/content/docs/guides/integrations/*, apps/docs/content/docs/guides/making-guides.mdx, apps/docs/content/docs/guides/switch-to-prisma-orm/*	Examples and warnings now use db.close() or the corresponding client close method instead of db.runtime().close(). Shared-client warnings remain in place.

Priority: ⬇️ Low

Estimated code review effort: 3 (Moderate) | ~25 minutes

Change: Other

Merge Risk: 🔵 Low · up to ddfb7

The GitHub Actions guide may still show an inconsistent JSON response example, which could mislead users implementing the migration safeguard. The change is low risk but should be confirmed or corrected before merge.

🚥 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 identifies both main changes: adding a shared-database migration status check in CI and replacing client shutdown calls with db.close().
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
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Inline comments:
In `@apps/docs/content/docs/guides/integrations/github-actions.mdx`:
- Line 357: Update the postgres create result example to match the documented
JSON envelope: include an empty diagnostics array when the CLI always emits that
field, or revise the surrounding description to specify the conditions under
which diagnostics is present.

In `@apps/docs/content/docs/orm/migrations/applying-a-migration.mdx`:
- Line 107: Revise the migration status documentation to describe only
migration-marker, migration-history, or contract-state conflicts, not full live
schema-drift detection. Clarify that out-of-band table or schema changes may not
produce diagnostics, and direct users to db verify for database-shape
validation, using --schema-only when marker validation is unnecessary and
--strict when extra schema elements should fail.

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