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docs: clarify database and hosting choices in project skills - #363

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@gregory-boch-prisma gregory-boch-prisma commented Oct 22, 2026 •

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The platform skill copied by prisma init explains when to use a temporary standalone database and what a Composer app needs before deploying to Prisma Compute.

  • Preserve the project's existing database and hosting choices, and scope the Composer dependency example to apps intended for Prisma Compute.
  • Use npx create-db@latest when the user has no Prisma account or project yet. Explain its 24-hour lifetime and the Prisma account required to claim it for free. Existing platform projects use the postgres group or declare the database in their module.
  • State the Composer configuration, build, and first-project region prerequisites for deployment.

The maintainer chose @latest so the guide follows new create-db releases. The product documentation records the boundary: database and hosting guidance belongs in the copied skill; init does not suggest products in its output or provision resources. Runtime behavior and skill installation settings are unchanged.

Supersedes prisma/orm#30831.

Validation

Current head 3e580de471404d541c2e1c6f8f4431ad99c9468e, checked 2026-10-23:

  • All 16 GitHub checks/statuses pass, including typecheck, lint, skill packaging, unit tests on Linux and Windows, real-API e2e, CodeQL, and CodeRabbit.
  • CodeRabbit reviewed this head with no new actionable comments; zero unresolved review threads.

Earlier local verification, before the maintainer's final wording changes, passed typecheck, lint, 1,039 CLI tests, skill packaging, and 5 shipped-binary init e2e tests. A disposable project received the edited skill byte-for-byte in all four agent directories. The earlier full serialized suite had 2,336 passes, 1 skip, and an unchanged CLI-engine consent re-prompt test timing out locally. Current-head CI passes.

Sources checked 2026-10-22

Keep database and hosting guidance in the platform skill synced by prisma
init. Preserve existing providers, explain standalone temporary databases,
and document Composer deployment prerequisites.

Typecheck, lint, CLI tests, skill packaging, and init e2e pass. The full
serialized suite has one timeout in the unchanged CLI-engine consent
re-prompt test; the same timeout reproduces in isolation.
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Reviewing files that changed from the base of the PR and between 92829a3 and 3e580de.

📒 Files selected for processing: 2
  • docs/product/command-principles.md
  • skills/prisma-platform-core-concepts/SKILL.md

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Summary by CodeRabbit

  • Documentation
    • Clarified that initialization copies the installed platform guidance into configured agent directories, separates local setup from database provisioning and deployment, and does not suggest products or provision resources.
    • Documented creating standalone Prisma Postgres databases without an account, including how to claim them before automatic deletion after 24 hours. For existing platform projects, databases can instead be created through the postgres group or declared in the module.
    • Expanded Prisma Compute guidance with Composer setup, dependency installation and build prerequisites, and region selection for new projects.

Walkthrough

The documentation now describes what prisma init copies and clarifies that it does not provision resources or prepare an app for deployment. It adds Composer deployment prerequisites, including configuration, a build, and a region for new projects. It also documents how to create a temporary standalone Prisma Postgres database, its 24-hour deletion period, and the claim process.

Priority: ⬇️ Low

Merge Risk: 🔵 Low · up to 3e580

The setup guidance is otherwise accurate, but its mutable package tag leaves a narrow supply-chain risk; pinning the release is advisable before merge.

Pre-merge checks: Passed 5
Check name Status Explanation
Title check Passed The title clearly summarizes the main change: clarifying database and hosting choices in the project skills and related documentation.
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.
Out of Scope Changes check Passed Check skipped because no linked issues were found for this pull request.
Description check Passed The description states the PR's purpose: the platform skill copied by prisma init now covers when to use a temporary standalone database (npx create-db@latest, its 24-hour lifetime, and claiming w…
Full details: Docstring Coverage

Explanation

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 files. (2 skipped: 2 unsupported.)

Full details: Description check

Explanation

The description states the PR's purpose: the platform skill copied by prisma init now covers when to use a temporary standalone database (npx create-db@latest, its 24-hour lifetime, and claiming with a Prisma account), scopes the Composer dependency example to Prisma Compute apps, and adds Composer configuration, build, and region prerequisites. This matches the raw summary of the SKILL.md and command-principles.md changes. It is specific and related to the changeset, so it is not vague or off-topic.

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npx https://pkg.pr.new/@prisma/cli@363
npx https://pkg.pr.new/@prisma/cli-engine@363

commit: 3e580de

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Actionable comments posted: 1


  • 🪄 Fix comments: Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @skills/prisma-platform-core-concepts/SKILL.md:
- Line 283: Pin the `create-db` package version in the `npx` command by
replacing `@latest` with the exact release tested for this guidance; update the
pin intentionally when changing releases.

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  • docs/product/command-principles.md
  • skills/prisma-platform-core-concepts/SKILL.md

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Comment thread skills/prisma-platform-core-concepts/SKILL.md Outdated
The skill offered two ways to make a standalone database without saying
which to pick. It now says create-db is for users with no Prisma account
or project yet, and that a platform project creates its database with
the postgres group or declares it in the module.

The pinned create-db version would have shipped unchanged in every prisma
release; the skill now runs create-db@latest.

The init section of the command principles keeps only the rule: init
does not suggest products in its output or provision resources.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Signed-off-by: willbot <w.a.madden+machine@gmail.com>
Signed-off-by: Will Madden <madden@prisma.io>
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3 participants