docs(docs): align PostgreSQL quickstart prisma.config.ts with init output

[nielskaspers]

Summary

Updates the prisma.config.ts snippet in the PostgreSQL quickstart so it matches what npx prisma init --datasource-provider postgresql --output ../generated/prisma actually generates today.

Issue

Closes #7818

Changes

• apps/docs/content/docs/(index)/prisma-orm/quickstart/postgresql.mdx:
  • Add the two leading // This file was generated by Prisma... comments emitted by prisma init
  • Drop the env named import from prisma/config (no longer included)
  • Use process.env["DATABASE_URL"] instead of env("DATABASE_URL")

Notes

The same prisma.config.ts block appears in the other quickstart pages (sqlite, mysql, mongodb, sql-server, planetscale, cockroachdb, prisma-postgres). Happy to extend the PR to those files in a follow-up commit if maintainers prefer — kept this one scoped to the file referenced in the issue.

Testing

Docs-only change. Snippet content compared against the output of prisma init reported by the issue author.

Summary by CodeRabbit

• Documentation
  • Updated PostgreSQL quickstart guide with streamlined configuration examples and clarified dependency requirements.

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[coderabbitai]

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ℹ️ Recent review info

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📥 Commits

Reviewing files that changed from the base of the PR and between 86e9c4d and 06e8819.

📒 Files selected for processing (1)

• apps/docs/content/docs/(index)/prisma-orm/quickstart/postgresql.mdx

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Walkthrough

Documentation example for prisma.config.ts in the PostgreSQL quickstart guide is updated to replace Prisma's env() helper with direct process.env["DATABASE_URL"] reference and add installation requirement comments, aligning the docs with the actual output of the prisma init command.

Changes

Cohort / File(s)	Summary
PostgreSQL Quickstart Documentation apps/docs/content/docs/(index)/prisma-orm/quickstart/postgresql.mdx	Updated prisma.config.ts code example to use process.env["DATABASE_URL"] instead of env("DATABASE_URL"), removed the env import from prisma/config, and added a comment indicating that prisma and dotenv are expected dev dependencies.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related issues

• prisma init ... command generates different output, than what is shown in the docs #7818: This PR directly addresses the issue raised in #7818 by updating the PostgreSQL quickstart documentation to match the actual output that the prisma init command generates, eliminating the discrepancy between documented and generated configuration.

🚥 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 accurately and concisely describes the main change: updating the PostgreSQL quickstart documentation to align the prisma.config.ts example with the current output of the prisma init command.
Linked Issues check	✅ Passed	The PR successfully addresses all coding-related requirements from issue #7818: adds generated-file comments, removes the env import, and replaces env() calls with process.env[] access.
Out of Scope Changes check	✅ Passed	All changes are directly scoped to the stated objective of aligning the PostgreSQL quickstart documentation with actual prisma init output; no extraneous modifications are present.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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