Document the connection limit bump

[Fabcien]

And hint at an appropriated production value.
This is self-documenting that the default value from Prisma might not be enough for a production server.

Summary by CodeRabbit

• Chores
  • Updated database configuration to enforce a maximum connection limit of 50 across primary and replica database instances.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: c5b90e6b-3a4c-46b5-a182-83a7fb2696d7

📥 Commits

Reviewing files that changed from the base of the PR and between a30d6af and b7f461c.

📒 Files selected for processing (1)

• .env

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📝 Walkthrough

Walkthrough

Added a new environment variable MAIN_DB_CONNECTION_LIMIT set to 50 and updated both DATABASE_URL and SHADOW_DATABASE_URL to include this connection limit parameter in their MySQL DSN configuration strings.

Changes

Cohort / File(s)	Summary
Environment Configuration .env	Added MAIN_DB_CONNECTION_LIMIT variable and appended &connection_limit=$MAIN_DB_CONNECTION_LIMIT parameter to both DATABASE_URL and SHADOW_DATABASE_URL for MySQL connection pooling.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐰 A limit so neat, fifty connections strong,
Database pools now thrive all day long,
Shadow and main, now perfectly paired,
With connection care, the load is well-shared! ✨

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Description check	❓ Inconclusive	The description lacks required template sections. It's missing 'Related to #' issue reference and 'Test plan' section, though it does briefly explain the intent.	Add the issue number in 'Related to #' section and include a 'Test plan' describing how the connection limit change was validated.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately reflects the main change: adding documentation about a database connection limit increase with a production-appropriate value.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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