Implement PostgreSQL Database Connection and Pool

[Baskarayelu]

Description

Add PostgreSQL as the primary database with connection pooling and health checks.

Requirements and context

• Must use a supported Node.js PostgreSQL client (e.g. pg or Prisma)
• Should configure connection pool size and timeouts
• Must expose health check for DB connectivity
• Should support migrations strategy
• Must be tested and documented

Suggested execution

1. Fork the repo and create a branch

git checkout -b feature/postgres-connection

2. Implement changes

   • Add DB module: src/db/index.ts
   • Add pool config and health check
   • Write comprehensive tests: src/db/index.test.ts
   • Add documentation: docs/database.md
   • Include JSDoc comments

3. Test and commit

   • Run tests
   • Cover connection, pool exhaustion, health
   • Include test output

Example commit message:

feat: add PostgreSQL connection and connection pool

Guidelines

• Minimum 95 percent test coverage
• Clear documentation
• Timeframe: 96 hours

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[Adedayo-Data]

@Adedayo-Data has applied to work on this issue as part of the Stellar Wave Program's 2nd wave.

HI Maintainer!

Can I work on this Issue? I am an experienced backend open-source contributor with experience implementing PostgresSQL Database connection. I would love to work on this for your project. I have read the task and would work within that requirement and produce the required output in due time

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Adedayo-Data to this issue.

[TheDEV111]

@TheDEV111 has applied to work on this issue as part of the Stellar Wave Program's 2nd wave.

Hi Maintainer, Pls let me work on this issue, I'll be swift and efficient

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[delfinacorr]

@delfinacorr has applied to work on this issue as part of the Stellar Wave Program's 2nd wave.

Hello! I am a Full Stack developer and I would love to work on this issue please. Thank you very much

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Congratulations, @delfinacorr! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on February 26, 2026.

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[zainabb-dev]

@zainabb-dev has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

Hey Champ, Can i get on this and get it done?

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[Caritajoe18]

@Caritajoe18 has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

hello @Baskarayelu
I have experience working with postgress. I would like to work on this issue and deliver on time. Kindly assign to me.

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[Thosine-01]

@Thosine-01 has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

Hi! I’d love to architect a robust PostgreSQL integration for your project. I have extensive experience building data-intensive Node.js backends where a stable, well-configured connection pool is the difference between a resilient system and a crashing one. I’ll start by developing a centralized src/db/index.ts module that manages the lifecycle of your database connections with industry-standard safety margins.

I will implement a comprehensive health-check utility and a migration strategy that treats your schema as code, ensuring every change is tracked and reversible. My plan includes writing rigorous tests to simulate pool exhaustion and connection timeouts, so your application knows exactly how to recover from database downtime. I’ll also provide clear JSDoc and Markdown documentation to make onboarding other developers a breeze

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Thosine-01 to this issue.

[OsejiFabian]

@OsejiFabian has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

I would like to work on this issue

ℹ️ Repo Maintainers: To accept this application, review their application or assign @OsejiFabian to this issue.