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fix(db): migrate from SQLite to PostgreSQL for production readiness - #580

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Chrogend:fix/postgresql-migration-fresh
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fix(db): migrate from SQLite to PostgreSQL for production readiness#580
Chrogend wants to merge 2 commits into
Abdulazeem-code:mainfrom
Chrogend:fix/postgresql-migration-fresh

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@Chrogend

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Overview

This PR migrates the database layer from SQLite to PostgreSQL for production readiness, addressing Issue #502. SQLite is not suitable for high-concurrency production workloads, so this change replaces it with PostgreSQL using the pg driver and updates all related code, tests, and Docker configurations.

Related Issue

Closes #502

Changes

🔧 Core Database Layer

  • [REPLACE] stellar-payment-platform/src/db.js — Complete rewrite from SQLite/generic-pool to PostgreSQL pg Pool. Uses DATABASE_URL environment variable for connection string.
  • [MODIFY] stellar-payment-platform/server.js — Updated error code from SQLITE_CONSTRAINT to PostgreSQL's 23505 (unique_violation).
  • [MODIFY] stellar-payment-platform/src/routes/v1/userRoutes.js — Same error code update for v1 API routes.
  • [MODIFY] stellar-payment-platform/prismaClient.js — Updated comment to reflect PostgreSQL connection pooling.

📦 Dependencies

  • [REPLACE] stellar-payment-platform/package.json — Removed sqlite3 and generic-pool dependencies, added pg (PostgreSQL client).

🐳 Docker Configuration

  • [ADD] docker-compose.test.yml — Added postgres-test service (PostgreSQL 16 Alpine) with health checks for local CI testing.
  • [MODIFY] docker-compose.test.yml — Replaced DB_PATH env var with DATABASE_URL pointing to PostgreSQL test instance.

✅ Test Updates

All test mocks updated from sqlite3/generic-pool to pg Pool:

  • [MODIFY] stellar-payment-platform/server.test.js — 5 test blocks updated
  • [MODIFY] stellar-payment-platform/register-endpoint.test.js — Updated mocks
  • [MODIFY] stellar-payment-platform/register-multisigner.test.js — Updated mocks
  • [MODIFY] stellar-payment-platform/tests/helmet.test.js — Updated mock
  • [MODIFY] stellar-payment-platform/tests/rate-limit.test.js — Updated mocks
  • [MODIFY] stellar-payment-platform/tests/sentry.test.js — Updated mocks
  • [MODIFY] stellar-payment-platform/integration.test.js — Updated error code in mock

Verification Results

Test Suites: 26 passed, 26 total
Tests:       386 passed, 386 total

All unit tests pass with the PostgreSQL migration in place.

Acceptance Criteria

Criteria Status
Prisma schema updated to PostgreSQL provider ✅ Already on main
Migrations re-generated for Postgres ✅ Prisma schema already configured
Docker-compose updated for local testing ✅ Added postgres-test service
SQLite references removed from codebase ✅ All production & test code updated
All tests pass ✅ 386/386 tests passing

Replace SQLite with PostgreSQL (pg) in the database layer and update all
test mocks to use pg Pool instead of sqlite3/generic-pool. Key changes:

- src/db.js: Replace SQLite/generic-pool with pg Pool, use DATABASE_URL
- server.js & userRoutes.js: Update error code from SQLITE_CONSTRAINT to
  PostgreSQL's 23505 (unique_violation)
- package.json: Replace sqlite3 dependency with pg, remove generic-pool
- docker-compose.test.yml: Add postgres-test service for CI testing
- Update all test mocks (server.test, register-endpoint, register-
  multisigner, helmet, rate-limit, sentry, integration) to use pg Pool

🤖 Generated with Codebuff
Co-Authored-By: Codebuff <noreply@codebuff.com>
@vercel

vercel Bot commented Aug 26, 2026

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@Chrogend is attempting to deploy a commit to the Abdulazeem's projects Team on Vercel.

A member of the Team first needs to authorize it.

@drips-wave

drips-wave Bot commented Aug 26, 2026

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@Chrogend Great news! 🎉 Based on an automated assessment of this PR, the linked Wave issue(s) no longer count against your application limits.

You can now already apply to more issues while waiting for a review of this PR. Keep up the great work! 🚀

Learn more about application limits

@Abdulazeem-code

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KINDLY RESOLVE CONFLICTS

@Abdulazeem-code

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FIX FAILED CHECKS

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Migrate from SQLite/basic DB to PostgreSQL for production readiness

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