# Gas Stations Feature - Production Readiness Checklist

## Overview

Complete production readiness checklist for the Gas Stations feature. This document ensures all components are properly configured, tested, and validated before deployment to production.

## Pre-Deployment Checklist

### Configuration

- [ ] Google Cloud project created and configured
- [ ] Google Maps API key created with restrictions
- [ ] Places API enabled in Google Cloud
- [ ] Maps JavaScript API enabled in Google Cloud
- [ ] API quota limits configured (prevent unexpected costs)
- [ ] Billing alerts configured ($50, $100, $500 thresholds)
- [ ] Secrets file created: `./secrets/app/google-maps-api-key.txt`
- [ ] Secrets mounted in docker-compose.yml (backend + frontend)
- [ ] Environment variables configured (SECRETS_DIR=/run/secrets)
- [ ] Database connection string configured
- [ ] Redis connection configured
- [ ] JWT authentication configured (Auth0)

### Database

- [ ] PostgreSQL database accessible
- [ ] All migrations files present in `migrations/` directory
- [ ] Database backup taken before migration
- [ ] Migrations tested in staging environment
- [ ] Rollback procedure documented and tested
- [ ] Database indexes created (verified via \d station_cache, \d saved_stations)
- [ ] UNIQUE constraints in place (user_id + place_id)
- [ ] Soft delete pattern implemented (deleted_at column)

### Code Quality

- [ ] All linters passing: `npm run lint` (backend + frontend)
- [ ] All type checks passing: `npm run type-check` (backend + frontend)
- [ ] All unit tests passing (>80% coverage)
- [ ] All integration tests passing
- [ ] No console.log statements in production code
- [ ] No commented-out code
- [ ] No critical TODO comments
- [ ] Code reviewed by peer (if applicable)
- [ ] Security audit passed: `npm audit --production`

### Testing

- [ ] Unit tests written for service layer
- [ ] Unit tests written for repository layer
- [ ] Unit tests written for Google Maps client
- [ ] Integration tests written for all API endpoints
- [ ] User isolation tested (multiple users, data separation)
- [ ] Error scenarios tested (404, 500, circuit breaker)
- [ ] Performance benchmarks met (<1.5s search, <100ms CRUD)
- [ ] Load testing performed (optional but recommended)
- [ ] Manual testing on desktop browser
- [ ] Manual testing on mobile browser
- [ ] Manual testing with real Google Maps API key

### Security

- [ ] API key restricted by IP (backend)
- [ ] API key restricted by domain (frontend)
- [ ] API key restricted to required APIs only
- [ ] Secrets never logged in application
- [ ] Secrets not in environment variables
- [ ] Secrets not in Docker images
- [ ] SQL injection prevention (parameterized queries only)
- [ ] JWT validation enforced on all endpoints
- [ ] User data isolation validated (user_id filtering)
- [ ] CORS configured correctly
- [ ] Rate limiting considered (optional, for abuse prevention)

### Documentation

- [ ] Backend architecture documented
- [ ] API endpoints documented with examples
- [ ] Testing guide complete
- [ ] Google Maps setup guide complete
- [ ] Frontend components documented
- [ ] Deployment checklist complete
- [ ] Database migration guide complete
- [ ] Secrets verification guide complete
- [ ] Health checks guide complete
- [ ] Troubleshooting guide complete
- [ ] Main README.md updated with Gas Stations feature

## Deployment Checklist

### Pre-Deployment Tasks

- [ ] All pre-deployment checklist items completed
- [ ] Staging environment tested successfully
- [ ] Deployment window scheduled (maintenance window if needed)
- [ ] Rollback plan documented and tested
- [ ] Database backup taken
- [ ] Team notified of deployment
- [ ] Monitoring dashboard prepared

### Deployment Steps

1. [ ] Stop services: `docker compose down`
2. [ ] Pull latest code: `git pull origin main`
3. [ ] Install dependencies: `npm ci` (backend + frontend)
4. [ ] Run database migrations: `npm run migrate`
5. [ ] Verify migrations: Check tables and indexes exist
6. [ ] Configure secrets: Verify secret files mounted
7. [ ] Build containers: `make rebuild`
8. [ ] Start services: `docker compose up -d`
9. [ ] Verify all containers running: `docker compose ps`
10. [ ] Check container logs: `docker compose logs`
11. [ ] Wait for services to be ready (30-60 seconds)

### Post-Deployment Validation

#### Immediate Validation (within 5 minutes)

- [ ] Health endpoint responding: `curl https://motovaultpro.com/api/health`
- [ ] Backend logs show no errors: `docker compose logs mvp-backend | grep -i error`
- [ ] Frontend logs show no errors: `docker compose logs mvp-frontend | grep -i error`
- [ ] Database tables exist: `\dt station*`
- [ ] Redis connection working: `redis-cli ping`
- [ ] Secrets loaded in backend: Check logs for success message
- [ ] Frontend config.js generated: `cat /usr/share/nginx/html/config.js`

#### API Validation (within 15 minutes)

- [ ] GET /api/stations/saved responds (with JWT)
- [ ] POST /api/stations/search responds (with JWT, valid coordinates)
- [ ] POST /api/stations/save works (after search)
- [ ] PATCH /api/stations/saved/:id works
- [ ] DELETE /api/stations/saved/:id works
- [ ] Response times meet requirements (<1.5s search, <100ms CRUD)
- [ ] Error responses formatted correctly (401, 404, 500)

#### Frontend Validation (within 15 minutes)

- [ ] Frontend loads: https://motovaultpro.com
- [ ] No console errors in browser
- [ ] Config loads: `window.CONFIG.googleMapsApiKey` defined
- [ ] Stations page accessible
- [ ] Search form renders
- [ ] "Use Current Location" button works (geolocation permission)
- [ ] Search completes and displays results
- [ ] Map loads and displays markers
- [ ] Clicking marker shows station details
- [ ] Save button works
- [ ] Saved tab shows saved stations
- [ ] Mobile view works (responsive layout)

#### User Isolation Validation (within 30 minutes)

- [ ] User 1 can save stations
- [ ] User 2 cannot see User 1's saved stations
- [ ] User 2 can save their own stations
- [ ] Deleting User 1's station doesn't affect User 2

#### Performance Validation (within 30 minutes)

- [ ] Search response time: <1500ms (average of 10 requests)
- [ ] Save response time: <100ms
- [ ] Get saved response time: <100ms
- [ ] Delete response time: <100ms
- [ ] No memory leaks (check container memory after 100+ requests)
- [ ] No database connection leaks (check active connections)

#### External Services Validation (within 30 minutes)

- [ ] Google Maps API responding
- [ ] API usage appears in Google Cloud Console
- [ ] Circuit breaker not opening
- [ ] No quota exceeded errors
- [ ] Map displays correctly in browser
- [ ] Station markers clickable

## Post-Deployment Monitoring

### Hour 1 Monitoring

- [ ] Check logs every 15 minutes for errors
- [ ] Monitor API response times
- [ ] Verify no 500 errors
- [ ] Check Google Maps API usage
- [ ] Monitor database connections
- [ ] Monitor Redis memory

### Day 1 Monitoring

- [ ] Review logs for warnings/errors
- [ ] Check performance metrics
- [ ] Verify user adoption (if metrics available)
- [ ] Monitor Google Maps API costs
- [ ] Check for user-reported issues
- [ ] Verify circuit breaker not triggering

### Week 1 Monitoring

- [ ] Daily log review
- [ ] Performance trend analysis
- [ ] API usage trend analysis
- [ ] Database growth monitoring
- [ ] User feedback collection
- [ ] Cost analysis (Google Maps API)

## Rollback Criteria

Rollback immediately if:

- [ ] Health check fails consistently
- [ ] Backend container crashes repeatedly
- [ ] Database migrations fail
- [ ] >10% of API requests fail
- [ ] Response times >5 seconds consistently
- [ ] Google Maps API quota exceeded unexpectedly
- [ ] Circuit breaker opens >10 times in 1 hour
- [ ] Critical security vulnerability discovered
- [ ] User data integrity compromised

## Rollback Procedure

If rollback is needed:

1. [ ] Stop containers: `docker compose down`
2. [ ] Restore previous code: `git checkout <PREVIOUS_COMMIT>`
3. [ ] Restore database backup: `psql < backup_YYYYMMDD.sql`
4. [ ] Restore secrets backup (if rotated): `cp google-maps-api-key.txt.bak google-maps-api-key.txt`
5. [ ] Rebuild containers: `make rebuild`
6. [ ] Start services: `docker compose up -d`
7. [ ] Verify rollback successful: Run health checks
8. [ ] Notify team of rollback
9. [ ] Document rollback reason
10. [ ] Schedule post-mortem meeting

## Production Readiness Sign-Off

### Development Team

- [ ] Code complete and tested
- [ ] Documentation complete
- [ ] Peer review passed
- [ ] Unit tests passing
- [ ] Integration tests passing

**Signed**: _______________ Date: ___________

### QA Team (if applicable)

- [ ] Manual testing complete
- [ ] User acceptance testing passed
- [ ] Performance testing passed
- [ ] Security testing passed
- [ ] Browser compatibility tested

**Signed**: _______________ Date: ___________

### DevOps Team (if applicable)

- [ ] Infrastructure ready
- [ ] Secrets configured
- [ ] Monitoring configured
- [ ] Backup procedures in place
- [ ] Rollback plan validated

**Signed**: _______________ Date: ___________

### Product Owner (if applicable)

- [ ] Feature meets requirements
- [ ] Acceptance criteria met
- [ ] User stories completed
- [ ] Business value validated

**Signed**: _______________ Date: ___________

## Launch Communication

### Pre-Launch (24 hours before)

- [ ] Notify users of upcoming feature (if applicable)
- [ ] Announce maintenance window (if needed)
- [ ] Prepare support documentation
- [ ] Brief support team on new feature

### Launch Day

- [ ] Announce feature availability
- [ ] Monitor for user feedback
- [ ] Be available for support escalations
- [ ] Track adoption metrics

### Post-Launch (Week 1)

- [ ] Collect user feedback
- [ ] Monitor usage metrics
- [ ] Address any issues quickly
- [ ] Document lessons learned

## Success Criteria

### Technical Metrics

- [ ] All API endpoints responding
- [ ] <1% error rate
- [ ] Response times within requirements
- [ ] No unplanned downtime
- [ ] Circuit breaker <1% open rate
- [ ] Google Maps API costs within budget

### Business Metrics (if applicable)

- [ ] User adoption rate (X% of users use feature)
- [ ] User engagement (average searches per user per day)
- [ ] User satisfaction (feedback score >4/5)
- [ ] Feature retention (users return to feature)

### Operational Metrics

- [ ] No critical incidents
- [ ] Support tickets <X per day
- [ ] Mean time to resolution <X hours
- [ ] Documentation accuracy validated
- [ ] Team trained on feature

## Continuous Improvement

### Weekly Review

- [ ] Review error logs
- [ ] Analyze performance trends
- [ ] Monitor API costs
- [ ] Collect user feedback
- [ ] Identify improvement opportunities

### Monthly Review

- [ ] Code quality review
- [ ] Security audit
- [ ] Performance optimization
- [ ] Cost optimization
- [ ] Feature enhancement planning

### Quarterly Review

- [ ] Architecture review
- [ ] Technology stack review
- [ ] Competitive analysis
- [ ] Strategic roadmap alignment

## Emergency Contacts

### Google Maps API Issues
- Google Cloud Support: https://cloud.google.com/support
- API Key Dashboard: https://console.cloud.google.com/apis/credentials

### Infrastructure Issues
- Database: Review connection pool and query logs
- Redis: Check memory and connection status
- Docker: Check container health and logs

### Application Issues
- Backend: Review backend logs and circuit breaker state
- Frontend: Check browser console and network tab
- API: Test endpoints with curl and JWT

## Maintenance Windows

### Planned Maintenance

Schedule maintenance windows for:
- Database migrations
- API key rotation
- Dependency updates
- Security patches

**Recommended**: Monthly maintenance window, 2-4 AM local time, 30-minute duration

### Emergency Maintenance

For critical issues requiring immediate maintenance:
1. Notify users (if possible)
2. Take database backup
3. Execute fix
4. Validate fix
5. Document incident

## References

- Architecture: `/backend/src/features/stations/docs/ARCHITECTURE.md`
- API Documentation: `/backend/src/features/stations/docs/API.md`
- Testing Guide: `/backend/src/features/stations/docs/TESTING.md`
- Google Maps Setup: `/backend/src/features/stations/docs/GOOGLE-MAPS-SETUP.md`
- Deployment Checklist: `/backend/src/features/stations/docs/deployment/DEPLOYMENT-CHECKLIST.md`
- Database Migrations: `/backend/src/features/stations/docs/deployment/DATABASE-MIGRATIONS.md`
- Secrets Verification: `/backend/src/features/stations/docs/deployment/SECRETS-VERIFICATION.md`
- Health Checks: `/backend/src/features/stations/docs/deployment/HEALTH-CHECKS.md`
- Frontend Documentation: `/frontend/src/features/stations/README.md`

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**Final Approval for Production Deployment**

I certify that all items on this production readiness checklist have been completed and validated. The Gas Stations feature is ready for production deployment.

**Name**: _______________
**Role**: _______________
**Signature**: _______________
**Date**: ___________
