# Production Checklist

## Production Checklist

### Security

```
[ ] API Key Management
    [ ] API keys stored in secrets manager (not env vars in prod)
    [ ] Separate keys for dev/staging/prod
    [ ] Key rotation process documented
    [ ] Keys have appropriate credit limits
    [ ] No keys in source code or logs

[ ] Access Control
    [ ] Least privilege access to production keys
    [ ] Audit log of key access
    [ ] Key revocation process tested
    [ ] MFA enabled on Kling AI account

[ ] Data Protection
    [ ] PII handling policy defined
    [ ] Prompts don't contain sensitive data
    [ ] Video output access controlled
    [ ] Data retention policy implemented
```

### Error Handling

```
[ ] HTTP Errors
    [ ] 401 - Authentication errors handled
    [ ] 400 - Validation errors with user feedback
    [ ] 429 - Rate limiting with backoff
    [ ] 500 - Server errors with retry
    [ ] Timeout - Generation timeout handling

[ ] Business Errors
    [ ] Content policy violations handled gracefully
    [ ] Insufficient credits notification
    [ ] Generation failure recovery
    [ ] Partial failure handling for batches

[ ] Error Reporting
    [ ] Errors logged with context
    [ ] Alert thresholds configured
    [ ] Error rate dashboards
    [ ] On-call escalation path
```

### Monitoring

```
[ ] Metrics
    [ ] Request rate (RPM)
    [ ] Error rate by type
    [ ] Latency percentiles (p50, p95, p99)
    [ ] Credit consumption rate
    [ ] Active job count
    [ ] Queue depth (if applicable)

[ ] Alerts
    [ ] High error rate (>5%)
    [ ] Low credit balance (<20%)
    [ ] High latency (>2x baseline)
    [ ] Job failure spike
    [ ] Rate limit breaches

[ ] Dashboards
    [ ] Real-time operations view
    [ ] Cost tracking
    [ ] Job status overview
    [ ] Historical trends
```

### Performance

```
[ ] Load Testing
    [ ] Tested at expected peak load
    [ ] Tested at 2x peak (headroom)
    [ ] Response times acceptable
    [ ] No memory leaks under load

[ ] Scalability
    [ ] Horizontal scaling tested
    [ ] Database connections pooled
    [ ] Caching strategy implemented
    [ ] CDN for video delivery

[ ] Reliability
    [ ] Fallback models configured
    [ ] Circuit breaker implemented
    [ ] Graceful degradation tested
    [ ] Recovery procedures validated
```

### Operations

```
[ ] Documentation
    [ ] API integration documented
    [ ] Runbook for common issues
    [ ] Incident response plan
    [ ] Rollback procedure

[ ] Deployment
    [ ] Blue-green or canary deployment
    [ ] Feature flags for new functionality
    [ ] Quick rollback capability
    [ ] Configuration management

[ ] Support
    [ ] Support contact documented
    [ ] Escalation path defined
    [ ] SLA expectations set
    [ ] Status page monitoring
```