KODA DevOps Engineer Tasks
Complete Task Breakdown & Specifications
Table of Contents
- Overview
- Phase 1 - Infrastructure Foundation
- Phase 2 - Advanced Infrastructure
- Phase 3 - Production Optimization
- Summary
Overview
The DevOps team is responsible for building and maintaining the infrastructure for all 7 KODA applications. This includes cloud infrastructure, CI/CD pipelines, monitoring, security, and deployment automation.
Key Responsibilities
- Cloud infrastructure architecture and setup
- CI/CD pipeline implementation for all applications
- Database management and optimization
- Monitoring and logging infrastructure
- Security hardening and compliance
- Backup and disaster recovery
- Performance optimization and scaling
Technologies
- Cloud Platform: AWS / DigitalOcean / Azure
- Containerization: Docker
- CI/CD: GitHub Actions
- Web Server: Nginx + RoadRunner/Octane
- Database: MySQL 8.0+ with replication
- Cache: Redis 7.x cluster
- WebSocket: EMQX
- Monitoring: Prometheus + Grafana + Loki
- Error Tracking: Sentry
Milestone 2: CI/CD Pipeline (M2)
Package 1.28: CI/CD & Security (50H)
Git Repository Structure & Branching Strategy
Repository Setup:
- Create Git repositories for each application (koda-backend, koda-website, koda-core, koda-mobile-app, koda-team-app, koda-ai, koda-ws)
- Setup repository permissions
- Configure branch protection rules
Branching Strategy:
- Implement GitFlow workflow (main, staging, develop, feature/*, hotfix/*)
- Configure branch protection rules (require PR reviews, CI checks)
- Setup merge policies
Documentation:
- Create CONTRIBUTING.md for developers
- Document branching strategy
- Create PR templates
CI/CD Pipeline Setup (GitHub Actions)
Backend (Laravel) Pipeline:
- Setup GitHub Actions workflow
- Configure job: Install dependencies (composer install)
- Configure job: Run Laravel Pint (code formatting)
- Configure job: Run PHPUnit tests
- Configure job: Run SAST (SonarQube or PHPStan)
- Configure job: Build Docker image
- Configure job: Push to container registry
- Configure job: Deploy to staging on develop branch
- Configure job: Deploy to production on main branch
- Setup environment-specific .env injection
- Configure automatic migrations on deployment
Frontend (ReactJS) Pipeline:
- Setup GitHub Actions workflow
- Configure job: Install dependencies (npm install)
- Configure job: Run ESLint
- Configure job: Run tests (Jest)
- Configure job: Build production bundle
- Configure job: Upload to S3/CDN
- Configure job: Invalidate CloudFront cache
- Configure job: Deploy to staging/production
Mobile App (Flutter) Pipeline:
- Setup GitHub Actions workflow
- Configure job: Install Flutter SDK
- Configure job: Run flutter analyze
- Configure job: Run flutter test
- Configure job: Build APK (Android)
- Configure job: Build IPA (iOS)
- Configure job: Upload to Firebase App Distribution (staging)
- Configure job: Upload to Play Store/App Store (production)
Pipeline Features:
- Setup environment variables and secrets management
- Configure deployment gates (manual approval for production)
- Setup rollback mechanism
- Configure deployment notifications (Slack/Discord)
- Implement blue-green deployment strategy
Automated Testing Infrastructure
Test Environments:
- Setup isolated test database (SQLite in-memory for CI)
- Configure test Redis instance
- Setup test SMTP server (Mailhog)
- Configure test SMS provider (mock)
CI Test Configuration:
- Configure parallel test execution
- Setup test coverage reporting (Codecov)
- Configure test result artifacts
- Setup performance testing (optional)
Test Data Management:
- Setup database seeding for tests
- Configure test data fixtures
- Implement test data cleanup
Integration Testing:
- Setup Postman/Newman for API testing
- Configure automated API test runs in CI
- Setup end-to-end testing (Cypress for web)
Infrastructure Security Hardening & Penetration Testing
Security Hardening:
- Conduct infrastructure security audit
- Harden SSH configuration (disable weak ciphers, enable 2FA)
- Configure Web Application Firewall (ModSecurity/CloudFlare WAF)
- Setup intrusion detection system (OSSEC/Fail2Ban)
- Configure DDoS protection
- Implement rate limiting at load balancer level
- Setup IP whitelisting for admin panels
- Configure HTTPS everywhere (HSTS)
- Implement security headers (CSP, X-Frame-Options, X-Content-Type-Options)
Vulnerability Scanning:
- Run automated vulnerability scans (OpenVAS/Nessus)
- Scan for outdated packages and dependencies
- Check SSL/TLS configuration (SSL Labs)
- Run OWASP ZAP for web application scanning
- Check for exposed sensitive information (API keys, credentials)
Penetration Testing:
- Conduct manual penetration testing on infrastructure
- Test for common attack vectors (SQL injection, XSS, CSRF)
- Test authentication and authorization mechanisms
- Test file upload vulnerabilities
- Test API security
- Test multi-tenant isolation
- Document findings and remediation steps
Compliance Checks:
- Verify GDPR compliance (data protection)
- Check PCI DSS compliance (if handling payments)
- Verify HIPAA compliance (if handling medical data)
- Document compliance status
Deliverables:
- Security audit report
- Vulnerability scan reports
- Penetration test report
- Remediation action items list
- Security compliance documentation
Phase 2 - Advanced Infrastructure
Load balancing, auto-scaling, database optimization, and CDN setup for production-level performance.
Milestone 11: Scaling & Performance (M11)
Package 2.7: Scaling & Performance (30H)
Load Balancing & Auto-Scaling Configuration
Load Balancer Setup:
- Configure Nginx/HAProxy as load balancer
- Setup health checks for backend servers
- Configure load balancing algorithms (round-robin, least connections)
- Setup SSL termination at load balancer
- Configure sticky sessions for stateful applications
- Setup failover rules
Auto-Scaling Configuration:
- Configure auto-scaling groups (AWS ASG or equivalent)
- Define scaling policies (CPU > 70%, Memory > 80%)
- Setup scale-out and scale-in rules
- Configure minimum and maximum instance counts
- Test scaling scenarios
Session Management:
- Configure centralized session storage (Redis)
- Test session persistence across instances
- Verify sticky session behavior
Testing:
- Perform load testing (Apache Bench, Artillery, K6)
- Test failover scenarios
- Verify auto-scaling triggers
- Document performance benchmarks
Database Performance Optimization & Replication
Database Optimization:
- Analyze slow query logs
- Optimize MySQL configuration (buffer pool, connections, cache)
- Setup query caching
- Configure connection pooling (ProxySQL)
- Optimize indexes based on usage patterns
- Setup read replicas for reporting
Replication Setup:
- Configure MySQL replication lag monitoring
- Setup automatic failover (MHA or Orchestrator)
- Test failover scenarios
- Configure read/write splitting
Monitoring:
- Setup database performance monitoring
- Configure alerts for slow queries
- Monitor replication lag
- Track connection pool usage
CDN & Static Asset Optimization
CDN Setup:
- Configure CloudFront/CloudFlare CDN
- Setup origin server (S3 or application server)
- Configure cache behaviors and TTLs
- Setup custom domain and SSL certificates
- Configure compression (Gzip, Brotli)
Asset Optimization:
- Configure image optimization (WebP conversion, lazy loading)
- Setup CSS and JS minification
- Configure asset versioning for cache busting
- Setup HTTP/2 push for critical assets
Cache Strategy:
- Configure cache headers for static assets
- Setup cache invalidation rules
- Configure CDN purge on deployments
- Test cache hit rates
Phase 3 - Production Optimization
Complete monitoring, logging, backup systems, and production deployment readiness for KODA ecosystem.
Milestone 18: Production Readiness (M18)
Package 3.2: Production Readiness (54H)
Monitoring & Observability Setup
Monitoring Stack Setup:
- Install and configure Prometheus for metrics collection
- Setup Grafana for visualization
- Configure Loki for log aggregation
- Setup Alertmanager for alerting
- Install node_exporter on all servers
- Configure MySQL exporter
- Configure Redis exporter
- Configure Nginx exporter
Application Monitoring:
- Integrate Laravel with Prometheus (Laravel Telescope metrics)
- Setup custom application metrics
- Configure APM (New Relic or Datadog) for performance monitoring
- Setup error tracking (Sentry)
- Configure uptime monitoring (UptimeRobot)
Dashboards:
- Create infrastructure dashboard (CPU, Memory, Disk, Network)
- Create application dashboard (requests, response times, errors)
- Create database dashboard (queries, connections, replication lag)
- Create queue dashboard (job processing, failures)
- Create business metrics dashboard (registrations, bookings, revenue)
Alerts Configuration:
- Setup alerts for high CPU/Memory usage
- Configure alerts for disk space
- Setup alerts for application errors
- Configure alerts for database issues
- Setup alerts for queue failures
- Configure alert channels (Email, Slack, PagerDuty)
Logging & Log Management
Centralized Logging:
- Setup ELK Stack (Elasticsearch, Logstash, Kibana) or Loki
- Configure log forwarding from all servers (Filebeat/Promtail)
- Setup log parsing and filtering
- Configure log retention policies (30 days for application logs, 90 days for audit logs)
- Setup log rotation
Application Logs:
- Configure Laravel logging (daily rotation, separate channels)
- Setup structured logging (JSON format)
- Configure log levels (DEBUG for staging, INFO for production)
- Setup separate logs for activity log, error log, slow query log
Log Analysis:
- Create Kibana dashboards for log analysis
- Setup log-based alerts (error rate threshold)
- Configure log correlation (trace IDs)
- Setup log search and filtering
Security Logs:
- Configure audit logging
- Setup failed login attempt tracking
- Log all admin actions
- Configure SIEM integration (if required)
Backup & Disaster Recovery
Backup Strategy:
- Configure automated database backups (full daily + incremental hourly)
- Setup application code backups
- Configure file storage backups (S3 versioning)
- Setup configuration backups
- Store backups in geographically separate location
Backup Testing:
- Test backup restoration procedures
- Document recovery time objectives (RTO: 4 hours)
- Document recovery point objectives (RPO: 1 hour)
- Perform disaster recovery drills
Disaster Recovery Plan:
- Document infrastructure as code (Terraform/CloudFormation)
- Create runbooks for disaster scenarios
- Setup standby infrastructure (cold/warm standby)
- Document failover procedures
- Create communication plan
High Availability:
- Verify redundancy at all levels (load balancer, app servers, databases)
- Test automatic failover
- Document single points of failure
- Implement mitigation strategies
Production Deployment & Go-Live Checklist
Pre-Launch Checklist:
- Verify all servers provisioned and configured
- Verify SSL certificates installed and valid
- Verify database migrations completed
- Verify all environment variables set correctly
- Verify CDN configured and working
- Verify monitoring and alerting working
- Verify backups configured and tested
- Verify CI/CD pipelines working
- Verify load balancer health checks passing
- Verify auto-scaling configured
- Verify security hardening completed
Performance Testing:
- Conduct load testing (1000+ concurrent users)
- Verify response times under load
- Verify database performance under load
- Verify cache hit rates
- Document performance benchmarks
Security Verification:
- Run final vulnerability scan
- Verify all security patches applied
- Verify firewall rules correct
- Verify SSL/TLS configuration
- Verify API key security
- Verify multi-tenant isolation
Go-Live:
- Execute deployment to production
- Verify all services started correctly
- Perform smoke tests
- Monitor application metrics
- Monitor error rates
- Verify business functionality (registration, booking, payment)
- Update DNS records (if needed)
- Enable CDN
- Enable monitoring alerts
Post-Launch:
- Monitor for 24-48 hours
- Address any issues immediately
- Document any incidents
- Conduct post-launch retrospective
Documentation & Knowledge Transfer
Infrastructure Documentation:
- Create infrastructure architecture diagram
- Document all server configurations
- Document network topology
- Document security configurations
- Document database architecture
- Document backup and recovery procedures
Runbooks:
- Create deployment runbook
- Create rollback runbook
- Create disaster recovery runbook
- Create incident response runbook
- Create scaling runbook
- Create backup restoration runbook
Operations Documentation:
- Document monitoring and alerting
- Document log locations and analysis
- Document common troubleshooting steps
- Document performance tuning procedures
- Document security procedures
Knowledge Transfer:
- Conduct training sessions for operations team
- Document on-call procedures
- Create FAQ for common issues
- Document escalation procedures
- Setup internal wiki/documentation portal
Summary
Total Hours by Phase
| Phase | Milestone(s) | Hours | Tasks |
|---|---|---|---|
| Phase 1 | M1-M2 | 122 | 10 |
| Phase 2 | M11 | 30 | 3 |
| Phase 3 | M18 | 54 | 5 |
| GRAND TOTAL | - | 206 | 18 |
Infrastructure Components
Servers:
- 2x Application Servers (Load Balanced)
- 1x Primary Database + 1x Replica
- 1x Redis Primary + 1x Replica
- 1x EMQX WebSocket Server
- 1x Monitoring Server
Performance Targets:
- API response time: < 200ms (p95)
- Page load time: < 2 seconds
- Uptime: 99.9%
- Support 1000+ concurrent users