# TraceRTM Deployment Configuration Summary

This document provides a comprehensive summary of all deployment configurations created for TraceRTM.

## Created Files

### Docker Configuration

#### 1. `/docker-compose.yml` (Updated)
**Purpose**: Production-ready Docker Compose configuration
**Services**:
- PostgreSQL 15 (with schema initialization)
- Redis 7 (cache layer)
- NATS 2.10 (message broker) **[NEW]**
- Go Backend Service **[NEW]**
- Python API Service
- Prometheus (monitoring)
- Grafana (dashboards)

**Key Features**:
- Health checks for all services
- Named volumes for data persistence
- Custom bridge network
- Service dependencies with health conditions

#### 2. `/docker-compose.dev.yml`
**Purpose**: Development environment with hot-reload and debugging tools
**Additional Services**:
- Adminer (database UI)
- Redis Commander (Redis UI)

**Features**:
- Volume mounts for live code reload
- Debug logging enabled
- Development database credentials
- Builder stage for hot reload

#### 3. `/backend/Dockerfile` (Updated)
**Purpose**: Multi-stage Go backend container
**Improvements**:
- Non-root user (UID 1000)
- Optimized binary size with ldflags
- Health check endpoint
- Minimal Alpine base image
- Security hardening

#### 4. `/.dockerignore` and `/backend/.dockerignore`
**Purpose**: Optimize Docker build context
**Benefits**:
- Faster builds
- Smaller image sizes
- Excludes unnecessary files

### Kubernetes Configuration

All files in `/k8s/` directory:

#### 5. `/k8s/namespace.yaml`
**Purpose**: Namespace isolation
**Creates**: `tracertm` namespace

#### 6. `/k8s/configmap.yaml`
**Purpose**: Non-sensitive configuration
**Contains**:
- Database connection parameters
- Redis/NATS URLs
- Logging configuration
- Application settings

#### 7. `/k8s/secret.yaml`
**Purpose**: Sensitive credentials
**Contains**:
- Database passwords
- JWT secrets
- Admin credentials
- Docker registry credentials

**⚠️ SECURITY**: Update these before production deployment!

#### 8. `/k8s/postgres-deployment.yaml`
**Purpose**: PostgreSQL database deployment
**Components**:
- PersistentVolumeClaim (10Gi)
- Deployment (single replica)
- Service (ClusterIP)
- Health probes

#### 9. `/k8s/redis-deployment.yaml`
**Purpose**: Redis cache deployment
**Components**:
- PersistentVolumeClaim (5Gi)
- Deployment (single replica)
- Service (ClusterIP)
- Persistence enabled (AOF + RDB)

#### 10. `/k8s/nats-deployment.yaml`
**Purpose**: NATS message broker deployment
**Components**:
- Deployment (single replica)
- Service (ClusterIP)
- JetStream enabled
- HTTP monitoring port

#### 11. `/k8s/backend-deployment.yaml`
**Purpose**: Go backend service deployment
**Components**:
- Deployment (3 replicas)
- Service (ClusterIP)
- ServiceAccount
- HorizontalPodAutoscaler (3-10 replicas)

**Features**:
- Rolling update strategy
- Resource limits and requests
- Health probes (liveness/readiness)
- Security context (non-root, read-only filesystem)
- Prometheus scraping annotations

#### 12. `/k8s/api-deployment.yaml`
**Purpose**: Python API service deployment
**Components**:
- Deployment (3 replicas)
- Service (LoadBalancer)
- ServiceAccount
- HorizontalPodAutoscaler (3-10 replicas)

**Features**:
- Init container for database wait
- Init container for migrations
- Rolling update strategy
- Resource limits and requests
- Health probes
- Security context

#### 13. `/k8s/ingress.yaml`
**Purpose**: External access configuration
**Features**:
- TLS/SSL support with cert-manager
- Host-based routing
- Rate limiting
- Nginx annotations

**Hosts**:
- `api.tracertm.example.com` → API service
- `backend.tracertm.example.com` → Backend service

#### 14. `/k8s/networkpolicy.yaml`
**Purpose**: Network security policies
**Policies**:
- API ingress/egress rules
- Backend ingress/egress rules
- PostgreSQL access restrictions
- Redis access restrictions
- NATS access restrictions

**Security**: Implements zero-trust networking

#### 15. `/k8s/README.md`
**Purpose**: Kubernetes deployment documentation
**Contains**:
- Quick start guide
- Configuration instructions
- Scaling information
- Monitoring guide
- Troubleshooting tips

### Deployment Automation

#### 16. `/scripts/deploy.sh`
**Purpose**: Comprehensive deployment automation script
**Capabilities**:
- Prerequisites checking
- Docker image building and pushing
- Kubernetes resource deployment
- Service health verification
- Database migration execution
- Deployment status reporting

**Commands**:
```bash
./scripts/deploy.sh all       # Full deployment
./scripts/deploy.sh build     # Build images only
./scripts/deploy.sh push      # Build and push images
./scripts/deploy.sh infra     # Deploy infrastructure
./scripts/deploy.sh app       # Deploy application
./scripts/deploy.sh network   # Deploy network policies
./scripts/deploy.sh ingress   # Deploy ingress
./scripts/deploy.sh migrate   # Run migrations
./scripts/deploy.sh status    # Show status
```

**Environment Variables**:
- `NAMESPACE` - Kubernetes namespace (default: tracertm)
- `DOCKER_REGISTRY` - Docker registry URL
- `IMAGE_TAG` - Docker image tag (default: latest)
- `KUBE_CONTEXT` - Kubernetes context to use

### CI/CD Pipeline

#### 17. `/.github/workflows/ci.yml`
**Purpose**: Complete CI/CD pipeline
**Jobs**:

1. **python-tests**
   - Runs on Python 3.12
   - PostgreSQL and Redis services
   - Linting with ruff
   - Type checking with mypy
   - Unit and integration tests
   - Coverage reporting to Codecov

2. **go-tests**
   - Runs on Go 1.23
   - PostgreSQL, Redis, and NATS services
   - go vet, go fmt validation
   - staticcheck linting
   - Race detection enabled
   - Coverage reporting to Codecov

3. **security-scan**
   - Trivy vulnerability scanning
   - Semgrep security analysis
   - SARIF upload to GitHub Security

4. **docker-build**
   - Multi-platform builds (amd64, arm64)
   - Automated tagging (branch, semver, SHA)
   - Push to GitHub Container Registry
   - Build caching with GitHub Actions cache

5. **deploy-staging**
   - Triggers on push to develop
   - Deploys to staging environment
   - Rollout verification

6. **deploy-production**
   - Triggers on release
   - Deploys to production environment
   - Smoke tests

**Required Secrets**:
- `KUBE_CONFIG_STAGING` - Base64 encoded kubeconfig
- `KUBE_CONFIG_PRODUCTION` - Base64 encoded kubeconfig

### Documentation

#### 18. `/DEPLOYMENT.md`
**Purpose**: Comprehensive deployment guide
**Sections**:
- Prerequisites
- Local development setup
- Docker Compose deployment
- Kubernetes deployment
- Production deployment checklist
- Security hardening
- Database backup strategies
- Monitoring setup
- Troubleshooting guide

#### 19. `/Makefile`
**Purpose**: Common development and deployment tasks
**Targets**:

**Development**:
- `make dev` - Start development environment
- `make dev-logs` - Follow logs
- `make dev-stop` - Stop environment
- `make dev-clean` - Clean with volumes

**Docker**:
- `make docker-build` - Build images
- `make docker-push` - Build and push images
- `make docker-up` - Start stack
- `make docker-down` - Stop stack

**Testing**:
- `make test` - Run all tests
- `make test-python` - Python tests only
- `make test-go` - Go tests only
- `make test-integration` - Integration tests
- `make test-unit` - Unit tests

**Code Quality**:
- `make lint` - Run linters
- `make format` - Format code
- `make type-check` - Type checking
- `make security-scan` - Security scans

**Database**:
- `make db-migrate` - Run migrations
- `make db-rollback` - Rollback migration
- `make db-reset` - Reset database
- `make db-shell` - Open database shell

**Kubernetes**:
- `make k8s-deploy` - Deploy to Kubernetes
- `make k8s-deploy-infra` - Deploy infrastructure
- `make k8s-deploy-app` - Deploy application
- `make k8s-status` - Show status
- `make k8s-logs` - Show logs
- `make k8s-delete` - Delete deployment
- `make k8s-port-forward` - Port forward API

## Quick Start

### Local Development

```bash
# Start everything
make dev

# View logs
make dev-logs

# Stop everything
make dev-stop
```

### Kubernetes Deployment

```bash
# Full deployment
make k8s-deploy

# Or use the script directly
./scripts/deploy.sh all

# With custom registry
DOCKER_REGISTRY=myregistry.com IMAGE_TAG=v1.0.0 make k8s-deploy
```

### CI/CD

Push to GitHub and the pipeline automatically:
1. Runs tests (Python + Go)
2. Performs security scans
3. Builds and pushes Docker images
4. Deploys to staging (on develop branch)
5. Deploys to production (on release)

## Architecture Overview

```
┌─────────────────────────────────────────────┐
│            Load Balancer / Ingress          │
│         (api.tracertm.example.com)          │
└─────────────────┬───────────────────────────┘
                  │
        ┌─────────┴─────────┐
        │                   │
   ┌────▼────┐         ┌────▼────┐
   │   API   │◄────────┤ Backend │
   │(Python) │         │  (Go)   │
   └────┬────┘         └────┬────┘
        │                   │
   ┌────┴────┬──────────────┴────┬─────────┐
   │         │                   │         │
┌──▼──┐  ┌──▼──┐             ┌──▼──┐   ┌──▼──┐
│Postgres│ │Redis│            │NATS │   │ ... │
└──────┘  └─────┘             └─────┘   └─────┘
```

## Service Endpoints

### Development (Docker Compose)
- API: http://localhost:8000
- Backend: http://localhost:8080
- PostgreSQL: localhost:5432
- Redis: localhost:6379
- NATS: localhost:4222 (client), localhost:8222 (monitoring)
- Adminer: http://localhost:8081
- Redis Commander: http://localhost:8082
- Prometheus: http://localhost:9090
- Grafana: http://localhost:3000

### Kubernetes (Production)
- API: https://api.tracertm.example.com
- Backend: https://backend.tracertm.example.com
- Internal services: ClusterIP (not exposed)

## Resource Requirements

### Minimum (Development)
- CPU: 4 cores
- RAM: 8 GB
- Disk: 20 GB

### Recommended (Production)
- Kubernetes cluster: 3+ nodes
- Node resources: 4 CPU, 16 GB RAM each
- Persistent storage: 50+ GB
- Load balancer support

## Security Checklist

- [ ] Update all secrets in `k8s/secret.yaml`
- [ ] Generate strong JWT secret
- [ ] Configure TLS certificates
- [ ] Enable network policies
- [ ] Review RBAC permissions
- [ ] Enable pod security policies
- [ ] Configure backup strategy
- [ ] Set up monitoring alerts
- [ ] Review ingress security headers
- [ ] Enable audit logging

## Monitoring

### Metrics
- Application metrics: `/metrics` endpoint (Prometheus format)
- System metrics: Node exporter
- Database metrics: PostgreSQL exporter
- Cache metrics: Redis exporter

### Dashboards
- Pre-configured Grafana dashboards in `monitoring/grafana/`
- Default admin credentials: admin/admin (change immediately)

### Logging
- Centralized logging via stdout/stderr
- Kubernetes aggregates logs automatically
- Consider adding: ELK stack, Loki, or CloudWatch

## Backup Strategy

### Database
- Automated daily backups via CronJob
- Backup retention: 30 days
- Point-in-time recovery capability
- Offsite backup storage recommended

### Persistent Volumes
- Use storage class with snapshot support
- Regular volume snapshots
- Test restore procedures

## Support and Troubleshooting

### Common Issues

1. **Pods not starting**: Check `kubectl describe pod <name>`
2. **Database connection failed**: Verify credentials and network
3. **Image pull errors**: Check registry credentials
4. **Service not accessible**: Verify service endpoints

### Getting Help

- Check logs: `make k8s-logs` or `kubectl logs`
- View status: `make k8s-status`
- See detailed guide: Read `/DEPLOYMENT.md`
- See k8s guide: Read `/k8s/README.md`

## Next Steps

1. Review and update secrets
2. Customize ingress domains
3. Set up monitoring alerts
4. Configure backup automation
5. Test disaster recovery
6. Set up CD pipeline
7. Load testing
8. Security audit

## Version History

- **v1.0.0** (2025-11-29): Initial deployment configuration
  - Docker Compose setup
  - Kubernetes manifests
  - CI/CD pipeline
  - Deployment automation
  - Documentation
