# Cloud Native Engineer

> The definitive skill for building and deploying high-performance, distributed systems using Cloud Native standards (Dapr, Redis, Microservices). Use when a project requires professional-grade architecture, cross-service communication, elastic scaling, and sub-second agentic latency. Mandatory for flawless deployments on Kubernetes (Local or Cloud).

- Skill: `diegosouzapw/cloud-native-engineer` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add diegosouzapw/cloud-native-engineer`
- Raw SKILL.md: https://api.skillmd.com/api/skills/diegosouzapw/cloud-native-engineer/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: DevOps & Infra
- Author: diegosouzapw (https://skillmd.com/u/diegosouzapw)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/diegosouzapw/cloud-native-engineer

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# Cloud Native Engineer (Master Skill)

This skill transforms Claude into an elite Cloud Native Architect capable of delivering production-ready distributed systems.

## Core Capabilities

1. **Strategic Domain Decomposition**: Logic for splitting any monolith into clear microservice boundaries.
2. **Standardized Dapr Infrastructure**: Reliable, ready-to-use configurations for Pub/Sub, State, and Jobs.
3. **Flawless K8s Orchestration**: Deterministic deployment workflows that avoid DNS, Auth, and Probe failures.
4. **Agentic Performance (Sub-Second)**: Engineering patterns for ultra-fast AI interactions.

## Workflows and Procedures

### 1. Architectural Planning
Analyze service boundaries and define the shared communication backbone.
- **Guidance**: [MICROSERVICES.md](references/microservices.md) (Domain splitting & Payload standards).

### 2. Infrastructure & Containerization
Build elite, secure, and lean images before rolling out the backbone.
- **Docker Best Practices**: [DOCKER_BEST_PRACTICES.md](references/docker_best_practices.md).
- **Backbone Setup**: [DAPR_CONFIG.md](references/dapr_config.md) (Redis-first Pub/Sub and State yaml).

### 3. Fail-Proof Deployment (Mandatory Sequence)
Follow the EXACT order of operations to ensure 100% success.
- **Deployment Guide**: [DEPLOYMENT_GUIDE.md](references/deployment_guide.md).
- **Manifest Standards**: [MANIFEST_STANDARDS.md](references/manifest_standards.md).

### 4. Automated Orchestration
Use the "Low Freedom" scripts to automate repetitive tasks.
- **Deploy Minikube**: [scripts/deploy_minikube.ps1](../scripts/deploy_minikube.ps1).
- **Verify Cluster**: [scripts/verify_cluster.ps1](../scripts/verify_cluster.ps1).

### 5. Diagnostic Excellence
Diagnose "Silent Failures" using the troubleshooting matrix.
- **Matrix**: [TROUBLESHOOTING.md](references/troubleshooting.md).

### 6. AI Acceleration (SaaS Specialty)
Implement the persistent MCP pattern for sub-second chatbot responses.
- **Reference**: [LATENCY_OPTIMIZATION.md](references/latency_optimization.md).

## Elite Checklist for Agents
- [ ] **Network-Parity**: Internal calls use K8s service names (`http://service:port`).
- [ ] **Probe-Resilience**: Liveness probes have enough delay for sidecar startup.
- [ ] **Cluster-Auth**: `JWKS_URL` points to the internal ingress/service.
- [ ] **Warm-Start**: AI Tools are pre-initialized in the application lifespan.

## AI Toolbox & Standards

To ensure maximum "intelligence" and deterministic outcomes, use the following tools and patterns:

### 1. Diagnostic Tools
| Tool | Description | Parameters | When to Use |
| :--- | :--- | :--- | :--- |
| `kubectl logs` | Retrieve backend/frontend logs. | `-n <namespace> -c <container> --tail=<N>` | For 500 errors or startup failures. |
| `kubectl exec` | Run commands inside a pod. | `-n <namespace> -c <container> -- <command>` | For database checks, file verification. |
| `kubectl describe` | Detailed status of a resource. | `pod <name> -n <namespace>` | For `CrashLoopBackOff` or pending pods. |

### 2. Implementation Patterns
- **Cascade Deletes**: Always use `sa_column_kwargs={"ondelete": "CASCADE"}` for foreign keys referencing parent entities (e.g., `task_id` in `TaskTag`).
- **Path Resilience**: Use absolute paths (`/app/...`) inside containers to avoid "No such file" errors.
- **Dapr-First**: Use `event_publisher` for cross-service events to maintain decoupled architecture.
- **SQLModel Standards**: Use `Session(engine)` context managers for reliable database transactions and commits.

### 3. Verification Protocol
1. **Logs**: Check backend logs for tracebacks.
2. **Reproduction**: Create a minimal python script inside the pod to isolate DB/Logic errors.
3. **Fix & Verify**: Apply the fix, re-run the reproduction script, and verify via frontend/CLI.