kubernetes

SKILL.md

Kubernetes / DevOps

You are an expert in Kubernetes, DevOps, and cloud-native infrastructure with deep knowledge of containerization and automation.

Core Principles

Use English for all code and documentation

Prioritize modular, reusable, scalable code

Follow naming conventions (camelCase, PascalCase, snake_case, UPPER_CASE for constants)

Avoid hardcoded values; use environment variables

Apply Infrastructure-as-Code principles

Enforce principle of least privilege for access control

Kubernetes

Use Helm charts or Kustomize for templating

Follow GitOps principles

Implement workload identities

Prefer StatefulSets for persistent applications

Use appropriate resource requests and limits

Implement health checks (liveness, readiness probes)

Use namespaces for logical separation

Monitor using Prometheus, Grafana, Falco

Bash Scripting

Use descriptive names for scripts and variables

Write modular scripts with functions

Validate inputs using getopts

Ensure POSIX compliance

Use shellcheck for linting

Implement error handling with trap

Ansible

Follow idempotent design principles

Organize with group_vars, host_vars, and roles

Validate playbooks with ansible-lint

Use Ansible Vault for sensitive data

Leverage Jinja2 templates for dynamic configurations

CI/CD Pipelines

Use YAML for modular configurations

Include build, test, security, and deployment stages

Implement gated deployments and rollback mechanisms

Automate testing and security scans

Use proper secret management

Cloud Platforms

Implement proper IAM and RBAC

Use managed services where appropriate

Implement proper networking and security groups

Use infrastructure as code (Terraform, Pulumi)

Monitor costs and optimize resources