Kubernetes operator

Skill AtulPurohit/Antigravity-Awesome-Skills/skills/kubernetes-operator

Deploy and manage applications on Kubernetes. Covers deployments, services, ingress, HPA, secrets, and production-grade cluster configuration.From its SKILL.md

Install

npx -y skills add AtulPurohit/Antigravity-Awesome-Skills --skill kubernetes-operator

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SKILL.md

3.3 KB, 711 tokens by cl100k_base, as published. Nobody here has run it

Kubernetes Operator

Purpose

Deploy and operate production applications on Kubernetes with proper resource management, scaling, and reliability.

Core Kubernetes Manifests

Deployment

apiVersion: apps/v1
kind: Deployment
metadata:
  name: myapp
  labels:
    app: myapp
spec:
  replicas: 3
  selector:
    matchLabels:
      app: myapp
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 0      # Zero downtime
  template:
    metadata:
      labels:
        app: myapp
    spec:
      containers:
        - name: myapp
          image: ghcr.io/myorg/myapp:1.2.0
          ports:
            - containerPort: 3000
          env:
            - name: NODE_ENV
              value: production
            - name: DATABASE_URL
              valueFrom:
                secretKeyRef:
                  name: myapp-secrets
                  key: database-url
          resources:
            requests:
              memory: "128Mi"
              cpu: "100m"
            limits:
              memory: "512Mi"
              cpu: "500m"
          readinessProbe:
            httpGet:
              path: /health
              port: 3000
            initialDelaySeconds: 10
            periodSeconds: 5
          livenessProbe:
            httpGet:
              path: /health
              port: 3000
            initialDelaySeconds: 30
            periodSeconds: 10
          securityContext:
            runAsNonRoot: true
            runAsUser: 1000
            readOnlyRootFilesystem: true
      securityContext:
        fsGroup: 1000

Horizontal Pod Autoscaler

apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
  name: myapp-hpa
spec:
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: myapp
  minReplicas: 3
  maxReplicas: 20
  metrics:
    - type: Resource
      resource:
        name: cpu
        target:
          type: Utilization
          averageUtilization: 70
    - type: Resource
      resource:
        name: memory
        target:
          type: Utilization
          averageUtilization: 80

Ingress with TLS

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: myapp-ingress
  annotations:
    cert-manager.io/cluster-issuer: letsencrypt-prod
    nginx.ingress.kubernetes.io/rate-limit: "100"
spec:
  tls:
    - hosts: [api.example.com]
      secretName: api-tls
  rules:
    - host: api.example.com
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: myapp-service
                port:
                  number: 80

Outputs

Complete Kubernetes manifest set
HPA configuration
Ingress with TLS (cert-manager)
Secrets management (sealed-secrets or external-secrets)
Helm chart for packaging
Network policies for security

What ships with it

Read from the repository

Just SKILL.md. No reference files, no scripts.