Kubernetes YAML Manifest Builder

apiVersion: apps/v1
kind: Deployment
metadata:
  name: web-app
  namespace: default
  labels:
    app: web-app
spec:
  replicas: 2
  selector:
    matchLabels:
      app: web-app
  template:
    metadata:
      labels:
        app: web-app
    spec:
      containers:
        - name: web-app
          image: nginx:alpine
          imagePullPolicy: IfNotPresent
          ports:
            - containerPort: 80
              name: http
          resources:
            requests:
              cpu: "100m"
              memory: "128Mi"
            limits:
              cpu: "500m"
              memory: "512Mi"
          env:
            - name: NODE_ENV
              value: "production"
            - name: PORT
              value: "80"
          livenessProbe:
            httpGet:
              path: /healthz
              port: 80
            initialDelaySeconds: 15
            periodSeconds: 20
          readinessProbe:
            httpGet:
              path: /ready
              port: 80
            initialDelaySeconds: 5
            periodSeconds: 10
---
apiVersion: v1
kind: Service
metadata:
  name: web-app-svc
  namespace: default
  labels:
    app: web-app
spec:
  type: ClusterIP
  selector:
    app: web-app
  ports:
    - name: http
      port: 80
      targetPort: 80
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: web-app-ingress
  namespace: default
  annotations:
    cert-manager.io/cluster-issuer: "letsencrypt-prod"
    nginx.ingress.kubernetes.io/ssl-redirect: "true"
spec:
  ingressClassName: nginx
  tls:
    - hosts:
        - app.example.com
      secretName: app-tls-cert
  rules:
    - host: app.example.com
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: web-app-svc
                port:
                  number: 80