demo.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: demo
  name: demo
  namespace: default
spec:
  replicas: 3
  strategy:
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 1
    type: RollingUpdate
  selector:
    matchLabels:
      app: demo
  template:
    metadata:
      labels:
        app: demo
    spec:
      containers:
      - image: webofmars/colors:yellow
        name: color
        resources:
          limits:
            cpu: 100m
            memory: 128Mi
          requests:
            cpu: 100m
            memory: 128Mi
---
apiVersion: v1
kind: Service
metadata:
  labels:
    app: demo
  name: demo
  namespace: default
spec:
  ports:
  - port: 80
    protocol: TCP
    targetPort: 80
  selector:
    app: demo
  type: ClusterIP
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: demo
  namespace: default
  annotations:
    cert-manager.io/cluster-issuer: letsencrypt-prod
    kubernetes.io/ingress.class: "nginx"
spec:
  rules:
  - host: demo.user-00.wmars.party
    http:
      paths:
      - path: /
        pathType: Prefix
        backend:
          service:
            name: demo
            port:
              number: 80
  tls:
  - hosts:
    - demo.user-00.wmars.party
    secretName: demo-tls