deployment.yaml

---
apiVersion: apps/v1
kind: Deployment
metadata:
  creationTimestamp: null
  labels:
    io.kompose.service: octoprint-server
    app: octoprint-server
  name: octoprint-server
  namespace: default
spec:
  replicas: 1
  selector:
    matchLabels:
      io.kompose.service: octoprint-server
      app: octoprint-server
  strategy:
    type: Recreate
  template:
    metadata:
      creationTimestamp: null
      labels:
        io.kompose.network/octoprint-default: "true"
        io.kompose.service: octoprint-server
        app: octoprint-server
    spec:
      containers:
        - image: octoprint/octoprint:latest
          name: octoprint-server
          securityContext:
            privileged: true
          ports:
            - containerPort: 5000
              hostPort: 5000
              protocol: TCP
              name: octoprint
          resources: {}
          volumeMounts:
            - mountPath: /octoprint
              name: octoprint-claim
            - mountPath: /dev/ttyUSB0
              name: i3omega
          env:
            - name: OCTOPRINT_PORT
              value: "5000"
      restartPolicy: Always
      volumes:
        - name: octoprint-claim
          persistentVolumeClaim:
            claimName: octoprint-claim
        - name: i3omega
          hostPath:
            path: /dev/i3_omega
            type: CharDevice
status: {}

podmon-config.yaml

---
apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  name: octoprint-server
  labels:
    app: octoprint-server
spec:
  selector:
    matchLabels:
      app: octoprint-server
  endpoints:
  - port: octoprint
    path: "plugin/prometheus_exporter/metrics"
    authorization:
      credentials:
        name: octoprint-api-key
        key: token

service_and_ingress.yaml

apiVersion: v1
kind: Service
metadata:
  creationTimestamp: null
  labels:
    io.kompose.service: octoprint-server
  name: octoprint-server
  namespace: default
spec:
  ports:
    - name: octoprint
      port: 5000
      targetPort: 5000
  selector:
    io.kompose.service: octoprint-server
status:
  loadBalancer: {}
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: octoprint.wallace.network
  annotations:
    ingress.kubernetes.io/class: "traefik"
    ingress.kubernetes.io/ssl-redirect: "false"
spec:
  ingressClassName: traefik
  rules:
    - host: octoprint.wallace.network
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: octoprint-server
                port: 
                  number: 5000