My personal Plex instance k8s config using microk8s, metallb. Based on/customized from https://github.com/timwebster9/pihole-microk8s-demo

plex.yml

apiVersion: v1
kind: Namespace
metadata:
  name: plex
---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: plex
  name: plex
  namespace: plex
spec:
  progressDeadlineSeconds: 600
  replicas: 1
  revisionHistoryLimit: 0
  selector:
    matchLabels:
      app: plex
  strategy:
    rollingUpdate:
      maxSurge: 0
      maxUnavailable: 1
    type: RollingUpdate
  template:
    metadata:
      labels:
        app: plex
    spec:
      nodeSelector:
        kubernetes.io/hostname: akira
      containers:
      - env:
        - name: PLEX_CLAIM
          value: a-secret-goes-here
        - name: VERSION
          value: docker
        image: linuxserver/plex:latest
        imagePullPolicy: IfNotPresent
        name: plex
        ports:
        - containerPort: 32400
          name: pms-web
          protocol: TCP
        - containerPort: 32469
          name: dlna-tcp
          protocol: TCP
        - containerPort: 1900
          name: dlna-udp
          protocol: UDP
        - containerPort: 32410
          name: gdm-10
          protocol: UDP
        - containerPort: 32412
          name: gdm-12
          protocol: UDP
        - containerPort: 32413
          name: gdm-13
          protocol: UDP
        - containerPort: 32414
          name: gdm-14
          protocol: UDP
        resources: {}
        stdin: true
        tty: true
        volumeMounts:
          - mountPath: /media
            name: plex-media
          - mountPath: /config
            name: plex-config
      dnsPolicy: ClusterFirst
      restartPolicy: Always
      schedulerName: default-scheduler
      securityContext: {}
      terminationGracePeriodSeconds: 30
      volumes:
        - hostPath:
            path: /media
            type: ""
          name: plex-media
        - hostPath:
            path: /media/plex/config
            type: ""
          name: plex-config
---
kind: Service
apiVersion: v1
metadata:
  name: plex-tcp
  namespace: plex
  annotations:
    metallb.universe.tf/allow-shared-ip: plex
spec:
  selector:
    app: plex
  ports:
  - port: 32400
    targetPort: 32400
    name: pms-web
    protocol: TCP
  - port: 32469
    targetPort: 32469
    name: dlna-tcp
    protocol: TCP
  type: LoadBalancer
  loadBalancerIP: 10.0.0.10
  allocateLoadBalancerNodePorts: false
---
kind: Service
apiVersion: v1
metadata:
  name: plex-udp
  namespace: plex
  annotations:
    metallb.universe.tf/allow-shared-ip: plex
spec:
  selector:
    app: plex
  ports:
  - port: 1900
    targetPort: 1900
    name: dlna-udp
    protocol: UDP
  - port: 32410
    targetPort: 32410
    name: gdm-10
    protocol: UDP
  - port: 32412
    targetPort: 32412
    name: gdm-12
    protocol: UDP
  - port: 32413
    targetPort: 32413
    name: gdm-13
    protocol: UDP
  - port: 32414
    targetPort: 32414
    name: gdm-14
    protocol: UDP
  type: LoadBalancer
  loadBalancerIP: 10.0.0.10
  allocateLoadBalancerNodePorts: false