docker run -d --name syncthing-relay \
  -p 22067:22067 \
  docker.io/syncthing/relaysrv:latest

docker run -d --name syncthing-relay \
  --restart unless-stopped \
  -p 22067:22067 -p 22070:22070 \
  -e POOL_ADDITIONAL=relay://relay.example.com:22067 \
  docker.io/syncthing/relaysrv:v1.27.0

apiVersion: apps/v1
kind: Deployment
metadata:
  name: syncthing-relay
spec:
  replicas: 2
  selector:
    matchLabels:
      app: syncthing-relay
  template:
    metadata:
      labels:
        app: syncthing-relay
    spec:
      containers:
        - name: relay
          image: docker.io/syncthing/relaysrv:v1.27.0
          ports:
            - containerPort: 22067
---
apiVersion: v1
kind: Service
metadata:
  name: syncthing-relay
spec:
  type: LoadBalancer
  selector:
    app: syncthing-relay
  ports:
    - port: 22067
      targetPort: 22067