Argo Events file event source that filters temp files

filtered-directory-watcher.yaml

apiVersion: argoproj.io/v1alpha1
kind: EventSource
metadata:
  name: file-upload-directory-watcher
  labels:
    directory: file-upload
spec:
  replicas: 1
  template:
    container:
      volumeMounts:
        - mountPath: /opt/uploads
          name: file-upload
      securityContext:
        allowPrivilegeEscalation: false
        runAsUser: 0
    volumes:
      - name: file-upload
        persistentVolumeClaim:
          claimName: file-upload
  file:
    mafi-file-upload:
      watchPathConfig:
        directory: /opt/uploads
        pathRegexp: "(^[A-Za-z0-9])"
      eventType: CREATE
      polling: true