periodics:
- interval: 3h
  name: apisnoop-conformance-gate
  annotations:
    testgrid-dashboards: sig-arch-conformance
    testgrid-tab-name: apisnoop-conformance-gate
    test-grid-alert-email: kubernetes-sig-arch-conformance-test-failures@googlegroups.com
    testgrid-num-failures-to-alert: '1'
    description: 'Uses APISnoop to check that new GA endpoints are conformance tested in latest e2e test run'
  decorate: true
  spec:
    containers:
    - name: apisnoop-gate
      image: gcr.io/k8s-staging-apisnoop/snoopdb:v20200923-v2020.09.23-1-gb3afc41
      args:
      - postgres

periodics:
- interval: 3h
  name: apisnoop-conformance-gate
  annotations:
    testgrid-dashboards: sig-arch-conformance
    testgrid-tab-name: apisnoop-conformance-gate
    test-grid-alert-email: kubernetes-sig-arch-conformance-test-failures@googlegroups.com
    testgrid-num-failures-to-alert: '1'
    description: 'Uses APISnoop to check that new GA endpoints are conformance tested in latest e2e test run'
  decorate: true
  spec:
    containers:
    - name: apisnoop-gate
      image: gcr.io/k8s-staging-apisnoop/snoopdb:v20200923-v2020.09.23-1-gb3afc41
      command:
      - /usr/local/bin/docker-entrypoint.sh
      - postgres

Use command: instead of args: for apisnoop-gate entrypoint + arg
Use command: instead of args: for apisnoop-gate entrypoint + arg
