examples/camel-k-runtime-example-knative/src/main/resources/env.json

{
  "services": [{
      "type": "endpoint",
      "name": "from",
      "host": "0.0.0.0",
      "port": 9090,
      "metadata": {
        "camel.endpoint.kind": "source"
      }
    }
  ]
}