config.yaml

static_resources:
  listeners:
    - name: health_check_listener
      address:
        socket_address:
          address: 0.0.0.0
          port_value: 80
      filter_chains:
        - filters:
            - name: envoy.http_connection_manager
              config:
                stat_prefix: health_check_http
                http_filters:
                  - name: envoy.health_check
                    config:
                      pass_through_mode: false
                      endpoint: /healthz