static_resources:
  listeners:
    - name: rustbox_http
      address:
        socket_address:
          address: 0.0.0.0
          port_value: 8080
      filter_chains:
        - filters:
            - name: envoy.filters.network.http_connection_manager
              typed_config:
                "@type": type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager
                stat_prefix: rustbox_ingress
                use_remote_address: true
                upgrade_configs:
                  - upgrade_type: websocket
                route_config:
                  name: rustbox_routes
                  virtual_hosts:
                    - name: rustbox
                      domains: ["*"]
                      response_headers_to_add:
                        - header:
                            key: X-RustBox-Backend
                            value: "%UPSTREAM_REMOTE_ADDRESS%"
                          append_action: OVERWRITE_IF_EXISTS_OR_ADD
                      routes:
                        - match:
                            prefix: "/"
                          route:
                            cluster: rustbox
                            timeout: 0s
                http_filters:
                  - name: envoy.filters.http.router
                    typed_config:
                      "@type": type.googleapis.com/envoy.extensions.filters.http.router.v3.Router

  clusters:
    - name: rustbox
      type: STRICT_DNS
      connect_timeout: 2s
      lb_policy: ROUND_ROBIN
      health_checks:
        - timeout: 2s
          interval: 5s
          unhealthy_threshold: 2
          healthy_threshold: 1
          http_health_check:
            path: /api/health
      load_assignment:
        cluster_name: rustbox
        endpoints:
          - lb_endpoints:
              - endpoint:
                  address:
                    socket_address:
                      address: rustbox-1
                      port_value: 3001
              - endpoint:
                  address:
                    socket_address:
                      address: rustbox-2
                      port_value: 3001