envoy.yaml

static_resources:
  listeners:
    - name: main
      address:
        socket_address:
          address: 0.0.0.0
          port_value: 18000
      filter_chains:
        - filters:
            - name: envoy.filters.network.wasm
              typed_config:
                "@type": type.googleapis.com/envoy.extensions.filters.network.wasm.v3.Wasm
                config:
                  vm_config:
                    runtime: "envoy.wasm.runtime.v8"
                    code:
                      local:
                        filename: "./bin/main.go.wasm"

            - name: envoy.tcp_proxy
              typed_config:
                "@type": type.googleapis.com/envoy.extensions.filters.network.tcp_proxy.v3.TcpProxy
                stat_prefix: ingress
                cluster: cassandra_service

  clusters:
    - name: cassandra_service
      connect_timeout: 0.25s
      type: STATIC
      lb_policy: ROUND_ROBIN
      load_assignment:
        cluster_name: cassandra_service
        endpoints:
          - lb_endpoints:
              - endpoint:
                  address:
                    socket_address:
                      address: 0.0.0.0
                      port_value: 9042

admin:
  access_log_path: "/dev/null"
  address:
    socket_address:
      address: 0.0.0.0
      port_value: 8001