@Override
    protected void containerIsStarting(InspectContainerResponse containerInfo) {
        followOutput(new Slf4jLogConsumer(LOGGER).withPrefix("ENVOY"));

        super.containerIsStarting(containerInfo);
    }
A {@link GenericContainer} implementation for envoy containers.

@param sedCommand optional sed command which may be used to postprocess the provided {@param config}.
                  This parameter will be fed into the command {@code sed -e <sedCommand>}.
                  An example command may be {@code "s/foo/bar/g;s/abc/def/g"}.
examples/grpc-envoy/src/main/java/example/armeria/grpc/envoy/EnvoyContainer.java