@Override
    protected void configure() {
        super.configure();

        withClasspathResourceMapping(LAUNCH_ENVOY_SCRIPT, LAUNCH_ENVOY_SCRIPT_DEST, BindMode.READ_ONLY);
        withClasspathResourceMapping(config, CONFIG_DEST, BindMode.READ_ONLY);

        if (sedCommand != null) {
            withCommand("/bin/bash", "/usr/local/bin/launch_envoy.sh",
                        sedCommand, CONFIG_DEST, "-l", "debug");
        }

        addExposedPort(ADMIN_PORT);
    }
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