private String getAuthProperty(Properties props, LookupMode lookupMode) {
        String authProp = props.getProperty(lookupMode.asSysProperty(AuthConfig.AUTH_AUTH));
        if (authProp != null) {
            return authProp;
        }
        // Fallback is deprecated AUTH_AUTHTOKEN property
        return props.getProperty(lookupMode.asSysProperty("authToken"));
    }
Try using the AWS credentials provided via ENV variables.
See https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-envvars.html
src/main/java/io/fabric8/maven/docker/util/AuthConfigFactory.java