protected File export(Archive<?> archive) throws Exception {
if (archive instanceof WebArchive == false) {
throw new IllegalArgumentException("Can only handle .war deployments: " + archive);
}
Node dockerFile = archive.get("Dockerfile");
if (dockerFile == null) {
if (configuration.getFrom() == null) {
throw new IllegalArgumentException("Missing Docker's FROM value!");
}
log.info("Using Docker FROM: " + configuration.getFrom());
String content = "FROM " + configuration.getFrom() + "\n" + "ADD . /app" + "\n";
archive.add(new StringAsset(content), "Dockerfile");
}
return super.export(archive);
}
