Bean ordered graceful shutdown

[jonsnowseven]

Hello.

I have a Quarkus application and I want to ensure it correctly shuts down. For that, I need to ensure that my services terminate in the correct order. Take this example:

@ApplicationScoped
class EmailService {

    ...
    @Shutdown
    void shutdown() {
        // Proper graceful shutdown
        ...
    }
}

@ApplicationScoped
class CacheService {
    ...
    
    @Shutdown
    void shutdown() {
        ...
    }
}

@Path("/api")
@ApplicationScoped
class UserResource {
    @Inject
    EmailService emailService;
    
    @Inject
    CacheService cacheService;
    
    @POST
    @Path("/users")
    public Response createUser(...) {
      ....
    }
}

I would like to ensure that the EmailService gracefully shuts down first. I can have a manager class that can orchestrate the services shutdown but I was looking for something native to Quarkus.

I tried to annotate the shutdown methods with a @Priority but that did not work (at least, consistently).

Is it possible to terminate the services orderly?

Thank you in advance.