SolidQueue not auto start until manual run rake solid_queue:start

I am encountering an issue where I have deployed two applications on the same server using Kamal. The first application operates normally, but the jobs for the second application are not processed automatically. These jobs only start processing when I manually execute rake solid_queue:start. Otherwise, they remain in the solid_queue_ready_executions table indefinitely.

I suspect there might be a configuration issue or a problem with how SolidQueue handles multiple applications on the same server. Here are the steps I've taken:

Deployed both applications to the same server.
Configured SolidQueue for both applications.
Jobs in App 1 are processed as expected.
Jobs in App 2 only process after manually starting the queue with rake solid_queue:start.

I use MySQL for DB, and this is my config accessories for 2 apps

App 1:

accessories:
  mysql:
    port: "3306:3306"

App 2:

accessories:
  mysql:
    port: "3307:3306"

Could someone help diagnose this problem or provide guidance on what might be going wrong?

Thank you for your assistance.

rails / solid_queue

SolidQueue not auto start until manual run rake solid_queue:start #406