Supervisor For Laravel Queue Scheduling

Hi in this article let's see how we can quickly set up Supervisor for Laravel Queue scheduling in Ubuntu server.

Step 1 - .env Configuration

Laravel 5.7 & above

QUEUE_CONNECTION=database

Laravel below 5.7

QUEUE_DRIVER=database

---

Step 2 - Database Table Migrations

The following command will create the jobs table to keep track of your queues.

php artisan queue:table

php artisan migrate

---

Step 3 - Your Queue Configuration In Code

You might have some code to send mail like below. Make sure to implement ShouldQueue Interface

use Illuminate\Contracts\Queue\ShouldQueue;

class UserChangedPasswordMail extends Mailable implements ShouldQueue
{
  ...
}

---

Step 4 - Testing In Development / Localhost

Run the following command to test if the queues are working or not in your localhost or development environment

php artisan queue:listen

---

Step 5 - In Production Server Using Supervisor

First, update your Ubuntu server for new package updates & then install Supervisor.

sudo apt-get update

sudo apt install supervisor

Thinking that your project is deployed in the following path in the Ubuntu server

/var/www/html/YOUR_PROJECT

Your Supervisor configurations can be created in the following path. You can create as many as configurations for single or multiple projects.

NOTE: queue-worker.conf is the name of the configuration file. You can rename it to anything. But make sure to keep the conf

cd /etc/supervisor/conf.d/

nano queue-worker.conf

Add the following code in queue-worker.conf

[program:queue-worker]
process_name=%(program_name)s_%(process_num)02d
command=php /var/www/html/YOUR_PROJECT/artisan queue:work --sleep=3 --tries=5
autostart=true
autorestart=true
user=root
numprocs=4
redirect_stderr=true
stdout_logfile=/var/log/supervisor/worker.log
stopwaitsecs=3600

Few observations to keep in mind

Make sure to add the configuration file name without .conf in the following line

[program:queue-worker]

In the following (replace YOUR_PROJECT with the name of your project)

command=php /var/www/html/YOUR_PROJECT/artisan queue:work --sleep=3 --tries=5

---

Step 6 - Restart Supervisor Configuration To Take Effect

Run the following commands to make the new configurations take to affect

#Read the new configuration file
sudo supervisorctl reread

#Update the process of supervisor to use the new configuration
sudo supervisorctl update

#Start the process queue-worker in this case make sure to replace this
sudo supervisorctl start queue-worker

#Reload the configuration to take effect
sudo supervisorctl reload

#Restart the supervisor service
sudo service supervisor restart

---

Few Handy Supervisor Commands

#Check the status of supervisorctl
sudo supervisorctl status

#Stop all supervisor processes
sudo supervisorctl stop all

#Start all supervisor processes
sudo supervisorctl start all

#Read the new configuration file
sudo supervisorctl reread

#Update the process of supervisor to use the new configuration
sudo supervisorctl update

#Start the process queue-worker in this case make sure to replace this
sudo supervisorctl start queue-worker

#Reload the configuration to take effect
sudo supervisorctl reload

#Restart the supervisor service
sudo service supervisor restart

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