A worker is a background process that helps applications for handling

heavy resource and time-intensive operations.

○ It is responsible for database clean up, report generation that helps to

remain up and running.

○ In the Worker Environment, Beanstalk installs a Daemon on each EC2

Instance in the Auto Scaling Group.

○ Daemon pulls requests from the SQS queue and executes the task

based on the message received.

○ After execution, SQS will delete the message, and in case of failure, it

will retry to send the message