The worker will be able to retrieve tasks from the SQS queue and achieve those ones.

Specifications:

• add a worker flag (--worker=true by example), if the flag is true then run the worker instead of the API
• check if ES is available
• listens to the SQS queue to retrieve tasks
• run the task
• handle task success (send acknowledge to the queue) or error (send changes on visibility timeout to ~15min to re-run the job later)
• send logs on cloudwatch groups logs (separated by task by account: ${task_name}/${account_id}