What Are Workers in Orkes Conductor? How Your Own Code Fits Into a Workflow

Orkes Conductor uses workers to integrate custom code into workflows, allowing for tasks like image processing, machine learning, or interactions with internal systems that go beyond Conductor's built-in tasks. A worker is a standalone program running on a user's machine that performs a specific task within a workflow, communicating with Conductor via HTTP, and it must be stateless and idempotent to handle retries and multiple executions without errors. Workers poll the Conductor server to receive tasks, execute the assigned logic, and then return the results, allowing Conductor to manage workflow execution, retries, and error handling. The process of integrating a worker involves registering a task definition, starting the worker to connect with Conductor, and referencing the task in the workflow, ensuring that the task names match across all components for seamless execution. While workers can be written in various programming languages like Python, JavaScript, Go, and more, they are best used when built-in tasks are insufficient, such as when connecting to SDKs or performing complex processing, with the flexibility to run on any infrastructure that can communicate with the Conductor server.

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