Wednesday, March 18, 2015

DRAY: Docker Workflow Engine UNIX pipes for Docker

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Most common Docker use cases involve using containers for hosting long-running services. These are things like a web application, database or message queue – services that are running continuously, waiting to service requests.

Another interesting use case for Docker is to wrap short-lived, single-purpose tasks. Perhaps it's a Ruby app that needs to be execute periodically or a set of bash scripts that need to be executed in sequence. Much like the services described above, these things can be wrapped in a Docker container to provide an isolated execution environment. The only real difference is that the task containers exit when they've finished their work while the service containers run until they are explicitly stopped.

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