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DevOps for Serverless Applications by Shashikant Bangera

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OpenWhisk action logging management

Logging is pretty limited with serverless applications as there are no VMs, no OS, and no middleware packages. But we have to make the best use of what logging functionalities we do have in order to efficiently debug and resolve any issues we might have with OpenWhisk actions. The bright side is that we still have access to output logging for actions. So the only thing we have to do is it to push the files into Elasticsearch and index them for better use. We will be look at how to do this in this section.

We will be setting up ELK with Docker locally and pushing the OpenWhisk action logs into ELK. The OpenWhisk cloud has out-of-the-box ELK configuration, so we can view the aggregated logs on the portal ...

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