elasticsearch docker memory limits
elasticsearch docker memory limits

The previous docker-compose setup worked fine on my laptop at home. But on my
workstation at work (which has a lot more memory & cpu) the elasticsearch
docker container would run out of memory and exit after a few searches. Perhaps
the faster CPU is able to throw data at elasticsearch faster? Or there are other
memory defaults at play?

At any rate this change switches to using the official elasticsearch docker
image and pins the version. It hard codes the memory limits. We may need to
adjust these depending on how they work in everyone's dev environments.

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