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This PR updates the Dockerfile to use the latest version of yelp/elastalert.
There were some caveats though regarding the used Python version.
yelp/elastalert is now built using Python 3(.6).
When using
alpine:latest as py-ea
, one will get Alpine:3.10, whereapk add python3
will be Python 3.7.4, which is not available in Alpine 3.9 whichnode:alpine
is based upon.That's why I'm pinning the Python version to exact
python=3.6.8-r2
which exists in both.I tested this image on our production cluster and can confirm that it works as expected.