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Update elasticsearch

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- Build our own elasticsearch image based on 6.8.6 which includes
configuration files for german decompounder from https://github.com/uschindler/german-decompounder

- move elastichq to separate service and use the official image instead of including it as plugin in the elasticsearch image

- Adjust compounder filter config in papers to use the included hyphenation_decompounder.
See https://www.elastic.co/guide/en/elasticsearch/reference/6.8/analysis-compound-word-tokenfilter.html

- Remove obsolete "string" type in the mapping of papers, and replace it
with "text" or "keywords" accordingly. See https://www.elastic.co/blog/strings-are-dead-long-live-strings
This commit is contained in:
Lars Henrik Mai 2020-01-16 11:20:03 +01:00
parent 5dad333655
commit dc3a97d3b8
5 changed files with 80 additions and 62 deletions
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8
docker/elasticsearch/Dockerfile Normal file
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FROM elasticsearch:6.8.6
RUN \
mkdir -p /usr/share/elasticsearch/config/analysis && \
pushd /usr/share/elasticsearch/config/analysis && \
curl -sSLO https://github.com/uschindler/german-decompounder/raw/master/de_DR.xml && \
curl -sSLO https://github.com/uschindler/german-decompounder/raw/master/dictionary-de.txt && \
popd