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- Install Elasticsearch with Docker (Reference: https://www.elastic.co/guide/en/elasticsearch/reference/7.5/docker.html)
  sudo docker pull docker.elastic.co/elasticsearch/elasticsearch:7.5.2
  # Spin up an Elasticsearch cluster with 3 nodesIncrease max map count:
  sudo sysctl -w vm.max_map_count=262144

# Spin up an Elasticsearch cluster with 3 nodes:

  # Create a file docker-compose.yml with the following contents in your working directory

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  cd /usr/share/elasticsearch
  # Install plugins one after the other : 
  elasticsearch-plugin install --batch analysis-icu
  elasticsearch-plugin install --batch analysis-kuromoji
  elasticsearch-plugin install --batch analysis-smartcn
  elasticsearch-plugin install --batch analysis-nori
  elasticsearch-plugin install --batch analysis-phonetic

  exit

  # Now do the same thing inside the other two Elasticsearch containers es02  and es03.

Now restart all the 3 elasticsearch containers, otherwise the Plugins will not be enabled !! :

sudo docker restart es01
sudo docker restart es02
sudo docker restart es03

  # Note: Plugins will be re-loaded upon restart of the container, i.e. they need to be installed only once per container.

Check, if the plugins have been installed. Log in into one docker container:

sudo docker exec -it es01 sh
sh-4.2# cd plugins/
sh-4.2# ls
analysis-icu  analysis-kuromoji  analysis-nori  analysis-phonetic  analysis-smartcn
exit

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